Perhaps the most important addition to the game is something called "Battlefields": randomly generated alternate universes that can be successively accessed act to act, from anywhere in the main game. Stuck on some insidious puzzle? Wits fried by some impossible-to-beat beasty? Slip over to one of these pocket dimensions and you can trade with the well-stocked locales and take up mini-quests that plunge you into dungeons where you can accumulate extra experience and loot. Aside from making the game highly replayable, the genius of this approach is its simple variety, preventing epic burnout by letting you blow off steam in mindless McDungeon crawls.​