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 The series was followed by three more, lasting a total of just over two years and ending in June 2015. By the time the animated series was developed, He-Man's origins had been revised: his true identity was Prince Adam of Eternia, son of King Randor and Queen Marlena (an earthling), who ruled the Kingdom of Eternia on the planet of the same name. The Sorceress of Castle Grayskull endowed Prince Adam with the power to transform into He-Man, which Adam did by raising his Power Sword and proclaiming, "By the power of Grayskull..." Once the transformation was complete, he continued