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Firefighter (10 player)
Defeat Mimiron after activating his Self-Destruct mechanism in 10-player mode.
Firefighter (10 player) is an achievement earned by defeating Mimiron in 10-player mode after pressing the 'DO NOT PUSH' button before the fight to activate his Self-Destruct mechanism.
Bring a Fire Extinguisher
Before entering Mimiron's chamber, bring a Fire Extinguisher, as Doomfire patches will spawn throughout the fight and managing them is critical to survival.
Press the Red Button
Before engaging Mimiron, press the large red 'DO NOT PUSH' button to activate the Self-Destruct mechanism, which starts a 10-minute countdown to wipe the raid and applies the Emergency Mode buff to all of Mimiron's vehicles, increasing their health and damage done by 25% and enabling new abilities.
Handle Phase 1 Doomfire
During Phase 1, Mimiron spawns 2 or 3 patches of Doomfire on random players; the fire attempts to follow the nearest player and moves every 3 to 4 seconds, so raid members must actively kite the fire away from the group.
Manage Phase 2 Mechanics
In Phase 2, Doomfire continues to spawn, Mimiron emits a melee-range AE pulse that clears fire in the inner circle, and he throws an Ice Bomb at a random location that deals around 8, 000 damage on detonation, knocks nearby players back, and extinguishes fire near the impact point.
Defeat Mimiron Within 10 Minutes
Enter Ulduar, navigate to Mimiron, and defeat him across all phases before the Self-Destruct timer expires; the recommended setup based on available data is 1 tank, 2 healers, and 7 DPS, with high item level gear strongly recommended due to the increased health and damage from Emergency Mode.