He-Man and the Masters of the Universe powers to defend Eternia from the evil forces of Skeletor. Skeletor's main goal is to conquer the mysterious fortress of Castle Grayskull, from which He-Man draws his powers. If successful, Skeletor would have enough power to rule all of Eternia and possibly the entire universe. The Mattel company released the original He-Man action figure in 1982; the franchise backstory was developed by the Filmation animation studio. On 1 December 1982, Michael Halperin wrote a "series bible". Some time after, both firms pitched the idea to the ABC network, who turned it down. The resulting series, "He-Man and the Masters of
He-Man/ThunderCats has won and only needs He-Man's Sword of Power to unlock the orb and gain the power to control reality throughout the Multiverse. He-Man and Lion-O attack but realize that they need to get the orb and the Sword away from Mummator. Lion-O says that since the Castle is a nexus of realities they can use it to get Mummator away from the orb. Together the heroes push Mummator off an edge and the three plunge downward only to land in an Eternia that is controlled by Mummator. Taking advantage of Mummator's confusion He-Man gets the orb and he and