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
Boned (10 player)
Defeat Lord Marrowgar without any raid member remaining impaled for more than 8 seconds in 10-player mode.
10
Fall of the Lich King (25 player)
Defeat every boss in Icecrown Citadel in 25-player mode.
25
The Frozen Throne (25 player)
Defeat the Lich King in Icecrown Citadel in 25-player mode.
10
The Frostwing Halls (25 player)
Defeat the bosses of The Frostwing Halls in Icecrown Citadel 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
Heroic: Storming the Citadel (25 player)
Defeat the first four bosses in Icecrown Citadel in 25-player Heroic 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
Less Is More (25 player)
Defeat Sartharion the Onyx Guardian and the Twilight Drakes with fewer than 21 players in 25-player mode.
10
Besting the Black Dragonflight (25 player)
Defeat Sartharion the Onyx Guardian in 25-player mode.
25
Besting the Black Dragonflight (10 player)
Defeat Sartharion the Onyx Guardian in 10-player mode.
10
Gonna Go When the Volcano Blows (10 player)
Defeat Sartharion the Onyx Guardian without getting hit by Lava Strike in 10 player mode.
10
More Dots! (10 player)
Defeat Onyxia in less than 5 minutes in 10-player mode.
10
She Deep Breaths More (10 player)
Defeat Onyxia without anyone taking damage from a Deep Breath in 10-player mode.
10
Onyxia's Lair (10 player)
Defeat Onyxia in 10-player mode.
10
The Construct Quarter (10 player)
Defeat the bosses of The Construct Quarter of Naxxramas in 10-player mode.
10
Make Quick Werk Of Him (10 player)
Defeat Patchwerk in Naxxramas in 3 minutes or less in 10-player mode.
10
The Arachnid Quarter (10 player)
Defeat the bosses of The Arachnid Quarter of Naxxramas in 10-player mode.
10
Shutout (10 player)
Defeat Flame Leviathan without causing a System Shutdown in 10-player mode.
10
The Spellweaver's Downfall (10 player)
Defeat Malygos 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
Storming the Citadel (10 player)
Defeat the first four bosses in Icecrown Citadel 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
Onyxia's Lair (25 player)
Defeat Onyxia in 25-player mode.
10
Call of the Crusade (25 player)
Defeat every boss in the Trial of the Crusader in 25-player mode.
10