Beta

Defeat Festergut while none of the players in your raid group ever had 3 stacks of Inoculated in 25-player mode.

Defeat Rotface without a Big Ooze casting Unstable Ooze Explosion in 25-player mode.

Defeat Kel'Thuzad in Naxxramas while killing at least 18 abominations in his chamber in 25-player mode.

Defeat Loatheb in Naxxramas without killing any spores in 25-player mode.

Defeat Sartharion the Onyx Guardian and the Twilight Drakes with fewer than 21 players in 25-player mode.

Defeat Occu'thar.

Defeat Yogg-Saron with the assistance of three or fewer Keepers in 25-player mode.

Defeat Yogg-Saron without any raid member going insane in 25-player mode.

Defeat every boss in Ulduar in 25-player mode.

Defeat the bosses of The Descent into Madness area of Ulduar in 25-player mode.

Defeat General Vezax without any raid member being hit by Shadow Crash in 25-player mode.

Defeat the Keeper bosses of Ulduar in 25-player mode.

Defeat Thorim without any raid member being struck by Lightning Charge in 25-player mode.

Defeat Auriaya without destroying her Sanctum Sentries in 25-player mode.

Defeat the bosses of The Antechamber area of Ulduar in 25-player mode.