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The Antechamber of Ulduar (25 player)

From WoWWiki

The Antechamber of Ulduar (25 player) 10 Achievement points
Defeat the bosses of The Antechamber area of Ulduar in 25-player mode.
Criteria:

The Antechamber of Ulduar is an end game raid achievement. Completing this achievement is criteria for the meta achievement  Heroic: The Secrets of Ulduar.

Location

The Combat Assembly of Iron, Combat Kologarn and Combat Auriaya are all located within The Antechamber of Ulduar.

See also