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 within Castle Grayskull. In the Episode of the original series "Eternal Darkness", He-Man was shown pushing a moon of Eternia into a specific orbit, and then later returning it to its original position by hand. He can remain as He-Man for as long as he wants but if he takes too much damage or uses too much raw force, he will revert to his original form of Adam. In the 2002 series, He-Man is shown enduring the brunt of at least two large explosions, which he survives, but reverts to Adam in the process, suggesting that even He-Man has a