TheWoWDBUldir
MOTHER Guide
MOTHER in Uldir, quoted from the Adventure Guide. Database holds the raw abilities and the full loot table.
30-second TL;DR
Adventure Guide says
- Pass through Defense Grids to reach the final chamber of the Hall of Sanitation.
- Reaching the third and final chamber cleanses the raid of all corruption, and inflicts MOTHER with Depleted Energy.
- Stages named in the Adventure Guide: Embodiments of Contamination.
- Tanks: Coordinate with your allies to pass through the Defense Grids.
- Healers: Coordinate with your allies to pass through the Defense Grids.
- Damage dealers: Coordinate with your allies to pass through the Defense Grids.
Overview
Adventure Guide says
Pass through Defense Grids to reach the final chamber of the Hall of Sanitation. Reaching the third and final chamber cleanses the raid of all corruption, and inflicts MOTHER with Depleted Energy. When MOTHER is first active in any chamber she will begin a countdown to activate Cleansing Purge within that chamber.
- Coordinate with your allies to pass through the Defense Grids.
- Coordinate with the other tank to maintain as few stacks of Sanitizing Strike as possible.
- Round up Remnants of Corruption to keep them from attacking your allies.
- Coordinate with your allies to pass through the Defense Grids.
- Avoid standing in front of MOTHER so as not to take damage from Sanitizing Strike.
- Allies will take significant damage when passing through the Defense Grids.
- Coordinate with your allies to pass through the Defense Grids.
- Avoid standing in front of MOTHER so as not to take damage from Sanitizing Strike.
- Interrupt Clinging Corruption cast by Remnants of Corruption.
Encounter phases
Adventure Guide says
- Embodiments of Contamination
Tank mechanics
Adventure Guide says
- Coordinate with your allies to pass through the Defense Grids.
- Coordinate with the other tank to maintain as few stacks of Sanitizing Strike as possible.
- Round up Remnants of Corruption to keep them from attacking your allies.
Healer mechanics
Adventure Guide says
- Coordinate with your allies to pass through the Defense Grids.
- Avoid standing in front of MOTHER so as not to take damage from Sanitizing Strike.
- Allies will take significant damage when passing through the Defense Grids.
DPS mechanics
Adventure Guide says
- Coordinate with your allies to pass through the Defense Grids.
- Avoid standing in front of MOTHER so as not to take damage from Sanitizing Strike.
- Interrupt Clinging Corruption cast by Remnants of Corruption.
Boss abilities
| Ability | Adventure Guide | Notes |
|---|---|---|
 Defense Grid | ||
 Depleted Energy | ||
 Cleansing Purge | ||
 Sanitizing Strike | ||
 Purifying Flame | ||
 Wind Tunnel | ||
 Uldir Defensive Beam |
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
Mythic: Fetid Devourer · Mythic: G'huun · Mythic: MOTHER · Mythic: Mythrax the Unraveler · Mythic: Taloc · Mythic: Vectis · Uldir
Entrance and instance
Uldir is a raid in the Adventure Guide. See the Uldir 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 MOTHER?
Pass through Defense Grids to reach the final chamber of the Hall of Sanitation.
How many abilities does MOTHER have?
The current datamine lists 7 named abilities on the MOTHER encounter.
What does MOTHER drop?
The Adventure Guide lists 11 drops. Each name links to its TheWoWDB item page. The full table also lives on the Uldir database page.
Does MOTHER 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.