Disarmed (10 player)
Destroy both of Kologarn's arms and then Kologarn himself within 12 seconds in 10-player mode.
10
13/02/23
Hot Pocket (10 player)
Survive being thrown into Ignis the Furnace Master's Slag Pot in 10-player mode.
10
13/02/23
Drive Me Crazy (10 player)
Defeat Yogg-Saron without any raid member going insane in 10-player mode.
10
28/01/23
The Secrets of Ulduar (10 player)
Defeat every boss in Ulduar in 10-player mode.
25
28/01/23
The Descent into Madness (10 player)
Defeat the bosses of The Descent into Madness area of Ulduar in 10-player mode.
10
28/01/23
The Keepers of Ulduar (10 player)
Defeat the Keeper bosses of Ulduar in 10-player mode.
10
28/01/23
Knock, Knock on Wood (10 player)
Defeat Freya while leaving at least 2 Elders alive in 10-player mode.
10
28/01/23
Knock on Wood (10 player)
Defeat Freya while leaving at least 1 Elder alive in 10-player mode.
10
28/01/23
Con-speed-atory (10 player)
Defeat Freya within 20 minutes of the first creature you kill in the Conservatory of Life in 10-player mode.
10
28/01/23
Knock, Knock, Knock on Wood (10 player)
Defeat Freya while leaving all 3 Elders alive in 10-player mode.
10
28/01/23
Lose Your Illusion (10 player)
Defeat Thorim while Sif is present in 10-player mode.
10
28/01/23
I'll Take You All On (10 player)
Defeat Thorim, the Ancient Rune Giant and the Runic Colossus in 10-player mode.
10
28/01/23
Siffed (10 player)
Force Thorim to enter the arena while Sif is present in 10-player mode.
10
28/01/23
I Have the Coolest Friends (10 player)
Defeat Hodir without any friendly NPC dying in 10-player mode.
10
28/01/23
Cheese the Freeze (10 player)
Defeat Hodir without any raid member being hit by Flash Freeze in 10-player mode.
10
28/01/23
I Could Say That This Cache Was Rare (10 player)
Defeat Hodir before he shatters his rare cache in 10-player mode.
10
28/01/23
Staying Buffed All Winter (10 player)
Possess the effects of Toasty Fire, Storm Power and Starlight at the same time in 10-player mode.
10
28/01/23
The Antechamber of Ulduar (10 player)
Defeat the bosses of The Antechamber area of Ulduar in 10-player mode.
10
28/01/23
I Choose You, Steelbreaker (10 player)
Defeat the Assembly of Iron with Steelbreaker as the last member alive in 10-player mode.
10
28/01/23
The Siege of Ulduar (10 player)
Defeat the bosses of The Siege area of Ulduar in 10-player mode.
10
28/01/23
Must Deconstruct Faster (10 player)
Defeat XT-002 Deconstructor in 205 seconds in 10-player mode.
10
28/01/23
Nerf Gravity Bombs (10 player)
Defeat XT-002 Deconstructor without any raid member dying from a Gravity Bomb in 10-player mode.
10
28/01/23
A Quick Shave (10 player)
Defeat Razorscale without allowing her to fly into the air more than once in 10-player mode.
10
28/01/23
Orbital Bombardment (10 player)
Defeat Flame Leviathan with at least 1 Orbital Defense System active in 10-player mode.
10
28/01/23
Take Out Those Turrets (10 player)
Destroy a Flame Leviathan Defense Turret in 10-player mode.
10
28/01/23
Three Lights in the Darkness (10 player)
Defeat Yogg-Saron with the assistance of three or fewer Keepers in 10-player mode.
10
Two Lights in the Darkness (10 player)
Defeat Yogg-Saron with the assistance of two or fewer Keepers in 10-player mode.
10
One Light in the Darkness (10 player)
Defeat Yogg-Saron with the assistance of one or fewer Keepers in 10-player mode.
10
Firefighter (10 player)
Defeat Mimiron after activating his Self-Destruct mechanism in 10-player mode.
10
Orbit-uary (10 player)
Defeat Flame Leviathan with all 4 Orbital Defense Systems active in 10-player mode.
10
Orbital Devastation (10 player)
Defeat Flame Leviathan with at least 2 Orbital Defense Systems active in 10-player mode.
10
Nuked from Orbit (10 player)
Defeat Flame Leviathan with at least 3 Orbital Defense Systems active in 10-player mode.
10
Stokin' the Furnace (10 player)
Defeat Ignis the Furnace Master in 4 minutes in 10-player mode.
10
Shutout (10 player)
Defeat Flame Leviathan without causing a System Shutdown in 10-player mode.
10
Set Up Us the Bomb (10 player)
Defeat Mimiron without anyone in the raid being hit by the following in 10-player mode.
10
Champion of Ulduar
Defeat each boss in Ulduar in 10-player mode without allowing any raid member to die to that boss at any point during that raid lockout period.
10