Prince Adam was an ordinary, blissful teenager until the Sorceress of Grayskull give him a Power Sword that turns him into an muscle bound dimwitted powerful man in the universe, He-Man! He, Cranger now transformed into the mighty Battlecat, Keyblade wielder, Atem, his friends, Teela, Man-At-Arms, Orko, Ram-Man and the other Heroic Warriors team up to stop the evil Skeletor and the Evil Warriors: Evil-Lyn, Trap Jaw, Tri-Klops, Beast Man, Mer-Man and Faker from taking control of Eternia and Castle Grayskull. Not the Earth one
