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Defeat the bosses of The Plagueworks in Icecrown Citadel in 10-player Heroic mode.

Defeat Professor Putricide without using Regurgitated Ooze on the Abomination in 10-player mode.

Defeat the bosses of The Plagueworks in Icecrown Citadel in 10-player mode.

Defeat Festergut while none of the players in your raid group ever had 3 stacks of Inoculated in 10-player mode.

Defeat Rotface without a Big Ooze casting Unstable Ooze Explosion in 10-player mode.

Defeat the first four bosses in Icecrown Citadel in 10-player Heroic mode.

Defeat the Deathbringer before Mark of the Fallen Champion is cast three times in 10-player mode.

Defeat the first four bosses in Icecrown Citadel in 10-player mode.

Claim victory in the Gunship Battle without any raid member visiting the enemy gunship more than twice in 10-player mode.

Defeat Lord Marrowgar without any raid member remaining impaled for more than 8 seconds in 10-player mode.

Defeat Kil'jaeden in Sunwell Plateau.

Defeat Ultraxion in Dragon Soul on Heroic Difficulty.

Defeat Ultraxion in Dragon Soul on Normal or Heroic Difficulty without any raid member being hit by Hour of Twilight more than once.

Defeat Hagara the Stormbinder in Dragon Soul on Heroic Difficulty.

Defeat Yor'sahj the Unsleeping in Dragon Soul on Heroic Difficulty.