Blizzard has begun rolling out the promised World of Warcraft: Cataclysm class information. They offer new details on the Shaman, the Priest, the Warlock, the Warrior, and the Death Knight, with a separate article explaining: "in Cataclysm, death knights will have a dedicated tanking tree, much like the other three tank classes. That tree will be Blood." Still due over the rest of today are further details on the Rogue, Hunter, Druid, and Mage, while the final class preview for the Paladin will not come out until next week.