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
06/08/23
Three Lights in the Darkness (25 player)
Defeat Yogg-Saron with the assistance of three or fewer Keepers in 25-player mode.
10
28/07/23
He's Not Getting Any Older (25 player)
Defeat Yogg-Saron within 7 minutes in 25-player mode.
10
28/07/23
The Descent into Madness (25 player)
Defeat the bosses of The Descent into Madness area of Ulduar in 25-player mode.
10
28/07/23
The Secrets of Ulduar (25 player)
Defeat every boss in Ulduar in 25-player mode.
25
28/07/23
Two Lights in the Darkness (25 player)
Defeat Yogg-Saron with the assistance of two or fewer Keepers in 25-player mode.
10
28/07/23
One Light in the Darkness (25 player)
Defeat Yogg-Saron with the assistance of one or fewer Keepers in 25-player mode.
10
28/07/23
I Love the Smell of Saronite in the Morning (25 player)
Defeat General Vezax after defeating the Saronite Animus in 25-player mode.
10
28/07/23
Lose Your Illusion (25 player)
Defeat Thorim while Sif is present in 25-player mode.
10
28/07/23
Observed (25 player)
Defeat Algalon the Observer in 25-player mode.
10
28/07/23
Staying Buffed All Winter (25 player)
Possess the effects of Toasty Fire, Storm Power and Starlight at the same time in 25-player mode.
10
04/02/23
Must Deconstruct Faster (25 player)
Defeat XT-002 Deconstructor in 205 seconds in 25-player mode.
10
04/02/23
The Keepers of Ulduar (25 player)
Defeat the Keeper bosses of Ulduar in 25-player mode.
10
28/01/23
Siffed (25 player)
Force Thorim to enter the arena while Sif is present in 25-player mode.
10
28/01/23
I Choose You, Runemaster Molgeim (25 player)
Defeat the Assembly of Iron with Runemaster Molgeim as the last member alive in 25-player mode.
10
28/01/23
Con-speed-atory (25 player)
Defeat Freya within 20 minutes of the first creature you kill in the Conservatory of Life in 25-player mode.
10
21/01/23
I'll Take You All On (25 player)
Defeat Thorim, the Ancient Rune Giant and the Runic Colossus in 25-player mode.
10
21/01/23
I Have the Coolest Friends (25 player)
Defeat Hodir without any friendly NPC dying in 25-player mode.
10
21/01/23
The Antechamber of Ulduar (25 player)
Defeat the bosses of The Antechamber area of Ulduar in 25-player mode.
10
21/01/23
I Choose You, Stormcaller Brundir (25 player)
Defeat the Assembly of Iron with Stormcaller Brundir as the last member alive in 25-player mode.
10
21/01/23
Nerf Engineering (25 player)
Defeat XT-002 Deconstructor without him recovering any health from XS-013 Scrapbots in 25-player mode.
10
21/01/23
The Siege of Ulduar (25 player)
Defeat the bosses of The Siege area of Ulduar in 25-player mode.
10
21/01/23
Nerf Gravity Bombs (25 player)
Defeat XT-002 Deconstructor without any raid member dying from a Gravity Bomb in 25-player mode.
10
21/01/23
A Quick Shave (25 player)
Defeat Razorscale without allowing her to fly into the air more than once in 25-player mode.
10
21/01/23
Hot Pocket (25 player)
Survive being thrown into Ignis the Furnace Master's Slag Pot in 25-player mode.
10
21/01/23
Shutout (25 player)
Defeat Flame Leviathan without causing a System Shutdown in 25-player mode.
10
21/01/23
Set Up Us the Bomb (25 player)
Defeat Mimiron without anyone in the raid being hit by the following 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
Drive Me Crazy (25 player)
Defeat Yogg-Saron without any raid member going insane 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
Firefighter (25 player)
Defeat Mimiron after activating his Self-Destruct mechanism in 25-player mode.
10
Iron Dwarf, Medium Rare (25 player)
Defeat 25 Dark Rune Guardian Dwarves with Razorscale's Flame Breath 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
Knock on Wood (25 player)
Defeat Freya while leaving at least 1 Elder alive in 25-player mode.
10
Who Needs Bloodlust? (25 player)
Defeat Thorim while under the effect of Aura of Celerity in 25-player mode.
10
Stokin' the Furnace (25 player)
Defeat Ignis the Furnace Master in 4 minutes in 25-player mode.
10
Orbital Bombardment (25 player)
Defeat Flame Leviathan with 1 Orbital Defense System active in 25-player mode.
10
Orbital Devastation (25 player)
Defeat Flame Leviathan with 2 Orbital Defense Systems active in 25-player mode.
10