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Defeat Salyis's Warband in Valley of the Four Winds.

Defeat one of the Isle of Thunder summonable bosses listed below.

Defeat Maloriak in Blackwing Descent on Heroic Difficulty.

Defeat the Omnotron Defense System in Blackwing Descent on Heroic Difficulty.

Defeat Magmaw in Blackwing Descent without anyone in the raid becoming infected with a parasite.

Defeat Magmaw in Blackwing Descent on Heroic Difficulty.

Complete the 10-player raid achievements listed below.

Allow Necrotic Plague to stack to 30 before defeating the Lich King in 10-player mode.

Defeat Cho'gall in the Bastion of Twilight before any raid member earns more than 30% Corrupted Blood.

Defeat the Elementium Monstrosity in the Bastion of Twilight while only allowing it to create a single Liquid Ice patch.

Defeat the Ascendant Council in the Bastion of Twilight on Heroic Difficulty.

Kill 6 Twilight Fiends in the Twilight Realm and then defeat Valiona and Theralion in the Bastion of Twilight.

Defeat Algalon the Observer in 25-player mode.

Defeat the Assembly of Iron with Steelbreaker as the last member alive in 25-player mode.

Defeat XT-002 Deconstructor after destroying his heart in 25-player mode.