diff --git a/Dockerfile-Dev b/Dockerfile-Dev
index b0b07b6dfd..6bc1dc845f 100644
--- a/Dockerfile-Dev
+++ b/Dockerfile-Dev
@@ -1,18 +1,5 @@
-FROM node:10
-
-# Install global packages
-RUN npm install -g gulp-cli mocha
-
-# Clone Habitica repo and install dependencies
-RUN mkdir -p /usr/src/habitrpg
-WORKDIR /usr/src/habitrpg
-RUN git clone https://github.com/HabitRPG/habitica.git /usr/src/habitrpg
-RUN cp config.json.example config.json
-RUN npm install
-
-# Create Build dir
-RUN mkdir -p ./website/build
-
-# Start Habitica
-EXPOSE 3000
-CMD ["npm", "start"]
+FROM node:10
+WORKDIR /code
+COPY package*.json /code/
+RUN npm install
+RUN npm install -g gulp-cli mocha
diff --git a/docker-compose.dev.yml b/docker-compose.dev.yml
index c523bbcd69..ceacc2c94f 100644
--- a/docker-compose.dev.yml
+++ b/docker-compose.dev.yml
@@ -1,14 +1,45 @@
 version: "3"
 services:
-
   client:
+    build:
+      context: .
+      dockerfile: ./Dockerfile-Dev
+    command: ["npm", "run", "client:dev"]
+    depends_on:
+      - server
     environment:
-      - NODE_ENV=development
+      - BASE_URL=http://server:3000
+    image: habitica
+    networks:
+      - habitica
+    ports:
+      - "8080:8080"
     volumes:
-      - '.:/usr/src/habitrpg'
-
+      - .:/code
+      - /code/node_modules
   server:
+    build:
+      context: .
+      dockerfile: ./Dockerfile-Dev
+    command: ["npm", "start"]
+    depends_on:
+      - mongo
     environment:
-      - NODE_ENV=development
+      - NODE_DB_URI=mongodb://mongo/habitrpg
+    image: habitica
+    networks:
+      - habitica
+    ports:
+      - "3000:3000"
     volumes:
-      - '.:/usr/src/habitrpg'
+      - .:/code
+      - /code/node_modules
+  mongo:
+    image: mongo:3.4
+    networks:
+      - habitica
+    ports:
+      - "27017:27017"
+networks:
+  habitica:
+    driver: bridge
diff --git a/test/api/unit/middlewares/auth.test.js b/test/api/unit/middlewares/auth.test.js
index 25ba3d17ea..830af9be04 100644
--- a/test/api/unit/middlewares/auth.test.js
+++ b/test/api/unit/middlewares/auth.test.js
@@ -16,7 +16,7 @@ describe('auth middleware', () => {
   describe('auth with headers', () => {
     it('allows to specify a list of user field that we do not want to load', (done) => {
       const authWithHeaders = authWithHeadersFactory({
-        userFieldsToExclude: ['items', 'flags', 'auth.timestamps'],
+        userFieldsToExclude: ['items'],
       });
 
       req.headers['x-api-user'] = user._id;
@@ -27,11 +27,34 @@ describe('auth middleware', () => {
 
         const userToJSON = res.locals.user.toJSON();
         expect(userToJSON.items).to.not.exist;
-        expect(userToJSON.flags).to.not.exist;
-        expect(userToJSON.auth.timestamps).to.not.exist;
+        expect(userToJSON.auth).to.exist;
+
+        done();
+      });
+    });
+
+    it('makes sure some fields are always included', (done) => {
+      const authWithHeaders = authWithHeadersFactory({
+        userFieldsToExclude: [
+          'items', 'auth.timestamps',
+          'preferences', 'notifications', '_id', 'flags', 'auth', // these are always loaded
+        ],
+      });
+
+      req.headers['x-api-user'] = user._id;
+      req.headers['x-api-key'] = user.apiToken;
+
+      authWithHeaders(req, res, (err) => {
+        if (err) return done(err);
+
+        const userToJSON = res.locals.user.toJSON();
+        expect(userToJSON.items).to.not.exist;
+        expect(userToJSON.auth.timestamps).to.exist;
         expect(userToJSON.auth).to.exist;
         expect(userToJSON.notifications).to.exist;
         expect(userToJSON.preferences).to.exist;
+        expect(userToJSON._id).to.exist;
+        expect(userToJSON.flags).to.exist;
 
         done();
       });
diff --git a/test/api/unit/models/group.test.js b/test/api/unit/models/group.test.js
index 45a100afd7..7d120c055a 100644
--- a/test/api/unit/models/group.test.js
+++ b/test/api/unit/models/group.test.js
@@ -1,7 +1,7 @@
 import moment from 'moment';
 import { v4 as generateUUID } from 'uuid';
 import validator from 'validator';
-import { sleep } from '../../../helpers/api-unit.helper';
+import { sleep, translationCheck } from '../../../helpers/api-unit.helper';
 import {
   SPAM_MESSAGE_LIMIT,
   SPAM_MIN_EXEMPT_CONTRIB_LEVEL,
@@ -271,7 +271,16 @@ describe('Group Model', () => {
           party = await Group.findOne({_id: party._id});
 
           expect(Group.prototype.sendChat).to.be.calledOnce;
-          expect(Group.prototype.sendChat).to.be.calledWith('`Participating Member attacks Wailing Whale for 5.0 damage.` `Wailing Whale attacks party for 7.5 damage.`');
+          expect(Group.prototype.sendChat).to.be.calledWith({
+            message: '`Participating Member attacks Wailing Whale for 5.0 damage. Wailing Whale attacks party for 7.5 damage.`',
+            info: {
+              bossDamage: '7.5',
+              quest: 'whale',
+              type: 'boss_damage',
+              user: 'Participating Member',
+              userDamage: '5.0',
+            },
+          });
         });
 
         it('applies damage only to participating members of party', async () => {
@@ -344,7 +353,10 @@ describe('Group Model', () => {
           party = await Group.findOne({_id: party._id});
 
           expect(Group.prototype.sendChat).to.be.calledTwice;
-          expect(Group.prototype.sendChat).to.be.calledWith('`You defeated Wailing Whale! Questing party members receive the rewards of victory.`');
+          expect(Group.prototype.sendChat).to.be.calledWith({
+            message: '`You defeated Wailing Whale! Questing party members receive the rewards of victory.`',
+            info: { quest: 'whale', type: 'boss_defeated' },
+          });
         });
 
         it('calls finishQuest when boss has <= 0 hp', async () => {
@@ -387,7 +399,10 @@ describe('Group Model', () => {
 
             party = await Group.findOne({_id: party._id});
 
-            expect(Group.prototype.sendChat).to.be.calledWith(quest.boss.rage.effect('en'));
+            expect(Group.prototype.sendChat).to.be.calledWith({
+              message: quest.boss.rage.effect('en'),
+              info: { quest: 'trex_undead', type: 'boss_rage' },
+            });
             expect(party.quest.progress.hp).to.eql(383.5);
             expect(party.quest.progress.rage).to.eql(0);
           });
@@ -437,7 +452,10 @@ describe('Group Model', () => {
 
             party = await Group.findOne({_id: party._id});
 
-            expect(Group.prototype.sendChat).to.be.calledWith(quest.boss.rage.effect('en'));
+            expect(Group.prototype.sendChat).to.be.calledWith({
+              message: quest.boss.rage.effect('en'),
+              info: { quest: 'lostMasterclasser4', type: 'boss_rage' },
+            });
             expect(party.quest.progress.rage).to.eql(0);
 
             let drainedUser = await User.findById(participatingMember._id);
@@ -488,7 +506,15 @@ describe('Group Model', () => {
           party = await Group.findOne({_id: party._id});
 
           expect(Group.prototype.sendChat).to.be.calledOnce;
-          expect(Group.prototype.sendChat).to.be.calledWith('`Participating Member found 5 Bars of Soap.`');
+          expect(Group.prototype.sendChat).to.be.calledWith({
+            message: '`Participating Member found 5 Bars of Soap.`',
+            info: {
+              items: { soapBars: 5 },
+              quest: 'atom1',
+              type: 'user_found_items',
+              user: 'Participating Member',
+            },
+          });
         });
 
         it('sends a chat message if no progress is made', async () => {
@@ -499,7 +525,15 @@ describe('Group Model', () => {
           party = await Group.findOne({_id: party._id});
 
           expect(Group.prototype.sendChat).to.be.calledOnce;
-          expect(Group.prototype.sendChat).to.be.calledWith('`Participating Member found 0 Bars of Soap.`');
+          expect(Group.prototype.sendChat).to.be.calledWith({
+            message: '`Participating Member found 0 Bars of Soap.`',
+            info: {
+              items: { soapBars: 0 },
+              quest: 'atom1',
+              type: 'user_found_items',
+              user: 'Participating Member',
+            },
+          });
         });
 
         it('sends a chat message if no progress is made on quest with multiple items', async () => {
@@ -516,9 +550,15 @@ describe('Group Model', () => {
           party = await Group.findOne({_id: party._id});
 
           expect(Group.prototype.sendChat).to.be.calledOnce;
-          expect(Group.prototype.sendChat).to.be.calledWithMatch(/`Participating Member found/);
-          expect(Group.prototype.sendChat).to.be.calledWithMatch(/0 Blue Fins/);
-          expect(Group.prototype.sendChat).to.be.calledWithMatch(/0 Fire Coral/);
+          expect(Group.prototype.sendChat).to.be.calledWith({
+            message: '`Participating Member found 0 Fire Coral, 0 Blue Fins.`',
+            info: {
+              items: { blueFins: 0, fireCoral: 0 },
+              quest: 'dilatoryDistress1',
+              type: 'user_found_items',
+              user: 'Participating Member',
+            },
+          });
         });
 
         it('handles collection quests with multiple items', async () => {
@@ -535,8 +575,14 @@ describe('Group Model', () => {
           party = await Group.findOne({_id: party._id});
 
           expect(Group.prototype.sendChat).to.be.calledOnce;
-          expect(Group.prototype.sendChat).to.be.calledWithMatch(/`Participating Member found/);
-          expect(Group.prototype.sendChat).to.be.calledWithMatch(/\d* (Tracks|Broken Twigs)/);
+          expect(Group.prototype.sendChat).to.be.calledWithMatch({
+            message: sinon.match(/`Participating Member found/).and(sinon.match(/\d* (Tracks|Broken Twigs)/)),
+            info: {
+              quest: 'evilsanta2',
+              type: 'user_found_items',
+              user: 'Participating Member',
+            },
+          });
         });
 
         it('sends message about victory', async () => {
@@ -547,7 +593,10 @@ describe('Group Model', () => {
           party = await Group.findOne({_id: party._id});
 
           expect(Group.prototype.sendChat).to.be.calledTwice;
-          expect(Group.prototype.sendChat).to.be.calledWith('`All items found! Party has received their rewards.`');
+          expect(Group.prototype.sendChat).to.be.calledWith({
+            message: '`All items found! Party has received their rewards.`',
+            info: { type: 'all_items_found' },
+          });
         });
 
         it('calls finishQuest when all items are found', async () => {
@@ -718,6 +767,258 @@ describe('Group Model', () => {
         expect(res.t).to.not.be.called;
       });
     });
+
+    describe('translateSystemMessages', () => {
+      it('translate quest_start', async () => {
+        questLeader.preferences.language = 'en';
+        party.chat = [{
+          info: {
+            type: 'quest_start',
+            quest: 'basilist',
+          },
+        }];
+        let toJSON = await Group.toJSONCleanChat(party, questLeader);
+        translationCheck(toJSON.chat[0].text);
+      });
+
+      it('translate boss_damage', async () => {
+        questLeader.preferences.language = 'en';
+        party.chat = [{
+          info: {
+            type: 'boss_damage',
+            user: questLeader.profile.name,
+            quest: 'basilist',
+            userDamage: 15.3,
+            bossDamage: 3.7,
+          },
+        }];
+        let toJSON = await Group.toJSONCleanChat(party, questLeader);
+        translationCheck(toJSON.chat[0].text);
+      });
+
+      it('translate boss_dont_attack', async () => {
+        questLeader.preferences.language = 'en';
+        party.chat = [{
+          info: {
+            type: 'boss_dont_attack',
+            user: questLeader.profile.name,
+            quest: 'basilist',
+            userDamage: 15.3,
+          },
+        }];
+        let toJSON = await Group.toJSONCleanChat(party, questLeader);
+        translationCheck(toJSON.chat[0].text);
+      });
+
+      it('translate boss_rage', async () => {
+        questLeader.preferences.language = 'en';
+        party.chat = [{
+          info: {
+            type: 'boss_rage',
+            quest: 'lostMasterclasser3',
+          },
+        }];
+        let toJSON = await Group.toJSONCleanChat(party, questLeader);
+        translationCheck(toJSON.chat[0].text);
+      });
+
+      it('translate boss_defeated', async () => {
+        questLeader.preferences.language = 'en';
+        party.chat = [{
+          info: {
+            type: 'boss_defeated',
+            quest: 'lostMasterclasser3',
+          },
+        }];
+        let toJSON = await Group.toJSONCleanChat(party, questLeader);
+        translationCheck(toJSON.chat[0].text);
+      });
+
+      it('translate user_found_items', async () => {
+        questLeader.preferences.language = 'en';
+        party.chat = [{
+          info: {
+            type: 'user_found_items',
+            user: questLeader.profile.name,
+            quest: 'lostMasterclasser1',
+            items: {
+              ancientTome: 3,
+              forbiddenTome: 2,
+              hiddenTome: 1,
+            },
+          },
+        }];
+        let toJSON = await Group.toJSONCleanChat(party, questLeader);
+        translationCheck(toJSON.chat[0].text);
+      });
+
+      it('translate all_items_found', async () => {
+        questLeader.preferences.language = 'en';
+        party.chat = [{
+          info: {
+            type: 'all_items_found',
+          },
+        }];
+        let toJSON = await Group.toJSONCleanChat(party, questLeader);
+        translationCheck(toJSON.chat[0].text);
+      });
+
+      it('translate spell_cast_party', async () => {
+        questLeader.preferences.language = 'en';
+        party.chat = [{
+          info: {
+            type: 'spell_cast_party',
+            user: questLeader.profile.name,
+            class: 'wizard',
+            spell: 'earth',
+          },
+        }];
+        let toJSON = await Group.toJSONCleanChat(party, questLeader);
+        translationCheck(toJSON.chat[0].text);
+      });
+
+      it('translate spell_cast_user', async () => {
+        questLeader.preferences.language = 'en';
+        party.chat = [{
+          info: {
+            type: 'spell_cast_user',
+            user: questLeader.profile.name,
+            class: 'special',
+            spell: 'snowball',
+            target: participatingMember.profile.name,
+          },
+        }];
+        let toJSON = await Group.toJSONCleanChat(party, questLeader);
+        translationCheck(toJSON.chat[0].text);
+      });
+
+      it('translate quest_cancel', async () => {
+        questLeader.preferences.language = 'en';
+        party.chat = [{
+          info: {
+            type: 'quest_cancel',
+            user: questLeader.profile.name,
+            quest: 'basilist',
+          },
+        }];
+        let toJSON = await Group.toJSONCleanChat(party, questLeader);
+        translationCheck(toJSON.chat[0].text);
+      });
+
+      it('translate quest_abort', async () => {
+        questLeader.preferences.language = 'en';
+        party.chat = [{
+          info: {
+            type: 'quest_abort',
+            user: questLeader.profile.name,
+            quest: 'basilist',
+          },
+        }];
+        let toJSON = await Group.toJSONCleanChat(party, questLeader);
+        translationCheck(toJSON.chat[0].text);
+      });
+
+      it('translate tavern_quest_completed', async () => {
+        questLeader.preferences.language = 'en';
+        party.chat = [{
+          info: {
+            type: 'tavern_quest_completed',
+            quest: 'stressbeast',
+          },
+        }];
+        let toJSON = await Group.toJSONCleanChat(party, questLeader);
+        translationCheck(toJSON.chat[0].text);
+      });
+
+      it('translate tavern_boss_rage_tired', async () => {
+        questLeader.preferences.language = 'en';
+        party.chat = [{
+          info: {
+            type: 'tavern_boss_rage_tired',
+            quest: 'stressbeast',
+          },
+        }];
+        let toJSON = await Group.toJSONCleanChat(party, questLeader);
+        translationCheck(toJSON.chat[0].text);
+      });
+
+      it('translate tavern_boss_rage', async () => {
+        questLeader.preferences.language = 'en';
+        party.chat = [{
+          info: {
+            type: 'tavern_boss_rage',
+            quest: 'dysheartener',
+            scene: 'market',
+          },
+        }];
+        let toJSON = await Group.toJSONCleanChat(party, questLeader);
+        translationCheck(toJSON.chat[0].text);
+      });
+
+      it('translate tavern_boss_desperation', async () => {
+        questLeader.preferences.language = 'en';
+        party.chat = [{
+          info: {
+            type: 'tavern_boss_desperation',
+            quest: 'stressbeast',
+          },
+        }];
+        let toJSON = await Group.toJSONCleanChat(party, questLeader);
+        translationCheck(toJSON.chat[0].text);
+      });
+
+      it('translate claim_task', async () => {
+        questLeader.preferences.language = 'en';
+        party.chat = [{
+          info: {
+            type: 'claim_task',
+            user: questLeader.profile.name,
+            task: 'Feed the pet',
+          },
+        }];
+        let toJSON = await Group.toJSONCleanChat(party, questLeader);
+        translationCheck(toJSON.chat[0].text);
+      });
+    });
+
+    describe('toJSONCleanChat', () => {
+      it('shows messages with 1 flag to non-admins', async () => {
+        party.chat = [{
+          flagCount: 1,
+          info: {
+            type: 'quest_start',
+            quest: 'basilist',
+          },
+        }];
+        let toJSON = await Group.toJSONCleanChat(party, questLeader);
+        expect(toJSON.chat.length).to.equal(1);
+      });
+
+      it('shows messages with >= 2 flag to admins', async () => {
+        party.chat = [{
+          flagCount: 3,
+          info: {
+            type: 'quest_start',
+            quest: 'basilist',
+          },
+        }];
+        const admin = new User({'contributor.admin': true});
+        let toJSON = await Group.toJSONCleanChat(party, admin);
+        expect(toJSON.chat.length).to.equal(1);
+      });
+
+      it('doesn\'t show flagged messages to non-admins', async () => {
+        party.chat = [{
+          flagCount: 3,
+          info: {
+            type: 'quest_start',
+            quest: 'basilist',
+          },
+        }];
+        let toJSON = await Group.toJSONCleanChat(party, questLeader);
+        expect(toJSON.chat.length).to.equal(0);
+      });
+    });
   });
 
   context('Instance Methods', () => {
@@ -1007,20 +1308,22 @@ describe('Group Model', () => {
       });
 
       it('formats message', () => {
-        const chatMessage = party.sendChat('a new message', {
-          _id: 'user-id',
-          profile: { name: 'user name' },
-          contributor: {
-            toObject () {
-              return 'contributor object';
+        const chatMessage = party.sendChat({
+          message: 'a new message', user: {
+            _id: 'user-id',
+            profile: { name: 'user name' },
+            contributor: {
+              toObject () {
+                return 'contributor object';
+              },
             },
-          },
-          backer: {
-            toObject () {
-              return 'backer object';
+            backer: {
+              toObject () {
+                return 'backer object';
+              },
             },
-          },
-        });
+          }}
+        );
 
         const chat = chatMessage;
 
@@ -1037,7 +1340,7 @@ describe('Group Model', () => {
       });
 
       it('formats message as system if no user is passed in', () => {
-        const chat = party.sendChat('a system message');
+        const chat = party.sendChat({message: 'a system message'});
 
         expect(chat.text).to.eql('a system message');
         expect(validator.isUUID(chat.id)).to.eql(true);
@@ -1052,7 +1355,7 @@ describe('Group Model', () => {
       });
 
       it('updates users about new messages in party', () => {
-        party.sendChat('message');
+        party.sendChat({message: 'message'});
 
         expect(User.update).to.be.calledOnce;
         expect(User.update).to.be.calledWithMatch({
@@ -1066,7 +1369,7 @@ describe('Group Model', () => {
           type: 'guild',
         });
 
-        group.sendChat('message');
+        group.sendChat({message: 'message'});
 
         expect(User.update).to.be.calledOnce;
         expect(User.update).to.be.calledWithMatch({
@@ -1076,7 +1379,7 @@ describe('Group Model', () => {
       });
 
       it('does not send update to user that sent the message', () => {
-        party.sendChat('message', {_id: 'user-id', profile: { name: 'user' }});
+        party.sendChat({message: 'message', user: {_id: 'user-id', profile: { name: 'user' }}});
 
         expect(User.update).to.be.calledOnce;
         expect(User.update).to.be.calledWithMatch({
@@ -1088,7 +1391,7 @@ describe('Group Model', () => {
       it('skips sending new message notification for guilds with > 5000 members', () => {
         party.memberCount = 5001;
 
-        party.sendChat('message');
+        party.sendChat({message: 'message'});
 
         expect(User.update).to.not.be.called;
       });
@@ -1096,7 +1399,7 @@ describe('Group Model', () => {
       it('skips sending messages to the tavern', () => {
         party._id = TAVERN_ID;
 
-        party.sendChat('message');
+        party.sendChat({message: 'message'});
 
         expect(User.update).to.not.be.called;
       });
@@ -1928,7 +2231,7 @@ describe('Group Model', () => {
 
         await guild.save();
 
-        const groupMessage = guild.sendChat('Test message.');
+        const groupMessage = guild.sendChat({message: 'Test message.'});
         await groupMessage.save();
 
         await sleep();
diff --git a/test/api/v3/integration/groups/POST-groups.test.js b/test/api/v3/integration/groups/POST-groups.test.js
index 9eeb6d0589..5fd322a564 100644
--- a/test/api/v3/integration/groups/POST-groups.test.js
+++ b/test/api/v3/integration/groups/POST-groups.test.js
@@ -149,7 +149,7 @@ describe('POST /group', () => {
         ).to.eventually.be.rejected.and.eql({
           code: 401,
           error: 'NotAuthorized',
-          message: t('cannotCreatePublicGuildWhenMuted'),
+          message: t('chatPrivilegesRevoked'),
         });
       });
     });
diff --git a/test/api/v3/integration/groups/POST-groups_invite.test.js b/test/api/v3/integration/groups/POST-groups_invite.test.js
index f5069b3875..2a648e2bb3 100644
--- a/test/api/v3/integration/groups/POST-groups_invite.test.js
+++ b/test/api/v3/integration/groups/POST-groups_invite.test.js
@@ -100,7 +100,7 @@ describe('Post /groups/:groupId/invite', () => {
         .to.eventually.be.rejected.and.eql({
           code: 401,
           error: 'NotAuthorized',
-          message: t('cannotInviteWhenMuted'),
+          message: t('chatPrivilegesRevoked'),
         });
     });
 
@@ -262,7 +262,7 @@ describe('Post /groups/:groupId/invite', () => {
         .to.eventually.be.rejected.and.eql({
           code: 401,
           error: 'NotAuthorized',
-          message: t('cannotInviteWhenMuted'),
+          message: t('chatPrivilegesRevoked'),
         });
     });
 
@@ -436,7 +436,7 @@ describe('Post /groups/:groupId/invite', () => {
         .to.eventually.be.rejected.and.eql({
           code: 401,
           error: 'NotAuthorized',
-          message: t('cannotInviteWhenMuted'),
+          message: t('chatPrivilegesRevoked'),
         });
     });
 
@@ -526,7 +526,7 @@ describe('Post /groups/:groupId/invite', () => {
         .to.eventually.be.rejected.and.eql({
           code: 401,
           error: 'NotAuthorized',
-          message: t('cannotInviteWhenMuted'),
+          message: t('chatPrivilegesRevoked'),
         });
     });
 
diff --git a/test/api/v3/integration/quests/POST-groups_groupid_quests_abort.test.js b/test/api/v3/integration/quests/POST-groups_groupid_quests_abort.test.js
index 834be404b6..bbfb871a63 100644
--- a/test/api/v3/integration/quests/POST-groups_groupid_quests_abort.test.js
+++ b/test/api/v3/integration/quests/POST-groups_groupid_quests_abort.test.js
@@ -127,7 +127,13 @@ describe('POST /groups/:groupId/quests/abort', () => {
       members: {},
     });
     expect(Group.prototype.sendChat).to.be.calledOnce;
-    expect(Group.prototype.sendChat).to.be.calledWithMatch(/aborted the party quest Wail of the Whale.`/);
+    expect(Group.prototype.sendChat).to.be.calledWithMatch({
+      message: sinon.match(/aborted the party quest Wail of the Whale.`/),
+      info: {
+        quest: 'whale',
+        type: 'quest_abort',
+      },
+    });
 
     stub.restore();
   });
diff --git a/test/api/v3/integration/quests/POST-groups_groupid_quests_cancel.test.js b/test/api/v3/integration/quests/POST-groups_groupid_quests_cancel.test.js
index a8095a3cee..4032c36306 100644
--- a/test/api/v3/integration/quests/POST-groups_groupid_quests_cancel.test.js
+++ b/test/api/v3/integration/quests/POST-groups_groupid_quests_cancel.test.js
@@ -141,7 +141,14 @@ describe('POST /groups/:groupId/quests/cancel', () => {
       members: {},
     });
     expect(Group.prototype.sendChat).to.be.calledOnce;
-    expect(Group.prototype.sendChat).to.be.calledWithMatch(/cancelled the party quest Wail of the Whale.`/);
+    expect(Group.prototype.sendChat).to.be.calledWithMatch({
+      message: sinon.match(/cancelled the party quest Wail of the Whale.`/),
+      info: {
+        quest: 'whale',
+        type: 'quest_cancel',
+        user: sinon.match.any,
+      },
+    });
 
     stub.restore();
   });
diff --git a/test/helpers/api-unit.helper.js b/test/helpers/api-unit.helper.js
index 9b8d13d420..b43389bf21 100644
--- a/test/helpers/api-unit.helper.js
+++ b/test/helpers/api-unit.helper.js
@@ -8,6 +8,7 @@ import mongo from './mongo'; // eslint-disable-line
 import moment from 'moment';
 import i18n from '../../website/common/script/i18n';
 import * as Tasks from '../../website/server/models/task';
+export { translationCheck } from './translate';
 
 afterEach((done) => {
   sandbox.restore();
diff --git a/test/helpers/translate.js b/test/helpers/translate.js
index e146c27a71..c12e97c147 100644
--- a/test/helpers/translate.js
+++ b/test/helpers/translate.js
@@ -16,3 +16,9 @@ export function translate (key, variables, language) {
 
   return translatedString;
 }
+
+export function translationCheck (translatedString) {
+  expect(translatedString).to.not.be.empty;
+  expect(translatedString).to.not.eql(STRING_ERROR_MSG);
+  expect(translatedString).to.not.match(STRING_DOES_NOT_EXIST_MSG);
+}
diff --git a/website/client/components/groups/questSidebarSection.vue b/website/client/components/groups/questSidebarSection.vue
index 8c09ee5c94..66ed19ae56 100644
--- a/website/client/components/groups/questSidebarSection.vue
+++ b/website/client/components/groups/questSidebarSection.vue
@@ -35,7 +35,7 @@ sidebar-section(:title="$t('questDetailsTitle')")
               .grey-progress-bar
                 .collect-progress-bar(:style="{width: (group.quest.progress.collect[key] / value.count) * 100 + '%'}")
               strong {{group.quest.progress.collect[key]}} / {{value.count}}
-          div.text-right {{parseFloat(user.party.quest.progress.collectedItems) || 0}} items found
+          div.text-right(v-if='userIsOnQuest') {{parseFloat(user.party.quest.progress.collectedItems) || 0}} items found
         .boss-info(v-if='questData.boss')
           .row
             .col-6
diff --git a/website/client/components/header/menu.vue b/website/client/components/header/menu.vue
index 169a599a36..336cbd6f71 100644
--- a/website/client/components/header/menu.vue
+++ b/website/client/components/header/menu.vue
@@ -6,12 +6,12 @@ div
   report-flag-modal
   send-gems-modal
   b-navbar.topbar.navbar-inverse.static-top(toggleable="lg", type="dark", :class="navbarZIndexClass")
-    b-navbar-brand.brand
+    b-navbar-brand.brand(aria-label="Habitica")
       .logo.svg-icon.d-none.d-xl-block(v-html="icons.logo")
       .svg-icon.gryphon.d-xs-block.d-xl-none
     b-navbar-toggle(target='menu_collapse').menu-toggle
     .quick-menu.mobile-only.form-inline
-      a.item-with-icon(@click="sync", v-b-tooltip.hover.bottom="$t('sync')")
+      a.item-with-icon(@click="sync", v-b-tooltip.hover.bottom="$t('sync')", :aria-label="$t('sync')")
         .top-menu-icon.svg-icon(v-html="icons.sync")
       notification-menu.item-with-icon
       user-dropdown.item-with-icon
@@ -64,13 +64,13 @@ div
           .top-menu-icon.svg-icon(v-html="icons.hourglasses", v-b-tooltip.hover.bottom="$t('mysticHourglassesTooltip')")
           span {{ userHourglasses }}
         .item-with-icon
-          .top-menu-icon.svg-icon.gem(v-html="icons.gem", @click='showBuyGemsModal("gems")', v-b-tooltip.hover.bottom="$t('gems')")
+          a.top-menu-icon.svg-icon.gem(:aria-label="$t('gems')", href="#buy-gems" v-html="icons.gem", @click.prevent='showBuyGemsModal("gems")', v-b-tooltip.hover.bottom="$t('gems')")
           span {{userGems}}
         .item-with-icon.gold
-          .top-menu-icon.svg-icon(v-html="icons.gold", v-b-tooltip.hover.bottom="$t('gold')")
+          .top-menu-icon.svg-icon(:aria-label="$t('gold')", v-html="icons.gold", v-b-tooltip.hover.bottom="$t('gold')")
           span {{Math.floor(user.stats.gp * 100) / 100}}
       .form-inline.desktop-only
-        a.item-with-icon(@click="sync", v-b-tooltip.hover.bottom="$t('sync')")
+        a.item-with-icon(@click="sync", @keyup.enter="sync", role="link", :aria-label="$t('sync')", tabindex="0", v-b-tooltip.hover.bottom="$t('sync')")
           .top-menu-icon.svg-icon(v-html="icons.sync")
         notification-menu.item-with-icon
         user-dropdown.item-with-icon
@@ -290,6 +290,7 @@ div
       margin-right: 24px;
     }
 
+    &:focus /deep/ .top-menu-icon.svg-icon,
     &:hover /deep/ .top-menu-icon.svg-icon {
       color: $white;
     }
diff --git a/website/client/components/header/notificationsDropdown.vue b/website/client/components/header/notificationsDropdown.vue
index 48f7bba6e7..6fce4cc0cf 100644
--- a/website/client/components/header/notificationsDropdown.vue
+++ b/website/client/components/header/notificationsDropdown.vue
@@ -1,7 +1,7 @@
 <template lang="pug">
 menu-dropdown.item-notifications(:right="true", @toggled="handleOpenStatusChange", :openStatus="openStatus")
   div(slot="dropdown-toggle")
-    div(v-b-tooltip.hover.bottom="$t('notifications')")
+    div(:aria-label="$t('notifications')", v-b-tooltip.hover.bottom="$t('notifications')")
       message-count(
         v-if='notificationsCount > 0',
         :count="notificationsCount",
diff --git a/website/client/components/header/userDropdown.vue b/website/client/components/header/userDropdown.vue
index 1c134fcbf2..e2a25d9951 100644
--- a/website/client/components/header/userDropdown.vue
+++ b/website/client/components/header/userDropdown.vue
@@ -1,7 +1,7 @@
 <template lang="pug">
 menu-dropdown.item-user(:right="true")
   div(slot="dropdown-toggle")
-    div(v-b-tooltip.hover.bottom="$t('user')")
+    div(:aria-label="$t('user')", v-b-tooltip.hover.bottom="$t('user')")
       message-count(v-if='user.inbox.newMessages > 0', :count="user.inbox.newMessages", :top="true")
       .top-menu-icon.svg-icon.user(v-html="icons.user")
   .user-dropdown(slot="dropdown-content")
diff --git a/website/client/components/ui/customMenuDropdown.vue b/website/client/components/ui/customMenuDropdown.vue
index ddbf549e59..2671c3ecca 100644
--- a/website/client/components/ui/customMenuDropdown.vue
+++ b/website/client/components/ui/customMenuDropdown.vue
@@ -3,7 +3,7 @@ A simplified dropdown component that doesn't rely on buttons as toggles  like bo
 -->
 
 <template lang="pug">
-.habitica-menu-dropdown.dropdown(@click="toggleDropdown()", :class="{open: isOpen}")
+.habitica-menu-dropdown.dropdown(@click="toggleDropdown()", @keypress.enter.space.stop.prevent="toggleDropdown()", role="button", tabindex="0", :class="{open: isOpen}", :aria-pressed="isPressed")
   .habitica-menu-dropdown-toggle
     slot(name="dropdown-toggle")
   .dropdown-menu(:class="{'dropdown-menu-right': right}")
@@ -12,10 +12,16 @@ A simplified dropdown component that doesn't rely on buttons as toggles  like bo
 
 <style lang="scss">
 @import '~client/assets/scss/colors.scss';
+.habitica-menu-dropdown {
+  &:hover,
+  &:focus { // NB focus styles match the hover styles for .svg-icon
+    outline: none;
+  }
 
-.habitica-menu-dropdown.open {
-  .habitica-menu-dropdown-toggle .svg-icon {
-    color: $white !important;
+  &.open {
+    .habitica-menu-dropdown-toggle .svg-icon {
+      color: $white !important;
+    }
   }
 }
 </style>
@@ -66,6 +72,9 @@ export default {
       if (this.openStatus !== undefined) return this.openStatus === 1 ? true : false;
       return this.isDropdownOpen;
     },
+    isPressed () {
+      return this.isOpen ? 'true' : 'false';
+    },
   },
   mounted () {
     document.documentElement.addEventListener('click', this._clickOutListener);
diff --git a/website/client/components/userMenu/inbox.vue b/website/client/components/userMenu/inbox.vue
index a567cd0206..4723200954 100644
--- a/website/client/components/userMenu/inbox.vue
+++ b/website/client/components/userMenu/inbox.vue
@@ -400,7 +400,7 @@ export default {
       if (this.user.flags.chatRevoked) {
         return {
           title: this.$t('PMPlaceholderTitleRevoked'),
-          description: this.$t('PMPlaceholderDescriptionRevoked'),
+          description: this.$t('chatPrivilegesRevoked'),
         };
       }
       return {
diff --git a/website/client/directives/markdown.js b/website/client/directives/markdown.js
index 98c174f431..bc2cd0a458 100644
--- a/website/client/directives/markdown.js
+++ b/website/client/directives/markdown.js
@@ -5,6 +5,9 @@ export default function markdown (el, {value, oldValue}) {
 
   if (value) {
     el.innerHTML = habiticaMarkdown.render(String(value));
+  } else {
+    el.innerHTML = '';
   }
+
   el.classList.add('markdown');
 }
\ No newline at end of file
diff --git a/website/common/locales/README.md b/website/common/locales/README.md
index 103bc244b0..3f25e8a20a 100644
--- a/website/common/locales/README.md
+++ b/website/common/locales/README.md
@@ -1,15 +1,14 @@
-HabitRPG's translations are managed on [Transifex](https://www.transifex.com/projects/p/habitrpg/).
+HabitRPG's translations are managed at http://translate.habitica.com/
 
-The files in this folder are automatically pulled from Transifex, with
+The files in this folder are automatically pulled from there, with
 exception of the original American-English strings which are managed
 directly through GitHub in `locales/en`.
 
 When you need to change any text, edit only the files in `locales/en`.
 Do not edit files in any other locales directory. You do not need to
 request that your changes be translated; changes are automatically
-copied to Transifex on a regular basis.
+copied to the translation website on a regular basis.
 
 If you want to help with translations, please first read [Guidance for
 Linguists](http://habitica.fandom.com/wiki/Guidance_for_Linguists) and
-note especially its information about the [Translations Trello
-card](https://trello.com/c/SvTsLdRF/12-translations).
+note especially its information about the [Translations Trello card](https://trello.com/c/SvTsLdRF/12-translations).
diff --git a/website/common/locales/en/character.json b/website/common/locales/en/character.json
index 518e2a4d18..79a845437a 100644
--- a/website/common/locales/en/character.json
+++ b/website/common/locales/en/character.json
@@ -175,6 +175,8 @@
   "youCast": "You cast <%= spell %>.",
   "youCastTarget": "You cast <%= spell %> on <%= target %>.",
   "youCastParty": "You cast <%= spell %> for the party.",
+  "chatCastSpellParty": "<%= username %> casts <%= spell %> for the party.",
+  "chatCastSpellUser": "<%= username %> casts <%= spell %> on <%= target %>.",
   "critBonus": "Critical Hit! Bonus: ",
   "gainedGold": "You gained some Gold",
   "gainedMana": "You gained some Mana",
diff --git a/website/common/locales/en/front.json b/website/common/locales/en/front.json
index 06ead889ae..0d547cedd8 100644
--- a/website/common/locales/en/front.json
+++ b/website/common/locales/en/front.json
@@ -267,7 +267,7 @@
   "missingNewPassword": "Missing new password.",
   "invalidEmailDomain": "You cannot register with emails with the following domains: <%= domains %>",
   "wrongPassword": "Wrong password.",
-  "incorrectDeletePhrase": "Please type <%= magicWord %> in all caps to delete your account.",
+  "incorrectDeletePhrase": "Please type <%= magicWord %> in all capital letters to delete your account.",
   "notAnEmail": "Invalid email address.",
   "emailTaken": "Email address is already used in an account.",
   "newEmailRequired": "Missing new email address.",
@@ -283,7 +283,7 @@
   "passwordResetEmailHtml": "If you requested a password reset for <strong><%= username %></strong> on Habitica, <a href=\"<%= passwordResetLink %>\">click here</a> to set a new one. The link will expire after 24 hours.<br/><br>If you haven't requested a password reset, please ignore this email.",
   "invalidLoginCredentialsLong": "Uh-oh - your email address / username or password is incorrect.\n- Make sure they are typed correctly. Your username and password are case-sensitive.\n- You may have signed up with Facebook or Google-sign-in, not email so double-check by trying them.\n- If you forgot your password, click \"Forgot Password\".",
   "invalidCredentials": "There is no account that uses those credentials.",
-  "accountSuspended": "This account, User ID \"<%= userId %>\", has been blocked for breaking the [Community Guidelines](https://habitica.com/static/community-guidelines) or [Terms of Service](https://habitica.com/static/terms). For details or to ask to be unblocked, please email our Community Manager at <%= communityManagerEmail %> or ask your parent or guardian to email them. Please copy your User ID into the email and include your username.",
+  "accountSuspended": "This account, User ID \"<%= userId %>\", has been blocked for breaking the Community Guidelines (https://habitica.com/static/community-guidelines) or Terms of Service (https://habitica.com/static/terms). For details or to ask to be unblocked, please email our Community Manager at <%= communityManagerEmail %> or ask your parent or guardian to email them. Please include your @Username in the email.",
   "accountSuspendedTitle": "Account has been suspended",
   "unsupportedNetwork": "This network is not currently supported.",
   "cantDetachSocial": "Account lacks another authentication method; can't detach this authentication method.",
diff --git a/website/common/locales/en/groups.json b/website/common/locales/en/groups.json
index 7dcd94385f..cc06205b10 100644
--- a/website/common/locales/en/groups.json
+++ b/website/common/locales/en/groups.json
@@ -137,7 +137,6 @@
   "PMPlaceholderTitle": "Nothing Here Yet",
   "PMPlaceholderDescription": "Select a conversation on the left",
   "PMPlaceholderTitleRevoked": "Your chat privileges have been revoked",
-  "PMPlaceholderDescriptionRevoked": "You are not able to send private messages because your chat privileges have been revoked. If you have questions or concerns about this, please email <a href=\"mailto:admin@habitica.com\">admin@habitica.com</a> to discuss it with the staff.",
   "PMReceive": "Receive Private Messages",
   "PMEnabledOptPopoverText": "Private Messages are enabled. Users can contact you via your profile.",
   "PMDisabledOptPopoverText": "Private Messages are disabled. Enable this option to allow users to contact you via your profile.",
@@ -266,9 +265,7 @@
   "userRequestsApproval": "<%= userName %> requests approval",
   "userCountRequestsApproval": "<%= userCount %> members request approval",
   "youAreRequestingApproval": "You are requesting approval",
-  "chatPrivilegesRevoked": "You cannot do that because your chat privileges have been revoked.",
-  "cannotCreatePublicGuildWhenMuted": "You cannot create a public guild because your chat privileges have been revoked.",
-  "cannotInviteWhenMuted": "You cannot invite anyone to a guild or party because your chat privileges have been revoked.",
+  "chatPrivilegesRevoked": "You cannot do this because your chat privileges have been removed. For details or to ask if your privileges can be returned, please email our Community Manager at admin@habitica.com or ask your parent or guardian to email them. Please include your @Username in the email. If a moderator has already told you that your chat ban is temporary, you do not need to send an email.",
   "newChatMessagePlainNotification": "New message in <%= groupName %> by <%= authorName %>. Click here to open the chat page!",
   "newChatMessageTitle": "New message in <%= groupName %>",
   "exportInbox": "Export Messages",
diff --git a/website/common/locales/en/messages.json b/website/common/locales/en/messages.json
index b1aa99d069..8b3428aebf 100644
--- a/website/common/locales/en/messages.json
+++ b/website/common/locales/en/messages.json
@@ -56,7 +56,7 @@
   "messageGroupChatFlagAlreadyReported": "You have already reported this message",
   "messageGroupChatNotFound": "Message not found!",
   "messageGroupChatAdminClearFlagCount": "Only an admin can clear the flag count!",
-  "messageCannotFlagSystemMessages": "You cannot flag a system message. If you need to report a violation of the Community Guidelines related to this message, please email a screenshot and explanation to Lemoness at <%= communityManagerEmail %>.",
+  "messageCannotFlagSystemMessages": "You cannot report a system message. If you need to report a violation of the Community Guidelines related to this message, please email a screenshot and explanation to our Community Manager at <%= communityManagerEmail %>.",
   "messageGroupChatSpam": "Whoops, looks like you're posting too many messages! Please wait a minute and try again. The Tavern chat only holds 200 messages at a time, so Habitica encourages posting longer, more thoughtful messages and consolidating replies. Can't wait to hear what you have to say. :)",
   "messageCannotLeaveWhileQuesting": "You cannot accept this party invitation while you are in a quest. If you'd like to join this party, you must first abort your quest, which you can do from your party screen. You will be given back the quest scroll.",
 
diff --git a/website/common/locales/en/quests.json b/website/common/locales/en/quests.json
index 84471c052e..4103252374 100644
--- a/website/common/locales/en/quests.json
+++ b/website/common/locales/en/quests.json
@@ -127,5 +127,14 @@
   "bossHealth": "<%= currentHealth %> / <%= maxHealth %> Health",
   "rageAttack": "Rage Attack:",
   "bossRage": "<%= currentRage %> / <%= maxRage %> Rage",
-  "rageStrikes": "Rage Strikes"
+  "rageStrikes": "Rage Strikes",
+  "chatQuestStarted": "Your quest, <%= questName %>, has started.",
+  "chatBossDamage": "<%= username %> attacks <%= bossName %> for <%= userDamage %> damage. <%= bossName %> attacks party for <%= bossDamage %> damage.",
+  "chatBossDontAttack": "<%= username %> attacks <%= bossName %> for <%= userDamage %> damage. <%= bossName %> does not attack, because it respects the fact that there are some bugs post-maintenance, and it doesn't want to hurt anyone unfairly. It will continue its rampage soon!",
+  "chatBossDefeated": "You defeated <%= bossName %>! Questing party members receive the rewards of victory.",
+  "chatFindItems": "<%= username %> found <%= items %>.",
+  "chatItemQuestFinish": "All items found! Party has received their rewards.",
+  "chatQuestAborted": "<%= username %> aborted the party quest <%= questName %>.",
+  "chatQuestCancelled": "<%= username %> cancelled the party quest <%= questName %>.",
+  "tavernBossTired": "<%= bossName %> tries to unleash <%= rageName %> but is too tired."
 }
diff --git a/website/server/controllers/api-v3/challenges.js b/website/server/controllers/api-v3/challenges.js
index a60f9502b7..214f3baf78 100644
--- a/website/server/controllers/api-v3/challenges.js
+++ b/website/server/controllers/api-v3/challenges.js
@@ -442,7 +442,8 @@ api.getGroupChallenges = {
   method: 'GET',
   url: '/challenges/groups/:groupId',
   middlewares: [authWithHeaders({
-    userFieldsToInclude: ['_id', 'party', 'guilds'],
+    // Some fields (including _id) are always loaded (see middlewares/auth)
+    userFieldsToInclude: ['party', 'guilds'], // Some fields are always loaded (see middlewares/auth)
   })],
   async handler (req, res) {
     let user = res.locals.user;
diff --git a/website/server/controllers/api-v3/chat.js b/website/server/controllers/api-v3/chat.js
index 84703ac0da..c2d6c787bc 100644
--- a/website/server/controllers/api-v3/chat.js
+++ b/website/server/controllers/api-v3/chat.js
@@ -186,7 +186,7 @@ api.postChat = {
     if (client) {
       client = client.replace('habitica-', '');
     }
-    const newChatMessage = group.sendChat(req.body.message, user, null, client);
+    const newChatMessage = group.sendChat({message: req.body.message, user, metaData: null, client});
     let toSave = [newChatMessage.save()];
 
     if (group.type === 'party') {
diff --git a/website/server/controllers/api-v3/groups.js b/website/server/controllers/api-v3/groups.js
index eed4aff4cb..e214bda27b 100644
--- a/website/server/controllers/api-v3/groups.js
+++ b/website/server/controllers/api-v3/groups.js
@@ -82,7 +82,7 @@ let api = {};
  * @apiError (401) {NotAuthorized} messageInsufficientGems User does not have enough gems (4)
  * @apiError (401) {NotAuthorized} partyMustbePrivate Party must have privacy set to private
  * @apiError (401) {NotAuthorized} messageGroupAlreadyInParty
- * @apiError (401) {NotAuthorized} cannotCreatePublicGuildWhenMuted You cannot create a public guild because your chat privileges have been revoked.
+ * @apiError (401) {NotAuthorized} chatPrivilegesRevoked You cannot do this because your chat privileges have been removed...
  *
  * @apiSuccess (201) {Object} data The created group (See <a href="https://github.com/HabitRPG/habitica/blob/develop/website/server/models/group.js" target="_blank">/website/server/models/group.js</a>)
  *
@@ -117,7 +117,7 @@ api.createGroup = {
     group.leader = user._id;
 
     if (group.type === 'guild') {
-      if (group.privacy === 'public' && user.flags.chatRevoked) throw new NotAuthorized(res.t('cannotCreatePublicGuildWhenMuted'));
+      if (group.privacy === 'public' && user.flags.chatRevoked) throw new NotAuthorized(res.t('chatPrivilegesRevoked'));
       if (user.balance < 1) throw new NotAuthorized(res.t('messageInsufficientGems'));
 
       group.balance = 1;
@@ -375,7 +375,8 @@ api.getGroup = {
   method: 'GET',
   url: '/groups/:groupId',
   middlewares: [authWithHeaders({
-    userFieldsToInclude: ['_id', 'party', 'guilds', 'contributor'],
+    // Some fields (including _id, preferences) are always loaded (see middlewares/auth)
+    userFieldsToInclude: ['party', 'guilds', 'contributor'],
   })],
   async handler (req, res) {
     let user = res.locals.user;
@@ -1011,7 +1012,7 @@ api.inviteToGroup = {
   async handler (req, res) {
     const user = res.locals.user;
 
-    if (user.flags.chatRevoked) throw new NotAuthorized(res.t('cannotInviteWhenMuted'));
+    if (user.flags.chatRevoked) throw new NotAuthorized(res.t('chatPrivilegesRevoked'));
 
     req.checkParams('groupId', apiError('groupIdRequired')).notEmpty();
 
diff --git a/website/server/controllers/api-v3/quests.js b/website/server/controllers/api-v3/quests.js
index c8b2b25ebe..d0f96b8a80 100644
--- a/website/server/controllers/api-v3/quests.js
+++ b/website/server/controllers/api-v3/quests.js
@@ -371,7 +371,14 @@ api.cancelQuest = {
     if (group.quest.active) throw new NotAuthorized(res.t('cantCancelActiveQuest'));
 
     let questName = questScrolls[group.quest.key].text('en');
-    const newChatMessage = group.sendChat(`\`${user.profile.name} cancelled the party quest ${questName}.\``);
+    const newChatMessage = group.sendChat({
+      message: `\`${user.profile.name} cancelled the party quest ${questName}.\``,
+      info: {
+        type: 'quest_cancel',
+        user: user.profile.name,
+        quest: group.quest.key,
+      },
+    });
 
     group.quest = Group.cleanGroupQuest();
     group.markModified('quest');
@@ -427,7 +434,14 @@ api.abortQuest = {
     if (user._id !== group.leader && user._id !== group.quest.leader) throw new NotAuthorized(res.t('onlyLeaderAbortQuest'));
 
     let questName = questScrolls[group.quest.key].text('en');
-    const newChatMessage = group.sendChat(`\`${user.profile.name} aborted the party quest ${questName}.\``);
+    const newChatMessage = group.sendChat({
+      message: `\`${common.i18n.t('chatQuestAborted', {username: user.profile.name, questName}, 'en')}\``,
+      info: {
+        type: 'quest_abort',
+        user: user.profile.name,
+        quest: group.quest.key,
+      },
+    });
     await newChatMessage.save();
 
     let memberUpdates = User.update({
diff --git a/website/server/controllers/api-v3/tasks.js b/website/server/controllers/api-v3/tasks.js
index 524669d3a1..c7035f0f99 100644
--- a/website/server/controllers/api-v3/tasks.js
+++ b/website/server/controllers/api-v3/tasks.js
@@ -285,7 +285,8 @@ api.getUserTasks = {
   method: 'GET',
   url: '/tasks/user',
   middlewares: [authWithHeaders({
-    userFieldsToInclude: ['_id', 'tasksOrder', 'preferences'],
+    // Some fields (including _id, preferences) are always loaded (see middlewares/auth)
+    userFieldsToInclude: ['tasksOrder'],
   })],
   async handler (req, res) {
     let types = Tasks.tasksTypes.map(type => `${type}s`);
diff --git a/website/server/controllers/api-v3/tasks/groups.js b/website/server/controllers/api-v3/tasks/groups.js
index 93ce3cb1eb..aee836dafd 100644
--- a/website/server/controllers/api-v3/tasks/groups.js
+++ b/website/server/controllers/api-v3/tasks/groups.js
@@ -204,7 +204,14 @@ api.assignTask = {
     // User is claiming the task
     if (user._id === assignedUserId) {
       let message = res.t('userIsClamingTask', {username: user.profile.name, task: task.text});
-      const newMessage = group.sendChat(message);
+      const newMessage = group.sendChat({
+        message,
+        info: {
+          type: 'claim_task',
+          user: user.profile.name,
+          task: task.text,
+        },
+      });
       promises.push(newMessage.save());
     } else {
       const taskText = task.text;
diff --git a/website/server/libs/bannedWords.js b/website/server/libs/bannedWords.js
index f341708710..5b0bd7b94e 100644
--- a/website/server/libs/bannedWords.js
+++ b/website/server/libs/bannedWords.js
@@ -91,6 +91,11 @@ let bannedWords = [
   'buggery',
   'buggering',
   'buggered',
+  'bullshit',
+  'bullshiter',
+  'bullshitter',
+  'bullshiting',
+  'bullshitting',
   'shiz',
   'shit',
   'shitty',
diff --git a/website/server/libs/chat/group-chat.js b/website/server/libs/chat/group-chat.js
index 72edb4d52d..92123b6cf2 100644
--- a/website/server/libs/chat/group-chat.js
+++ b/website/server/libs/chat/group-chat.js
@@ -1,6 +1,10 @@
 import { chatModel as Chat } from '../../models/message';
+import shared from '../../../common';
+import _ from 'lodash';
 import { MAX_CHAT_COUNT, MAX_SUBBED_GROUP_CHAT_COUNT } from '../../models/group';
 
+const questScrolls = shared.content.quests;
+
 // @TODO: Don't use this method when the group can be saved.
 export async function getGroupChat (group) {
   const maxChatCount = group.isSubscribed() ? MAX_SUBBED_GROUP_CHAT_COUNT : MAX_CHAT_COUNT;
@@ -22,3 +26,82 @@ export async function getGroupChat (group) {
     return previous;
   }, []);
 }
+
+export function translateMessage (lang, info) {
+  let msg;
+  let foundText = '';
+  let spells = shared.content.spells;
+  let quests = shared.content.quests;
+
+  switch (info.type) {
+    case 'quest_start':
+      msg = `\`${shared.i18n.t('chatQuestStarted', {questName: questScrolls[info.quest].text(lang)}, lang)}\``;
+      break;
+
+    case 'boss_damage':
+      msg = `\`${shared.i18n.t('chatBossDamage', {username: info.user, bossName: questScrolls[info.quest].boss.name(lang), userDamage: info.userDamage, bossDamage: info.bossDamage}, lang)}\``;
+      break;
+
+    case 'boss_dont_attack':
+      msg = `\`${shared.i18n.t('chatBossDontAttack', {username: info.user, bossName: questScrolls[info.quest].boss.name(lang), userDamage: info.userDamage}, lang)}\``;
+      break;
+
+    case 'boss_rage':
+      msg = `\`${questScrolls[info.quest].boss.rage.effect(lang)}\``;
+      break;
+
+    case 'boss_defeated':
+      msg = `\`${shared.i18n.t('chatBossDefeated', {bossName: questScrolls[info.quest].boss.name(lang)}, lang)}\``;
+      break;
+
+    case 'user_found_items':
+      foundText = _.reduce(info.items, (m, v, k) => {
+        m.push(`${v} ${questScrolls[info.quest].collect[k].text(lang)}`);
+        return m;
+      }, []).join(', ');
+      msg = `\`${shared.i18n.t('chatFindItems', {username: info.user, items: foundText}, lang)}\``;
+      break;
+
+    case 'all_items_found':
+      msg = `\`${shared.i18n.t('chatItemQuestFinish', lang)}\``;
+      break;
+
+    case 'spell_cast_party':
+      msg = `\`${shared.i18n.t('chatCastSpellParty', {username: info.user, spell: spells[info.class][info.spell].text(lang)}, lang)}\``;
+      break;
+
+    case 'spell_cast_user':
+      msg = `\`${shared.i18n.t('chatCastSpellUser', {username: info.user, spell: spells[info.class][info.spell].text(lang), target: info.target}, lang)}\``;
+      break;
+
+    case 'quest_cancel':
+      msg = `\`${shared.i18n.t('chatQuestCancelled', {username: info.user, questName: questScrolls[info.quest].text(lang)}, lang)}\``;
+      break;
+
+    case 'quest_abort':
+      msg = `\`${shared.i18n.t('chatQuestAborted', {username: info.user, questName: questScrolls[info.quest].text(lang)}, lang)}\``;
+      break;
+
+    case 'tavern_quest_completed':
+      msg = `\`${quests[info.quest].completionChat(lang)}\``;
+      break;
+
+    case 'tavern_boss_rage_tired':
+      msg = `\`${shared.i18n.t('tavernBossTired', {rageName: quests[info.quest].boss.rage.title(lang), bossName: quests[info.quest].boss.name(lang)}, lang)}\``;
+      break;
+
+    case 'tavern_boss_rage':
+      msg = `\`${quests[info.quest].boss.rage[info.scene](lang)}\``;
+      break;
+
+    case 'tavern_boss_desperation':
+      msg = `\`${quests[info.quest].boss.desperation.text(lang)}\``;
+      break;
+
+    case 'claim_task':
+      msg = `${shared.i18n.t('userIsClamingTask', {username: info.user, task: info.task}, lang)}`;
+      break;
+  }
+
+  return msg;
+}
diff --git a/website/server/libs/spells.js b/website/server/libs/spells.js
index 7315b87f08..8c46fcb1ab 100644
--- a/website/server/libs/spells.js
+++ b/website/server/libs/spells.js
@@ -197,9 +197,30 @@ async function castSpell (req, res, {isV3 = false}) {
     });
 
     if (party && !spell.silent) {
-      let message = `\`${user.profile.name} casts ${spell.text()}${targetType === 'user' ? ` on ${partyMembers.profile.name}` : ' for the party'}.\``;
-      const newChatMessage = party.sendChat(message);
-      await newChatMessage.save();
+      if (targetType === 'user') {
+        const newChatMessage = party.sendChat({
+          message: `\`${common.i18n.t('chatCastSpellUser', {username: user.profile.name, spell: spell.text(), target: partyMembers.profile.name}, 'en')}\``,
+          info: {
+            type: 'spell_cast_user',
+            user: user.profile.name,
+            class: klass,
+            spell: spellId,
+            target: partyMembers.profile.name,
+          },
+        });
+        await newChatMessage.save();
+      } else {
+        const newChatMessage = party.sendChat({
+          message: `\`${common.i18n.t('chatCastSpellParty', {username: user.profile.name, spell: spell.text()}, 'en')}\``,
+          info: {
+            type: 'spell_cast_party',
+            user: user.profile.name,
+            class: klass,
+            spell: spellId,
+          },
+        });
+        await newChatMessage.save();
+      }
     }
   }
 }
diff --git a/website/server/middlewares/auth.js b/website/server/middlewares/auth.js
index f4c301acf9..c0881008af 100644
--- a/website/server/middlewares/auth.js
+++ b/website/server/middlewares/auth.js
@@ -9,22 +9,27 @@ import url from 'url';
 import gcpStackdriverTracer from '../libs/gcpTraceAgent';
 
 const COMMUNITY_MANAGER_EMAIL = nconf.get('EMAILS_COMMUNITY_MANAGER_EMAIL');
+const USER_FIELDS_ALWAYS_LOADED = ['_id', 'notifications', 'preferences', 'auth', 'flags'];
 
 function getUserFields (options, req) {
   // A list of user fields that aren't needed for the route and are not loaded from the db.
   // Must be an array
   if (options.userFieldsToExclude) {
-    return options.userFieldsToExclude.map(field => {
-      return `-${field}`; // -${field} means exclude ${field} in mongodb
-    }).join(' ');
+    return options.userFieldsToExclude
+      .filter(field => {
+        return !USER_FIELDS_ALWAYS_LOADED.find(fieldToInclude => field.startsWith(fieldToInclude));
+      })
+      .map(field => {
+        return `-${field}`; // -${field} means exclude ${field} in mongodb
+      })
+      .join(' ');
   }
 
   if (options.userFieldsToInclude) {
-    return options.userFieldsToInclude.join(' ');
+    return options.userFieldsToInclude.concat(USER_FIELDS_ALWAYS_LOADED).join(' ');
   }
 
   // Allows GET requests to /user to specify a list of user fields to return instead of the entire doc
-  // Notifications are always included
   const urlPath = url.parse(req.url).pathname;
   const userFields = req.query.userFields;
   if (!userFields || urlPath !== '/user') return '';
@@ -32,7 +37,7 @@ function getUserFields (options, req) {
   const userFieldOptions = userFields.split(',');
   if (userFieldOptions.length === 0) return '';
 
-  return `notifications ${userFieldOptions.join(' ')}`;
+  return userFieldOptions.concat(USER_FIELDS_ALWAYS_LOADED).join(' ');
 }
 
 // Make sure stackdriver traces are storing the user id
diff --git a/website/server/models/group.js b/website/server/models/group.js
index fee789a878..636eb3ca0e 100644
--- a/website/server/models/group.js
+++ b/website/server/models/group.js
@@ -37,7 +37,7 @@ import {
 } from './subscriptionPlan';
 import amazonPayments from '../libs/payments/amazon';
 import stripePayments from '../libs/payments/stripe';
-import { getGroupChat } from '../libs/chat/group-chat';
+import { getGroupChat, translateMessage } from '../libs/chat/group-chat';
 import { model as UserNotification } from './userNotification';
 
 const questScrolls = shared.content.quests;
@@ -344,26 +344,38 @@ schema.statics.toJSONCleanChat = async function groupToJSONCleanChat (group, use
     await getGroupChat(group);
   }
 
-  let toJSON = group.toJSON();
+  const groupToJson = group.toJSON();
+  const userLang = user.preferences.language;
 
-  if (!user.contributor.admin) {
-    _.remove(toJSON.chat, chatMsg => {
-      chatMsg.flags = {};
-      if (chatMsg._meta) chatMsg._meta = undefined;
-      return user._id !== chatMsg.uuid && chatMsg.flagCount >= 2;
-    });
-  }
+  groupToJson.chat = groupToJson.chat
+    .map(chatMsg => {
+      // Translate system messages
+      if (!_.isEmpty(chatMsg.info)) {
+        chatMsg.text = translateMessage(userLang, chatMsg.info);
+      }
 
-  // Convert to timestamps because Android expects it
-  toJSON.chat.forEach(chat => {
-    // old chats are saved with a numeric timestamp
-    // new chats use `Date` which then has to be converted to the numeric timestamp
-    if (chat.timestamp && chat.timestamp.getTime) {
-      chat.timestamp = chat.timestamp.getTime();
-    }
-  });
+      // Convert to timestamps because Android expects it
+      // old chats are saved with a numeric timestamp
+      // new chats use `Date` which then has to be converted to the numeric timestamp
+      if (chatMsg.timestamp && chatMsg.timestamp.getTime) {
+        chatMsg.timestamp = chatMsg.timestamp.getTime();
+      }
 
-  return toJSON;
+      if (!user.contributor.admin) {
+        // Flags are hidden to non admins
+        chatMsg.flags = {};
+        if (chatMsg._meta) chatMsg._meta = undefined;
+
+        // Messages with >= 2 flags are hidden to non admins and non authors
+        if (user._id !== chatMsg.uuid && chatMsg.flagCount >= 2) return undefined;
+      }
+
+      return chatMsg;
+    })
+    // Used to filter for undefined chat messages that should not be shown to non-admins
+    .filter(chatMsg => chatMsg !== undefined);
+
+  return groupToJson;
 };
 
 function getInviteError (uuids, emails, usernames) {
@@ -496,8 +508,9 @@ schema.methods.getMemberCount = async function getMemberCount () {
   return await User.count(query).exec();
 };
 
-schema.methods.sendChat = function sendChat (message, user, metaData, client) {
-  let newMessage = messageDefaults(message, user, client);
+schema.methods.sendChat = function sendChat (options = {}) {
+  const {message, user, metaData, client, info = {}} = options;
+  let newMessage = messageDefaults(message, user, client, info);
   let newChatMessage = new Chat();
   newChatMessage = Object.assign(newChatMessage, newMessage);
   newChatMessage.groupId = this._id;
@@ -653,8 +666,15 @@ schema.methods.startQuest = async function startQuest (user) {
   }, _cleanQuestParty(),
   { multi: true }).exec();
 
-  const newMessage = this.sendChat(`\`Your quest, ${quest.text('en')}, has started.\``, null, {
-    participatingMembers: this.getParticipatingQuestMembers().join(', '),
+  const newMessage = this.sendChat({
+    message: `\`${shared.i18n.t('chatQuestStarted', {questName: quest.text('en')}, 'en')}\``,
+    metaData: {
+      participatingMembers: this.getParticipatingQuestMembers().join(', '),
+    },
+    info: {
+      type: 'quest_start',
+      quest: quest.key,
+    },
   });
   await newMessage.save();
 
@@ -913,18 +933,42 @@ schema.methods._processBossQuest = async function processBossQuest (options) {
   const promises = [];
 
   group.quest.progress.hp -= progress.up;
-  // TODO Create a party preferred language option so emits like this can be localized. Suggestion: Always display the English version too. Or, if English is not displayed to the players, at least include it in a new field in the chat object that's visible in the database - essential for admins when troubleshooting quests!
-  let playerAttack = `${user.profile.name} attacks ${quest.boss.name('en')} for ${progress.up.toFixed(1)} damage.`;
-  let bossAttack = CRON_SAFE_MODE || CRON_SEMI_SAFE_MODE ? `${quest.boss.name('en')} does not attack, because it respects the fact that there are some bugs\` \`post-maintenance and it doesn't want to hurt anyone unfairly. It will continue its rampage soon!` : `${quest.boss.name('en')} attacks party for ${Math.abs(down).toFixed(1)} damage.`;
-  // TODO Consider putting the safe mode boss attack message in an ENV var
-  const groupMessage = group.sendChat(`\`${playerAttack}\` \`${bossAttack}\``);
-  promises.push(groupMessage.save());
+  if (CRON_SAFE_MODE || CRON_SEMI_SAFE_MODE) {
+    const groupMessage = group.sendChat({
+      message: `\`${shared.i18n.t('chatBossDontAttack', {bossName: quest.boss.name('en')}, 'en')}\``,
+      info: {
+        type: 'boss_dont_attack',
+        user: user.profile.name,
+        quest: group.quest.key,
+        userDamage: progress.up.toFixed(1),
+      },
+    });
+    promises.push(groupMessage.save());
+  } else {
+    const groupMessage = group.sendChat({
+      message: `\`${shared.i18n.t('chatBossDamage', {username: user.profile.name, bossName: quest.boss.name('en'), userDamage: progress.up.toFixed(1), bossDamage: Math.abs(down).toFixed(1)}, user.preferences.language)}\``,
+      info: {
+        type: 'boss_damage',
+        user: user.profile.name,
+        quest: group.quest.key,
+        userDamage: progress.up.toFixed(1),
+        bossDamage: Math.abs(down).toFixed(1),
+      },
+    });
+    promises.push(groupMessage.save());
+  }
 
   // If boss has Rage, increment Rage as well
   if (quest.boss.rage) {
     group.quest.progress.rage += Math.abs(down);
     if (group.quest.progress.rage >= quest.boss.rage.value) {
-      const rageMessage = group.sendChat(quest.boss.rage.effect('en'));
+      const rageMessage = group.sendChat({
+        message: quest.boss.rage.effect('en'),
+        info: {
+          type: 'boss_rage',
+          quest: quest.key,
+        },
+      });
       promises.push(rageMessage.save());
       group.quest.progress.rage = 0;
 
@@ -952,7 +996,13 @@ schema.methods._processBossQuest = async function processBossQuest (options) {
 
   // Boss slain, finish quest
   if (group.quest.progress.hp <= 0) {
-    const questFinishChat = group.sendChat(`\`You defeated ${quest.boss.name('en')}! Questing party members receive the rewards of victory.\``);
+    const questFinishChat = group.sendChat({
+      message: `\`${shared.i18n.t('chatBossDefeated', {bossName: quest.boss.name('en')}, 'en')}\``,
+      info: {
+        type: 'boss_defeated',
+        quest: quest.key,
+      },
+    });
     promises.push(questFinishChat.save());
 
     // Participants: Grant rewards & achievements, finish quest
@@ -1005,7 +1055,15 @@ schema.methods._processCollectionQuest = async function processCollectionQuest (
   }, []);
 
   foundText = foundText.join(', ');
-  const foundChat = group.sendChat(`\`${user.profile.name} found ${foundText}.\``);
+  const foundChat = group.sendChat({
+    message: `\`${shared.i18n.t('chatFindItems', {username: user.profile.name, items: foundText}, 'en')}\``,
+    info: {
+      type: 'user_found_items',
+      user: user.profile.name,
+      quest: quest.key,
+      items: itemsFound,
+    },
+  });
   group.markModified('quest.progress.collect');
 
   // Still needs completing
@@ -1018,7 +1076,12 @@ schema.methods._processCollectionQuest = async function processCollectionQuest (
   }
 
   await group.finishQuest(quest);
-  const allItemsFoundChat = group.sendChat('`All items found! Party has received their rewards.`');
+  const allItemsFoundChat = group.sendChat({
+    message: `\`${shared.i18n.t('chatItemQuestFinish', 'en')}\``,
+    info: {
+      type: 'all_items_found',
+    },
+  });
 
   const promises = [group.save(), foundChat.save(), allItemsFoundChat.save()];
 
@@ -1082,7 +1145,13 @@ schema.statics.tavernBoss = async function tavernBoss (user, progress) {
   const chatPromises = [];
 
   if (tavern.quest.progress.hp <= 0) {
-    const completeChat = tavern.sendChat(quest.completionChat('en'));
+    const completeChat = tavern.sendChat({
+      message: quest.completionChat('en'),
+      info: {
+        type: 'tavern_quest_completed',
+        quest: quest.key,
+      },
+    });
     chatPromises.push(completeChat.save());
     await tavern.finishQuest(quest);
     _.assign(tavernQuest, {extra: null});
@@ -1111,11 +1180,24 @@ schema.statics.tavernBoss = async function tavernBoss (user, progress) {
       }
 
       if (!scene) {
-        const tiredChat = tavern.sendChat(`\`${quest.boss.name('en')} tries to unleash ${quest.boss.rage.title('en')} but is too tired.\``);
+        const tiredChat = tavern.sendChat({
+          message: `\`${shared.i18n.t('tavernBossTired', {rageName: quest.boss.rage.title('en'), bossName: quest.boss.name('en')}, 'en')}\``,
+          info: {
+            type: 'tavern_boss_rage_tired',
+            quest: quest.key,
+          },
+        });
         chatPromises.push(tiredChat.save());
         tavern.quest.progress.rage = 0; // quest.boss.rage.value;
       } else {
-        const rageChat = tavern.sendChat(quest.boss.rage[scene]('en'));
+        const rageChat = tavern.sendChat({
+          message: quest.boss.rage[scene]('en'),
+          info: {
+            type: 'tavern_boss_rage',
+            quest: quest.key,
+            scene,
+          },
+        });
         chatPromises.push(rageChat.save());
         tavern.quest.extra.worldDmg[scene] = true;
         tavern.markModified('quest.extra.worldDmg');
@@ -1127,7 +1209,13 @@ schema.statics.tavernBoss = async function tavernBoss (user, progress) {
     }
 
     if (quest.boss.desperation && tavern.quest.progress.hp < quest.boss.desperation.threshold && !tavern.quest.extra.desperate) {
-      const progressChat = tavern.sendChat(quest.boss.desperation.text('en'));
+      const progressChat = tavern.sendChat({
+        message: quest.boss.desperation.text('en'),
+        info: {
+          type: 'tavern_boss_desperation',
+          quest: quest.key,
+        },
+      });
       chatPromises.push(progressChat.save());
       tavern.quest.extra.desperate = true;
       tavern.quest.extra.def = quest.boss.desperation.def;
diff --git a/website/server/models/message.js b/website/server/models/message.js
index f93d90ccb6..93db62a1f9 100644
--- a/website/server/models/message.js
+++ b/website/server/models/message.js
@@ -7,6 +7,7 @@ const defaultSchema = () => ({
   id: String,
   timestamp: Date,
   text: String,
+  info: {$type: mongoose.Schema.Types.Mixed},
 
   // sender properties
   user: String, // profile name (unfortunately)
@@ -101,12 +102,13 @@ export function setUserStyles (newMessage, user) {
   newMessage.markModified('userStyles');
 }
 
-export function messageDefaults (msg, user, client) {
+export function messageDefaults (msg, user, client, info = {}) {
   const id = uuid();
   const message = {
     id,
     _id: id,
     text: msg.substring(0, 3000),
+    info,
     timestamp: Number(new Date()),
     likes: {},
     flags: {},