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Defeat Loken in the Halls of Lightning on Heroic Difficulty in 2 minutes or less.

Complete the Northrend Heroic dungeon achievements listed below.

Defeat the Halls of Lightning bosses on Heroic Difficulty.

Defeat Volkhan in the Halls of Lightning on Heroic Difficulty without allowing him to shatter more than 4 Brittle Golems.

Defeat General Bjarngrim in the Halls of Lightning on Heroic Difficulty while he has a Temporary Electrical Charge.

Complete the Northrend dungeon achievements listed below.

Defeat the boss encounters in the Halls of Stone on Heroic Difficulty.

Defeat the boss encounters in Halls of Stone.

Defeat the Tribunal of Ages encounter in the Halls of Stone on Heroic Difficulty without allowing Brann Bronzebeard to take any damage.

Defeat the Maiden of Grief in the Halls of Stone on Heroic Difficulty in 1 minute or less.

Defeat Keristrasza in The Nexus on Heroic Difficulty without allowing Intense Cold to reach more than two stacks.

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

Defeat Sapphiron in Naxxramas in 25-player mode.

Defeat the bosses of The Construct Quarter of Naxxramas in 25-player mode.

Defeat the bosses of The Military Quarter of Naxxramas in 25-player mode.