WoWDB

Progress on this achievement is shared account wide.

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

Criteria

• Storming the Citadel
• The Plagueworks
• The Crimson Hall
• The Frostwing Halls
• The Frozen Throne

Series

1. Fall of the Lich King (10 player)

2. Heroic: Fall of the Lich King (10 player)