"The Halls of Origination in Uldum is a level-85 five-player dungeon available in World of Warcraft: Cataclysm, featuring an unparalleled journey through the timeless titan construction and seven unique boss fights. Hidden deep within its halls lies an ancient treasure that, if placed in the wrong hands, could endanger all life on Azeroth. Should players survive the perils of Uldum, they will be called to help Brann Bronzebeard unlock the mysteries within these treacherous titan halls and protect the titans' ancient secrets."
World of Warcraft: Cataclysm will destroy Azeroth as we know it. Nothing will be the same. In WoW.com's Guide to Cataclysm you can find out everything you need to know about WoW's third expansion. From Goblins and Worgens to Mastery and Guild changes, it's all there for your cataclysmic enjoyment.