The item had a chance to drop off the unique Dark Cultist mages (and one Hellion): * Cadhul the Deathcaller (Southern Highlands) * Urik the Seer (Khazra Den) * Jezeb the Conjurer (Leorics manor) * Krailen the Wicked (Leoric's Manor) * Yeth (Road to Alcarnus) * Shondar the Invoker (Road to Alcarnus) * Pontius (Westmarch Commons)