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Defeat Magmaw in Blackwing Descent on Heroic Difficulty.

Trigger 15 explosions within 15 seconds during the Saboteur Kip'tilak encounter in Gate of the Setting Sun on Heroic Difficulty.

Defeat Yogg-Saron in Ulduar without any raid member going insane.

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

Allow Necrotic Plague to stack to 30 before defeating the Lich King in 25-player mode.

Complete the 25-player raid achievements listed below.

Defeat Cho'gall in the Bastion of Twilight on Heroic Difficulty.

Defeat Commander Vo'jak after having killed the Sik'thik Amberwing in Siege of Niuzao Temple on Heroic Difficulty.

Defeat Al'Akir in the Throne of the Four Winds while he is affected by Feedback.

Defeat Al'Akir in the Throne of the Four Winds on Heroic Difficulty.

Defeat the bosses in Throne of the Four Winds.

Defeat the Conclave of Wind in the Throne of the Four Winds on Heroic Difficulty.

Defeat every boss in Icecrown Citadel in 25-player Heroic mode.

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

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