TheWoWDBGrim Batol
Erudax, the Duke of Below Guide
Erudax, the Duke of Below in Grim Batol, quoted from the Adventure Guide. Database holds the raw abilities and the full loot table.
30-second TL;DR
Adventure Guide says
- Erudax channels Void Surge and causes Void Tendrils to erupt from the ground, then summons Shadow Gale to destroy his enemies.
- Tanks: Crush inflicts heavy Shadow and Physical damage.
- Healers: Void Surge blasts all players with shadow damage.
- Damage dealers: Shadow Gale inflicts heavy shadow damage to players caught inside the storm.
Overview
Adventure Guide says
Erudax channels Void Surge and causes Void Tendrils to erupt from the ground, then summons Shadow Gale to destroy his enemies.
- Crush inflicts heavy Shadow and Physical damage.
- Void Infusion corrupts Alexstraza's eggs and turns them into Mutated Hatchlings.
- Shadow Gale inflicts heavy shadow damage to players caught inside the storm.
- Void Tendrils stun players with Depth's Grasp.
- Void Infusion corrupts Alexstraza's eggs and turns them into Mutated Hatchlings.
- Void Surge blasts all players with shadow damage.
- Erudax afflicts multiple players with Abyssal Corruption, causing them to erupt in void energy.
Tank mechanics
Adventure Guide says
- Crush inflicts heavy Shadow and Physical damage.
- Void Infusion corrupts Alexstraza's eggs and turns them into Mutated Hatchlings.
Healer mechanics
Adventure Guide says
- Void Surge blasts all players with shadow damage.
- Erudax afflicts multiple players with Abyssal Corruption, causing them to erupt in void energy.
DPS mechanics
Adventure Guide says
- Shadow Gale inflicts heavy shadow damage to players caught inside the storm.
- Void Tendrils stun players with Depth's Grasp.
- Void Infusion corrupts Alexstraza's eggs and turns them into Mutated Hatchlings.
Boss abilities
| Ability | Adventure Guide | Notes |
|---|---|---|
 Shadow Gale | ||
 Abyssal Corruption | ||
 Void Surge | ||
 Depth's Grasp | ||
 Void Infusion | ||
 Shadow Corruption | ||
 Crush |
Loot
Every name is a TheWoWDB item page. Hover the row for the first-party tooltip.
Bracers of Umbral MendingBracers of Umbral Mending
Circle of BoneCircle of Bone
Corrupted Egg ShellCorrupted Egg Shell
Crown of Enfeebled BodiesCrown of Enfeebled Bodies
Flamescale Chain Leggings
Gale of ShadowsGale of Shadows
Mace of Transformed BoneMace of Transformed Bone
Mark of KhardrosMark of Khardros
Staff of Siphoned EssencesStaff of Siphoned Essences
Vest of Misshapen HidesVest of Misshapen Hides
Wild HammerWild HammerMounts, toys, achievements, transmog
Only rows the journal loot table or an achievement title can prove for this encounter.
Achievements
Entrance and instance
Grim Batol is a dungeon in the Adventure Guide. See the Grim Batol 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 Erudax, the Duke of Below?
Erudax channels Void Surge and causes Void Tendrils to erupt from the ground, then summons Shadow Gale to destroy his enemies.
How many abilities does Erudax, the Duke of Below have?
The current datamine lists 7 named abilities on the Erudax, the Duke of Below encounter.
What does Erudax, the Duke of Below drop?
The Adventure Guide lists 21 drops. Each name links to its TheWoWDB item page. The full table also lives on the Grim Batol database page.
Does Erudax, the Duke of Below 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.