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Defeat Onyxia in 25-player mode.

Defeat all of the champions of Hellfire Citadel in Tanaan Jungle.

Defeat Erudax without letting a Faceless Corruptor begin to cast Twilight Corruption on any of Alexstrasza's Eggs in Grim Batol on Heroic Difficulty.

Defeat Erudax in Grim Batol on Heroic Difficulty.

Defeat Erudax in Grim Batol.

Collect 35 Heirlooms.

Defeat Murmur.

Kill every Vile Spirit that spawns before it explodes and then defeat the Lich King in 25-player mode.

Defeat the Lich King in Icecrown Citadel in 25-player mode.

Defeat the Lich King in Icecrown Citadel in 25-player Heroic mode.

Defeat Sindragosa in 25-player mode without any member of your raid receiving more than 5 stacks of Mystic Buffet.

Defeat the bosses of The Crimson Hall in Icecrown Citadel in 25-player Heroic mode.

Defeat the bosses of The Crimson Hall in Icecrown Citadel in 25-player mode.

Defeat the Blood Council without anyone in the raid taking more than 25,000 spell damage in a single hit in 25-player mode.

Defeat the bosses of The Plagueworks in Icecrown Citadel in 25-player Heroic mode.