Masters of the Universe: Revelation Skeletor's final assault on Castle Grayskull caused his own demise, while also putting an end to He-Man, and simultaneously damaging the source of all magic in existence. After their battle fractured Eternia, it's up to Teela to solve the mystery of the missing Sword of Power in a race against time to prevent the end of the Universe. Her journey will uncover the secrets of Grayskull at last.