Beta

With at least one Twilight Drake still alive, engage and defeat Sartharion the Onyx Guardian in 10-player mode.

Defeat Sartharion the Onyx Guardian in 10-player mode.

Defeat Acidmaw and Dreadscale within 10 seconds of each other in 10-player mode.

Defeat Yogg-Saron with the assistance of one or fewer Keepers in 10-player mode.

Defeat Yogg-Saron with the assistance of three or fewer Keepers in 10-player mode.

Defeat Yogg-Saron with the assistance of two or fewer Keepers in 10-player mode.

Defeat Yogg-Saron within 7 minutes in 10-player mode.

Defeat Yogg-Saron without any raid member going insane in 10-player mode.

Defeat every boss in Ulduar in 10-player mode.

Defeat the bosses of The Descent into Madness area of Ulduar in 10-player mode.

Defeat Algalon the Observer in 10-player mode.

Defeat Krik'thir the Gatewatcher in Azjol-Nerub on Heroic Difficulty while Watcher Gashra, Watcher Narji, and Watcher Silthik are still alive.

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.

Obtain a Mask during Hallow's End.