WoWDB

Progress on this achievement is shared account wide.

Defeat every boss in Icecrown Citadel in 25-player Heroic mode.

Criteria

• Heroic: Storming the Citadel (25 player)
• Heroic: The Plagueworks (25 player)
• Heroic: The Crimson Hall (25 player)
• Heroic: The Frostwing Halls (25 player)
• The Light of Dawn

Series

1. Fall of the Lich King (25 player)

2. Heroic: Fall of the Lich King (25 player)