Make Quick Werk Of Him (10 player)
Defeat Patchwerk in Naxxramas in 3 minutes or less in 10-player mode.
10
Once Bitten, Twice Shy (25 player)
Defeat Blood-Queen Lana'thel once as a vampire and again without becoming a vampire in 25-player mode.
10
Boned (25 player)
Defeat Lord Marrowgar without any raid member remaining impaled for more than 8 seconds in 25-player mode.
10
The Crimson Hall (25 player)
Defeat the bosses of The Crimson Hall in Icecrown Citadel in 25-player mode.
10
The Plagueworks (25 player)
Defeat the bosses of The Plagueworks in Icecrown Citadel in 25-player mode.
10
Storming the Citadel (25 player)
Defeat the first four bosses in Icecrown Citadel in 25-player mode.
10
I've Gone and Made a Mess (25 player)
Defeat the Deathbringer before Mark of the Fallen Champion is cast five times in 25-player mode.
10
I'm on a Boat (25 player)
Claim victory in the Gunship Battle without any raid member visiting the enemy gunship more than once in 25-player mode.
10
The Frostwing Halls (10 player)
Defeat the bosses of The Frostwing Halls in Icecrown Citadel in 10-player mode.
10
The Crimson Hall (10 player)
Defeat the bosses of The Crimson Hall in Icecrown Citadel in 10-player mode.
10
The Plagueworks (10 player)
Defeat the bosses of The Plagueworks in Icecrown Citadel in 10-player mode.
10
Storming the Citadel (10 player)
Defeat the first four bosses in Icecrown Citadel in 10-player mode.
10
I've Gone and Made a Mess (10 player)
Defeat the Deathbringer before Mark of the Fallen Champion is cast three times in 10-player mode.
10
I'm on a Boat (10 player)
Claim victory in the Gunship Battle without any raid member visiting the enemy gunship more than twice in 10-player mode.
10
Boned (10 player)
Defeat Lord Marrowgar without any raid member remaining impaled for more than 8 seconds in 10-player mode.
10
Call of the Crusade (10 player)
Defeat every boss in the Trial of the Crusader in 10-player mode.
10