TheWoWDBUldir
Mythrax the Unraveler Guide
Mythrax the Unraveler in Uldir, quoted from the Adventure Guide. Database holds the raw abilities and the full loot table.
30-second TL;DR
Adventure Guide says
- Mythrax's abilities will trigger Annihilation, reducing players' maximum health.
- When Annihilation triggers, there is a chance that an Existence Fragment will spawn, allowing the player or her allies to regain that previously lost maximum health.
- Stages named in the Adventure Guide: Stage One: Oblivion's Call, Stage Two: Ancient Awakening.
- Tanks: Avoid taking damage from Essence Shear when you are already affected by Essence Shear.
- Healers: Move away from your allies when affected by Imminent Ruin.
- Damage dealers: Move away from your allies when affected by Imminent Ruin.
Overview
Adventure Guide says
Mythrax's abilities will trigger Annihilation, reducing players' maximum health. When Annihilation triggers, there is a chance that an Existence Fragment will spawn, allowing the player or her allies to regain that previously lost maximum health. On Mythic difficulty, Obliteration Blast and Obliteration Beam consume any Existence Fragment that they pass over. Also, when Xalzaix is thrown via Living Weapon, he gains the ability to cast Obliteration Blast.
- Avoid taking damage from Essence Shear when you are already affected by Essence Shear.
- Be mindful of your survivability as you gain stacks of Annihilation.
- Move away from your allies when affected by Imminent Ruin.
- Breaking multiple targets out of Oblivion Sphere will trigger heavy damage to all players.
- Avoid having multiple players charmed by the same Oblivion Sphere.
- Move away from your allies when affected by Imminent Ruin.
- Avoid having multiple players charmed by the same Oblivion Sphere.
Encounter phases
Adventure Guide says
- Stage One: Oblivion's Call
- Stage Two: Ancient Awakening
Tank mechanics
Adventure Guide says
- Avoid taking damage from Essence Shear when you are already affected by Essence Shear.
- Be mindful of your survivability as you gain stacks of Annihilation.
Healer mechanics
Adventure Guide says
- Move away from your allies when affected by Imminent Ruin.
- Breaking multiple targets out of Oblivion Sphere will trigger heavy damage to all players.
- Avoid having multiple players charmed by the same Oblivion Sphere.
DPS mechanics
Adventure Guide says
- Move away from your allies when affected by Imminent Ruin.
- Avoid having multiple players charmed by the same Oblivion Sphere.
Normal, Heroic, and Mythic
Adventure Guide says
Only sentences the Adventure Guide itself marks as a difficulty change. We do not invent extra Heroic or Mythic strategy.
- On Mythic difficulty, Obliteration Blast and Obliteration Beam consume any Existence Fragment that they pass over.
- On Mythic difficulty, Mythrax focuses his Obliteration Beam himself and directs his fire at Xalzaix.
Boss abilities
| Ability | Adventure Guide | Notes |
|---|---|---|
 Annihilation | ||
 Existence Fragment | ||
 Essence Shear | ||
 Obliteration Blast | ||
 Oblivion Sphere | ||
| Crashing Oblivion | ||
 Imminent Ruin | On Raid Finder difficulty, Imminent Ruin does damage to the entire raid without reducing damage taken based on distance from the initial target. | |
 Living Weapon | ||
 Essence Shatter | ||
 Xalzaix's Awakening | ||
 Oblivion Veil | ||
 Obliteration Beam | On Mythic difficulty, Mythrax focuses his Obliteration Beam himself and directs his fire at Xalzaix. When Xalzaix is struck by Obliteration Beam, it unleashes its own smaller Obliteration Beam. | |
 Visions of Madness | ||
 Void Volley | ||
 Critical Mass |
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 Mythrax the Unraveler?
Mythrax's abilities will trigger Annihilation, reducing players' maximum health.
How many abilities does Mythrax the Unraveler have?
The current datamine lists 15 named abilities on the Mythrax the Unraveler encounter.
What does Mythrax the Unraveler 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 Mythrax the Unraveler change on Heroic or Mythic?
Yes. The Adventure Guide adds difficulty sentences on the abilities that change; those sentences are collected in the difficulty section. We do not invent additional Heroic or Mythic strategy.
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.