It's technology versus magic when Teela joins forces with He-Man and the other Masters in their quest to save Eternia from the grip of darkness. The new epic chapter in the battle for Castle Grayskull! The newly mechanized Skeletor, armed with the might of Motherboard, attacks the heart of Eternia while Prince Adam grapples with a new responsibility and what that means for him as He-Man! Adam is forced to choose between the scepter or the sword, and a life as either the King or the Champion! Meanwhile, the new Sorceress Teela searches for the secret of Snake Magic in the mists of Darksmoke to rebuild a magic realm and help He-Man hold off the greatest threat Eternia has ever faced: the return of the despot Hordak, the ruthless leader of the Horde Empire!