I found the rarest item in World of Warcraft after over 3.5+ years of running Uldaman! PENDULUM OF DOOM! - 2,000 runs on retail & 292 runs on Classic WoW has led
Emperor Dagran Thaurissan - PNG - World of Warcraft Classico
Blackrock Depths - Zone - Classic World of Warcraft
Blackrock Depths - Wowpedia - Your wiki guide to the World of Warcraft
After more wipes in Vanilla than I can count and never finishing the instance, me and my friend (his first time in WoW) finally conquered the longest dungeon WoW has ever seen. :