TheWoWDBCity of Threads
The Coaglamation Guide
The Coaglamation in City of Threads, quoted from the Adventure Guide. Database holds the raw abilities and the full loot table.
30-second TL;DR
Adventure Guide says
- The Coaglamation casts Viscous Darkness to release orbs of black blood that move towards the The Coaglamation to heal it.
- Players can intercept orbs of black blood to prevent them from reaching The Coaglamation, but are afflicted with Corrupted Coating each time they come into contact with an orb of black blood.
- Tanks: [Viscous Darkness] causes orbs of black blood to move towards The Coaglamation that players can intercept. Orbs of black blood that touch the Coaglamation heal it.
- Healers: [Viscous Darkness] causes orbs of black blood to move towards The Coaglamation that players can intercept. Orbs of black blood that touch the Coaglamation heal it.
- Damage dealers: [Viscous Darkness] causes orbs of black blood to move towards The Coaglamation that players can intercept. Orbs of black blood that touch the Coaglamation heal it.
Overview
Adventure Guide says
The Coaglamation casts Viscous Darkness to release orbs of black blood that move towards the The Coaglamation to heal it. Players can intercept orbs of black blood to prevent them from reaching The Coaglamation, but are afflicted with Corrupted Coating each time they come into contact with an orb of black blood.
- [Viscous Darkness] causes orbs of black blood to move towards The Coaglamation that players can intercept. Orbs of black blood that touch the Coaglamation heal it.
- Players that intercept orbs of black blood are afflicted with [Corrupted Coating] which absorbs healing recieved.
- [Blood Surge] creates pools of black blood.
- [Viscous Darkness] causes orbs of black blood to move towards The Coaglamation that players can intercept. Orbs of black blood that touch the Coaglamation heal it.
- Players that intercept orbs of black blood are afflicted with [Corrupted Coating] which absorbs healing recieved.
- [Dark Pulse] inflicts significant damage to all players.
- [Viscous Darkness] causes orbs of black blood to move towards The Coaglamation that players can intercept. Orbs of black blood that touch the Coaglamation heal it.
- Players that intercept orbs of black blood are afflicted with [Corrupted Coating] which absorbs healing recieved.
- [Dark Pulse] inflicts significant damage to all players.
Tank mechanics
Adventure Guide says
- [Viscous Darkness] causes orbs of black blood to move towards The Coaglamation that players can intercept. Orbs of black blood that touch the Coaglamation heal it.
- Players that intercept orbs of black blood are afflicted with [Corrupted Coating] which absorbs healing recieved.
- [Blood Surge] creates pools of black blood.
Healer mechanics
Adventure Guide says
- [Viscous Darkness] causes orbs of black blood to move towards The Coaglamation that players can intercept. Orbs of black blood that touch the Coaglamation heal it.
- Players that intercept orbs of black blood are afflicted with [Corrupted Coating] which absorbs healing recieved.
- [Dark Pulse] inflicts significant damage to all players.
DPS mechanics
Adventure Guide says
- [Viscous Darkness] causes orbs of black blood to move towards The Coaglamation that players can intercept. Orbs of black blood that touch the Coaglamation heal it.
- Players that intercept orbs of black blood are afflicted with [Corrupted Coating] which absorbs healing recieved.
- [Dark Pulse] inflicts significant damage to all players.
Boss abilities
| Ability | Adventure Guide | Notes |
|---|---|---|
 Viscous Darkness | ||
 Corrupted Coating | ||
 Oozing Smash | ||
 Blood Surge | ||
 Dark Pulse |
Loot
Every name is a TheWoWDB item page. Hover the row for the first-party tooltip.
Mounts, toys, achievements, transmog
Only rows the journal loot table or an achievement title can prove for this encounter.
Achievements
City of Threads · Heroic: City of Threads · Mythic: City of Threads
Entrance and instance
City of Threads is a dungeon in the Adventure Guide. See the City of Threads database page for the raw journal, map, and loot grid. This guide does not invent coordinates or a walking path.
Related bosses
Player strategy
This page quotes the Adventure Guide. It does not add player strategy such as positioning, assignments, stack or spread calls, or cooldown timings unless that sentence is already in the journal.
Questions
What does the Adventure Guide say about The Coaglamation?
The Coaglamation casts Viscous Darkness to release orbs of black blood that move towards the The Coaglamation to heal it.
How many abilities does The Coaglamation have?
The current datamine lists 5 named abilities on the The Coaglamation encounter.
What does The Coaglamation drop?
The Adventure Guide lists 7 drops. Each name links to its TheWoWDB item page. The full table also lives on the City of Threads database page.
Does The Coaglamation change on Heroic or Mythic?
The current Adventure Guide text for this encounter does not include separate Heroic or Mythic sentences we can quote. If a later client build adds them, they appear here automatically.
Where does this guide's text come from?
Quoted Adventure Guide sections come from TheWoWDB's retail datamine (client build 12.1.0.69587, ingested 2026-09-01). Player strategy such as positioning, assignments, and cooldown timings is omitted unless that sentence is already in the journal.
Source and build
This page quotes the Adventure Guide. It does not add player strategy such as positioning, assignments, stack or spread calls, or cooldown timings unless that sentence is already in the journal. Quoted sections come from TheWoWDB Adventure Guide datamine (client build 12.1.0.69587, ingested 2026-09-01). Ability names link to first-party spell pages. When a newer retail build is ingested, this page updates with it.