Can't Do That While Stunned (25 player)
Defeat the Assembly of Iron without allowing Stormcaller Brundir to damage anyone with Chain Lightning or Lightning Whirl in 25-player mode.
10
27/09/23
Observed (25 player)
Defeat Algalon the Observer in 25-player mode.
10
27/09/23
Two Lights in the Darkness (25 player)
Defeat Yogg-Saron with the assistance of two or fewer Keepers in 25-player mode.
10
Three Lights in the Darkness (25 player)
Defeat Yogg-Saron with the assistance of three or fewer Keepers in 25-player mode.
10
He's Not Getting Any Older (25 player)
Defeat Yogg-Saron within 7 minutes in 25-player mode.
10
Drive Me Crazy (25 player)
Defeat Yogg-Saron without any raid member going insane in 25-player mode.
10
One Light in the Darkness (25 player)
Defeat Yogg-Saron with the assistance of one or fewer Keepers in 25-player mode.
10
I Choose You, Steelbreaker (25 player)
Defeat the Assembly of Iron with Steelbreaker as the last member alive in 25-player mode.
10
Orbital Bombardment (25 player)
Defeat Flame Leviathan with 1 Orbital Defense System active in 25-player mode.
10
Nuked from Orbit (25 player)
Defeat Flame Leviathan with 3 Orbital Defense Systems active in 25-player mode.
10
Orbital Devastation (25 player)
Defeat Flame Leviathan with 2 Orbital Defense Systems active in 25-player mode.
10
Orbit-uary (25 player)
Defeat Flame Leviathan with 4 Orbital Defense Systems active in 25-player mode.
10
The Antechamber of Ulduar (25 player)
Defeat the bosses of The Antechamber area of Ulduar in 25-player mode.
10
The Descent into Madness (25 player)
Defeat the bosses of The Descent into Madness area of Ulduar in 25-player mode.
10
Conqueror of Ulduar
Defeat each boss in Ulduar in 25-player mode without allowing any raid member to die to that boss at any point during that raid lockout period.
10
In His House He Waits Dreaming (25 player)
Experience all 3 visions of Yogg-Saron's mind in 25-player mode.
10
Three Car Garage (25 player)
Defeat Flame Leviathan while in each of the following vehicles in 25-player mode.
10
The Siege of Ulduar (25 player)
Defeat the bosses of The Siege area of Ulduar in 25-player mode.
10