
Mythrax, Healer Guide
Posted 2 years, 2 months ago for patch 8.1 by Preston.
This page covers a healer-focused strategy for Mythrax the Unraveler in Uldir. While it's tailored for healers, other roles may also find the information useful. If you have any suggestions or feedback, you can leave a comment below or tweet @PrestonDvorak.
This guide has been updated and maintained based on my own experiences with the fight as well as Dungeon Journal information. I'll continue to update it as-needed.
General Mechanics and Abilities
Normal and Heroic
Most of this fight occurs in Stage One, with Stage Two acting as an intermission when Mythrax reaches 75%, 50%, and 25% health.
All Stages
- Players gain stacks of
Annihilation when taking damage from most abilities, reducing maximum health.
- Each time a stack is applied, an
Existence Fragment will spawn.
- Picking up a Fragment removes two stacks of
Annihilation.
- Picking up a Fragment removes two stacks of
- Each time a stack is applied, an
- On Heroic, at 20% health Mythrax uses
Essence Shatter, preventing all players from generating
Existence Fragments.
Stage One - Oblivion's Call
This stage begins the fight and begins again after each stage two. Mythrax is directly attackable during this stage.
- Don't stand in front of Mythrax to avoid
Essence Shear.
- The tanks will be dealing with this and won't be generating
Existence Fragment.
- It may be necessary to have non-tanks generate extra
Existence Fragment so the tanks can reduce their
Annihilation stacks.
- It may be necessary to have non-tanks generate extra
- The tanks will be dealing with this and won't be generating
- Avoid the line between Mythrax and the player targeted by
Obliteration Blast.
- Stay at least 10-yards away from other players to minimize the number of players Charmed by
Oblivion Sphere.
- Players that are Charmed can either be knocked away with knock back spells or damaged until they're pushed far enough away.
- Each player freed deals damage to the entire group with
Crashing Oblivion.
- When affected by
Imminent Ruin, run as far away from the group as possible to reduce the damage the group takes.
- Ideally, you should run the opposite direction of the other affected player, but at worst stay at least 12-yards away from them.
Stage Two - Ancient Awakening
This stage begins when Mythrax reaches 75%, 50%, and 25% health and ends after a set period of time. Mythrax is essentially immune to damage during this stage.
- Don't stand near Mythrax to avoid the knock back and damage from
Oblivion Veil.
- At the start of this stage, two
Oblivion Spheres spawn and the group takes damage from
Xalzaix's Awakening.
- Avoid the
Obliteration Beam from Mythrax as it's targeted in a random direction.
- Periodically summons Vision of Madness clones of five random players.
- Target random players with
Mind Flay and should be interrupted.
- Target random players with
- Summons two N'raqi Destroyers.
- Keep these at least 40-yards away from each other to prevent the reduced damage taken and increased damage dealt from
Critical Mass.
- Interrupt
Void Volley to prevent the damage dealt to the group.
- The tanks will be dealing with
Essence Shear again.
- Keep these at least 40-yards away from each other to prevent the reduced damage taken and increased damage dealt from
Mythic Differences
Stage One - Oblivion's Call
- Stay at least 8-yards away from other players to prevent extra damage when Xalzaix lands at a location.
- Deals steadily increasing damage to the group with
Void Echoes.
- Avoid the line between Xalzaix and the player targeted by
Obliteration Blast.
- Must be damaged to 50% health to be forced to retreat.
- Deals steadily increasing damage to the group with
Stage Two - Ancient Awakening
Obliteration Beam is targeted on Xalzaix who casts its own
Obliteration Beam when hit.
Healing Notes
Quick Notes, All Difficulties
The notes below mostly pertain to progression difficulty, meaning if you out-gear the difficulty you're on or use extra healers they may not apply.
- Use Major Cooldowns
- during
Imminent Ruin
- towards the end of the encounter when
Annihilation stacks are highest
- during
- Use Minor Cooldowns
- during stage two, as needed, especially if Vision of Madness get out of control
- as-needed throughout the encounter, especially if
Annihilation are out of control
- Pre-heal Before (mainly for heal over time classes)
Imminent Ruin
- entering Stage Two at 75%, 50%, and 25% health
Potion of Replenishment use
- After
Obliteration Blast and
Oblivion Sphere in stage one
- After
- Other things to watch for
- Players with high stacks of
Annihilation.
- Players with high stacks of
Debuffs to Track
Major
Annihilation increases the healing requirement on players with higher stacks.
DBM Settings
Below are the DBM settings I'll be using for Mythrax the Unraveler in Uldir. You can set them up however you'd like, but these ones should work well as a starting point. Some settings may be Mythic only.
Healer DBM Settings for Mythrax in Uldir
Videos
Heroic, Restoration Druid PoV
Below is a video of me and my guild killing Mythrax on Heroic difficulty.
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