Anub'arak is the fifth and final boss of the Trial of the Crusader, an instance in the Crusaders' Coliseum. Anub'arak has returned from his freedom of undeath by the Lich Kings power of reanimation. He is now bigger, stronger, deadlier and faster along with being imbuded with frost power to slay the champions that defeat the invading Twin Val'kyr sisters. He has an enrage timer of 10 minutes.