He-Man clash with Skeletor, in which Skeletor was flung deep beneath Castle Grayskull into a pit filled with steaming liquid. The film ended with a post-credit scene in which Skeletor emerged from the liquid and proclaimed, "I'll be back!". After the end of the Masters of the Universe toy line, Mattel attempted to revive interest in He-Man by producing a new toy line, entitled "He-Man". The accompanying storyline in the mini-comics packaged with the figures explained that He-Man had left Eternia and pursued Skeletor into the depths of space, where Skeletor had set his sights on conquering the distant world of
He-Man/ThunderCats Sorceress, who managed to get free while they traveled realities, summon the recovered heroes to support Lion-O and He-Man. Mummator starts to unlock the orb and the Power of Grayskull begins to flow into him. Even He-Man begins to weaken as his power is taken. Lion-O manages to slash Mummator's wrist and get the Power Sword back but it is too late to stop the orb from unlocking. Realizing they have one last chance He-Man and Lion-O risk combining the remaining power of Grayskull in He-Man and the Power Sword with the Sword of Omens even though both realized it