He-Man/ThunderCats all sides, He-Man defeats them all with help from Randor. Back in Skeletor's lair at Snake Mountain he explains to Mumm-Ra that he could never wield the Power of Grayskull without it consuming him. But by mixing Mumm-Ra's ashes to a potion it will link Mumm-Ra's ever living power to him allowing him to use the Power Sword. Despite Mumm-Ra's protests Skeletor drinks the potion and summons the Power of Grayskull to him adding He-Man's strength to his own. He-Man suddenly is transformed back into Prince Adam in front of Randor who is horrified as his son collapses in his
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