The Witch-king's Sanctum is the final upgrade for the Angmar Fortress, requiring Ice Walls to be already purchased. The Sanctum appears as the apex of Carn Dum, and with the Witch-king's sorcery, the Sanctum enables a freezing avalanche-like strike (called "Winter's Wrath") to be brought upon foes in a selected area.

Cost: 2500

Witch King of Angmar Forces of Angmar ThrallMaster

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