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Defeat the first four bosses in Icecrown Citadel in 25-player Heroic mode.

Defeat the Deathbringer before Mark of the Fallen Champion is cast five times in 25-player mode.

Defeat the first four bosses in Icecrown Citadel in 25-player mode.

Claim victory in the Gunship Battle without any raid member visiting the enemy gunship more than once in 25-player mode.

Defeat Onyxia without anyone taking damage from a Deep Breath in 10-player mode.

Defeat Onyxia in less than 5 minutes in 10-player mode.

Defeat Onyxia in 10-player mode.

Complete one of the quests to save a village from the Headless Horseman.

Defeat Gruul the Dragonkiller in Gruul's Lair.

Defeat Magtheridon in Magtheridon's Lair.

Eat so many Tricky Treats that you get an upset tummy.

Defeat the bosses of Naxxramas with less than 21 people in the zone in 25-player mode.

Defeat every boss in Naxxramas in 25-player mode.

Defeat Kel'Thuzad in Naxxramas in 25-player mode.

Defeat Sapphiron in Naxxramas without any member of the raid having a frost resist value over 100 in 25-player mode.