Many a cruel act he committed but none so cold as the slaughter of the clerics of Karabor.$B$BAfter Gul'dan's Horde defeated the draenei of Karabor, the surviving clerics of Karabor were marched out, told that they were to be taken to Hellfire Citadel as prisoners of war.$B$BGorefiend, not yet a death knight, murdered each and every last one of them in cold blood. They now roam in front of the Black Temple with vengeance in their hearts.$B$BIt is the clerics of Karabor that hold the cloak of Gorefiend.