The war for Eternia begins again in what may be the final battle between He-Man and Skeletor. Later, 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!. 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!