Beta

Defeat Sindragosa in 10-player mode without any member of your raid receiving more than 5 stacks of Mystic Buffet.

Defeat the bosses of The Frostwing Halls in Icecrown Citadel in 10-player mode.

Enter every portal spawned by Valithria Dreamwalker before healing her to full health in 10-player mode.

Defeat the bosses of The Crimson Hall in Icecrown Citadel in 10-player mode.

Defeat the Blood Council without anyone in the raid taking more than 23,000 spell damage in a single hit in 10-player mode.

Defeat Professor Putricide without using Regurgitated Ooze on the Abomination in 10-player mode.

Defeat the bosses of The Plagueworks in Icecrown Citadel in 10-player mode.

Defeat Rotface without a Big Ooze casting Unstable Ooze Explosion in 10-player mode.

Defeat Festergut while none of the players in your raid group ever had 3 stacks of Inoculated in 10-player mode.

Defeat every boss in Icecrown Citadel in 10-player mode.

Defeat Lady Deathwhisper with at least five different types of Cultists active at the time of her demise in 10-player mode.

Defeat Malygos in 6 minutes or less in 10-player mode.

Defeat Malygos with fewer than 9 in 10-player mode.

Defeat Malygos in 10-player mode.

Slay the leaders of the Horde.