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
Mole Man rings from them. The Mandarins thwarted any attempt of Malekith to hide or flee, as the rings could locate each other. Malekith made a pact with Iron Man (who was also at the time in Svartalfheim to retrieve the rings) disposed of his ring and escaped to safely, as he could no longer be tracked. Following their failure to kill Malekith, the Mandarins resumed their own paths. The Mandarins joined forces once more to help Mole Man's plan to create ring-powered weapons with which destroy cities from their base in Sinister London. A test was thwarted by the Fantastic Four.