Six years of hard work. Hundreds of thousands of man hours. Twelve million subscribers who have spent billions of hours hacking, slashing, grinding, looting, and every other vaguely dirty term you can think of. So, how do you follow that? “Blow it all up,” says Blizzard. “And use a dragon.” The end result? A total reinvention of World of Warcraft that’ll have you hooked from the first second and keep you there for—oh—a couple hundred more hours. At least.