Waiting atop the Castle of Darkness is the Dark Emperor, an ancient evil that works to swallow up all the light in the world and plunge it into darkness, masterminding the capture of the royal family in Find Mii II. It poses quite the challenge to any hero that might stand against it, and that means in Smash, too! As a boss on the Find Mii stage, it can use magic to change player stats or destroy parts of the battlefield.