He-Man/ThunderCats defeated villains and Cringer runs into He-Man's arms thrilled his best friend is alive. The three rush back to the ship desperate to get back to Eternia before it is too late. The four Ancient Spirits of Evil have arrived on the doorstep of Castle Grayskull while Skeletor and Mumm-Ra look on. Randor has assembled an army alongside the Thundercats and the combined heroes attack the giants. Man-At-Arms, Tygra, and Panthro assemble a cannon of combined Eternian and Thundarian tech to attack the Spirits while the others buy them time. Inside the Castle the Sorceress summons the Castle's defenses to
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