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Defeat the bosses of The Plague Quarter of Naxxramas in 10-player mode.

Defeat the bosses of The Arachnid Quarter of Naxxramas in 10-player mode.

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

Defeat the boss encounters in Halls of Stone.

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 Jedoga Shadowseeker in Ahn'kahet on Heroic Difficulty without killing any Twilight Volunteers.

Defeat Archavon the Stone Watcher in 10 player mode.

Complete the Northrend Heroic dungeon achievements listed below.

Defeat the Utgarde Pinnacle bosses on Heroic Difficulty.

Defeat the bosses in Utgarde Pinnacle.

Defeat Cyanigosa in The Violet Hold without using Defense Control Crystals and with Prison Seal Integrity at 100% while in Heroic Difficulty.

Defeat Cyanigosa in The Violet Hold on Heroic Difficulty.

Loot 50 Stone Keeper's Shards.

Defeat The Nexus bosses on Heroic Difficulty.