By accessing a Level 2 Enemy Castle Heart you may spend Level 2 Castle Keys to trigger different actions.
Disable Defences
Spend 1 Key to disable enemy walls, doors, waygates and coffins.
Available on standard PvP Settings
Destroy Castle
Spend 1 Key to permanently destroy the castle.
Available on merciless PvP Settings
Claim Castle
Spend 3 Keys to seize control of the castle.
Available on merciless PvP Settings
Teleport BoundConsumed on UseSalvageable