Beta

Defeat Anub'arak in the Trial of the Crusader on Heroic mode while in a guild group.

Defeat Yogg-Saron without the assistance of any Keepers while in a guild group.

Defeat Algalon the Observer while in a guild group.

Defeat the Lich King on Heroic mode in Icecrown Citadel while in a guild group.

With all three Twilight Drakes still alive, engage and defeat Sartharion the Onyx Guardian while in a guild group.

Defeat Archimonde in The Battle for Mount Hyjal while in a guild group.

Defeat Illidan Stormrage in The Black Temple while in a guild group.

Defeat Magtheridon in Magtheridon's Lair while in a guild group.

Defeat Lady Vashj in Serpentshrine Cavern while in a guild group.

Defeat Gruul the Dragonkiller in Gruul's Lair while in a guild group.

Defeat Kael'thas Sunstrider in Tempest Keep while in a guild group.

Defeat Warp Splinter on Heroic Difficulty while in a guild group.

Complete the heroic Burning Crusade dungeon achievements listed below while in a guild group.

Defeat Pathaleon the Calculator on Heroic Difficulty while in a guild group.

Defeat The Black Stalker on Heroic Difficulty while in a guild group.