Lose Your Illusion (25 player)
Defeat Thorim while Sif is present in 25-player mode.
10
02/07/23
I Could Say That This Cache Was Rare (25 player)
Defeat Hodir before he shatters his rare cache in 25-player mode.
10
02/07/23
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
02/07/23
I Choose You, Steelbreaker (25 player)
Defeat the Assembly of Iron with Steelbreaker as the last member alive in 25-player mode.
10
02/07/23
The Antechamber of Ulduar (25 player)
Defeat the bosses of The Antechamber area of Ulduar in 25-player mode.
10
02/07/23
Heartbreaker (25 player)
Defeat XT-002 Deconstructor after destroying his heart in 25-player mode.
10
02/07/23
The Siege of Ulduar (25 player)
Defeat the bosses of The Siege area of Ulduar in 25-player mode.
10
02/07/23
Nerf Gravity Bombs (25 player)
Defeat XT-002 Deconstructor without any raid member dying from a Gravity Bomb in 25-player mode.
10
02/07/23
Nerf Engineering (25 player)
Defeat XT-002 Deconstructor without him recovering any health from XS-013 Scrapbots in 25-player mode.
10
02/07/23
A Quick Shave (25 player)
Defeat Razorscale without allowing her to fly into the air more than once in 25-player mode.
10
02/07/23
Stokin' the Furnace (25 player)
Defeat Ignis the Furnace Master in 4 minutes in 25-player mode.
10
02/07/23
Orbital Devastation (25 player)
Defeat Flame Leviathan with 2 Orbital Defense Systems active in 25-player mode.
10
02/07/23
Nuked from Orbit (25 player)
Defeat Flame Leviathan with 3 Orbital Defense Systems active in 25-player mode.
10
02/07/23
Orbital Bombardment (25 player)
Defeat Flame Leviathan with 1 Orbital Defense System active in 25-player mode.
10
02/07/23
Orbit-uary (25 player)
Defeat Flame Leviathan with 4 Orbital Defense Systems active in 25-player mode.
10
02/07/23
Dwarfageddon (25 player)
Destroy 100 Steelforged Defenders in 10 seconds on the Ulduar gauntlet in 25-player mode.
10
02/07/23
I'll Take You All On (25 player)
Defeat Thorim, the Ancient Rune Giant and the Runic Colossus in 25-player mode.
10
26/06/23
Siffed (25 player)
Force Thorim to enter the arena while Sif is present in 25-player mode.
10
26/06/23
I Have the Coolest Friends (25 player)
Defeat Hodir without any friendly NPC dying in 25-player mode.
10
26/06/23
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
26/06/23
Disarmed (25 player)
Destroy both of Kologarn's arms and then Kologarn himself within 12 seconds in 25-player mode.
10
26/06/23
The Keepers of Ulduar (25 player)
Defeat the Keeper bosses of Ulduar in 25-player mode.
10
The Secrets of Ulduar (25 player)
Defeat every boss in Ulduar in 25-player mode.
25
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