If Blizzard learned one clear lesson from its last World of Warcraft expansion, it’s that you can’t go home again. Cataclysm is fueled by nostalgia, dragging us back to a world we loved when both we and the MMORPG genre were young, but the effect was like that of well-meaning friends dragging us off to all-night ’80s theme parties. In small doses, the outdated settings coax out a smile and jog a few good memories, but taken in excess, we leave wondering what we found so appealing about glam bands in the first place. With Mists of Pandaria, though, Blizzard reveals an understanding that WoW must remain on the move to retain its charm. It stays as far away from the old world as possible, returning only for visits to the auction houses in faction cities and three level 90 dungeons based on classic favorites. The approach works, especially since we’re forced to experience this new world on land mounts until Level 90.