By the power of Eternia! In the future, on an endangered planet, the story of the most powerful man in the universe locked in battle with his ever-present enemy the lord of destruction continues. The battle for Primus takes an unexpected turn when Skeletor and the Mutants make their presence felt on the planet Necron, sparking a war between the peace-loving Mytes and the war-like Gleanons!The Mytes aided by the Galactic Guardians attempt to prevent the Gleanons from conquering Necron. Good against evil, the battle will reach its thrilling conclusion in the most spectacular manner, with He-Man and his allies now fighting a war across two planets! The final chapter in the life of the most powerful man in the universe is about to begin...