Defeat Krik'thir the Gatewatcher in Azjol-Nerub on Heroic Difficulty while Watcher Gashra, Watcher Narji, and Watcher Silthik are still alive.
Azjol-Nerub
ID 1296
Criteria
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✦ Wrath of the Lich King 3.3.5a ✦
306 in the world