Storming the Citadel (25 player)
Defeat the first four bosses in Icecrown Citadel in 25-player mode.
- Lord Marrowgar
- Lady Deathwhisper
- Claim victory in the Gunship Battle
- The Deathbringer
The Plagueworks (25 player)
Defeat the bosses of The Plagueworks in Icecrown Citadel in 25-player mode.
- Festergut
- Rotface
- Professor Putricide
The Crimson Hall (25 player)
Defeat the bosses of The Crimson Hall in Icecrown Citadel in 25-player mode.
- Defeat the Blood Prince Council
- Defeat Blood-Queen Lana'thel
The Frostwing Halls (25 player)
Defeat the bosses of The Frostwing Halls in Icecrown Citadel in 25-player mode.
- Rescue Valithiria Dreamwalker
- Sindragosa
The Frozen Throne (25 player)
Defeat the Lich King in Icecrown Citadel in 25-player mode.
- The Lich King
Fall of the Lich King (25 player)
Defeat every boss in Icecrown Citadel in 25-player mode.
- Storming the Citadel (25 player)
- The Plagueworks (25 player)
- The Crimson Hall (25 player)
- The Frostwing Halls (25 player)
- The Frozen Throne (25 player)
Boned (25 player)
Defeat Lord Marrowgar without any raid member remaining impaled for more than 8 seconds in 25-player mode.
Full House (25 player)
Defeat Lady Deathwhisper with at least five different types of Cultists active at the time of her demise in 25-player mode.
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.
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.
Dances with Oozes (25 player)
Defeat Rotface without a Big Ooze casting Unstable Ooze Explosion in 25-player mode.
Flu Shot Shortage (25 player)
Defeat Festergut while none of the players in your raid group ever had 3 stacks of Inoculated in 25-player mode.
Nausea, Heartburn, Indigestion... (25 player)
Defeat Professor Putricide without using Regurgitated Ooze on the Abomination in 25-player mode.
The Orb Whisperer (25 player)
Defeat the Blood Council without anyone in the raid taking more than 25,000 spell damage in a single hit in 25-player mode.
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.
- Defeat Blood-Queen Lana'thel without becoming a vampire
- Defeat Blood-Queen Lana'thel while a vampire
Portal Jockey (25 player)
Enter every portal spawned by Valithria Dreamwalker before healing her to full health in 25-player mode.
All You Can Eat (25 player)
Defeat Sindragosa in 25-player mode without any member of your raid receiving more than 5 stacks of Mystic Buffet.
Been Waiting a Long Time for This (25 player)
Allow Necrotic Plague to stack to 30 before defeating the Lich King in 25-player mode.
Neck-Deep in Vile (25 player)
Kill every Vile Spirit that spawns before it explodes and then defeat the Lich King in 25-player mode.