Knock, Knock, Knock on Wood (25 player)
Defeat Freya while leaving all 3 Elders alive in 25-player mode.
05/02/2014
With Open Arms (25 player)
Defeat Kologarn without destroying either of his arms in 25-player mode.
05/02/2014
I Choose You, Runemaster Molgeim (25 player)
Defeat the Assembly of Iron with Runemaster Molgeim as the last member alive in 25-player mode.
05/02/2014
Nerf Engineering (25 player)
Defeat XT-002 Deconstructor without him recovering any health from XS-013 Scrapbots in 25-player mode.
05/02/2014
The Descent into Madness (25 player)
Defeat the bosses of The Descent into Madness area of Ulduar in 25-player mode.
04/28/2014
Drive Me Crazy (25 player)
Defeat Yogg-Saron without any raid member going insane in 25-player mode.
04/28/2014
He's Not Getting Any Older (25 player)
Defeat Yogg-Saron within 7 minutes in 25-player mode.
04/28/2014
Alone in the Darkness (25 player)
Defeat Yogg-Saron without the assistance of any Keepers in 25-player mode.
04/28/2014
I Love the Smell of Saronite in the Morning (25 player)
Defeat General Vezax after defeating the Saronite Animus in 25-player mode.
04/26/2014
The Keepers of Ulduar (25 player)
Defeat the Keeper bosses of Ulduar in 25-player mode.
04/26/2014
Firefighter (25 player)
Defeat Mimiron after activating his Self-Destruct mechanism in 25-player mode.
04/26/2014
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.
04/26/2014
Getting Back to Nature (25 player)
Defeat Freya while she is affected by 25 stacks of Attuned to Nature in 25-player mode.
04/26/2014
I'll Take You All On (25 player)
Defeat Thorim, the Ancient Rune Giant and the Runic Colossus in 25-player mode.
04/26/2014
Lose Your Illusion (25 player)
Defeat Thorim while Sif is present in 25-player mode.
04/26/2014
Siffed (25 player)
Force Thorim to enter the arena while Sif is present in 25-player mode.
04/26/2014
The Antechamber of Ulduar (25 player)
Defeat the bosses of The Antechamber area of Ulduar in 25-player mode.
04/26/2014
Cheese the Freeze (25 player)
Defeat Hodir without any raid member being hit by Flash Freeze in 25-player mode.
04/26/2014
I Have the Coolest Friends (25 player)
Defeat Hodir without any friendly NPC dying in 25-player mode.
04/26/2014
I Could Say That This Cache Was Rare (25 player)
Defeat Hodir before he shatters his rare cache in 25-player mode.
04/26/2014
I Choose You, Steelbreaker (25 player)
Defeat the Assembly of Iron with Steelbreaker as the last member alive in 25-player mode.
04/26/2014
Must Deconstruct Faster (25 player)
Defeat XT-002 Deconstructor in 205 seconds in 25-player mode.
04/26/2014
Heartbreaker (25 player)
Defeat XT-002 Deconstructor after destroying his heart in 25-player mode.
04/26/2014
Stokin' the Furnace (25 player)
Defeat Ignis the Furnace Master in 4 minutes in 25-player mode.
04/26/2014
Unbroken (25 player)
Defeat Flame Leviathan on the first try without anyone repairing their vehicle in 25-player mode.
04/26/2014
Orbit-uary (25 player)
Defeat Flame Leviathan with 4 Orbital Defense Systems active in 25-player mode.
04/26/2014
A Quick Shave (10 player)
Defeat Razorscale without allowing her to fly into the air more than once in 10-player mode.
06/25/2010
The Siege of Ulduar (25 player)
Defeat the bosses of The Siege area of Ulduar in 25-player mode.
09/12/2009
Shattered (25 player)
Defeat Ignis the Furnace Master after shattering 2 Iron Constructs within 5 seconds in 25-player mode.
09/12/2009
Hot Pocket (25 player)
Survive being thrown into Ignis the Furnace Master's Slag Pot in 25-player mode.
08/10/2009
Nerf Gravity Bombs (25 player)
Defeat XT-002 Deconstructor without any raid member dying from a Gravity Bomb in 25-player mode.
08/07/2009
Shutout (25 player)
Defeat Flame Leviathan without causing a System Shutdown in 25-player mode.
08/07/2009
Staying Buffed All Winter (10 player)
Possess the effects of Toasty Fire, Storm Power and Starlight at the same time in 10-player mode.
08/03/2009
I'll Take You All On (10 player)
Defeat Thorim, the Ancient Rune Giant and the Runic Colossus in 10-player mode.
08/03/2009
Nerf Engineering (10 player)
Defeat XT-002 Deconstructor without him recovering any health from XS-013 in 10-player mode.
05/31/2009
Nerf Gravity Bombs (10 player)
Defeat XT-002 Deconstructor without any raid member dying from a Gravity Bomb in 10-player mode.
05/31/2009
Shutout (10 player)
Defeat Flame Leviathan without causing a System Shutdown in 10-player mode.
04/20/2009