Beta

Defeat Kel'Thuzad in Naxxramas while killing at least 18 abominations in his chamber while in a guild group.

Complete the Northrend raid achievements listed below while in a guild group.

Defeat Mal'Ganis on Heroic Difficulty while in a guild group.

Defeat Loken on Heroic Difficulty while in a guild group.

Defeat Cyanigosa in The Violet Hold on Heroic Difficulty while in a guild group.

Defeat The Tribunal of Ages the Halls of Stone on Heroic Difficulty while in a guild group.

Defeat The Prophet Tharon'ja on Heroic Difficulty while in a guild group.

Defeat Ley-Guardian Eregos on Heroic Difficulty while in a guild group.

Defeat Keristrasza on Heroic Difficulty while in a guild group.

Defeat Herald Volazj on Heroic Difficulty while in a guild group.

Defeat Anub'arak on Heroic Difficulty while in a guild group.

Defeat King Ymiron on Heroic Difficulty while in a guild group.

Defeat Ingvar the Plunderer on Heroic Difficulty while in a guild group.

Complete 50 guild challenges.

Defeat Harbinger Skyriss on Heroic Difficulty while in a guild group.