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 grew up together and now, as Captain of the Guard, she was entrusted to protect the prince. Unaware of his alternate identity as He-Man, she saw Adam as lazy and cowardly. Man-At-Arms was He-Man's closest companion and the Eternian royal family's innovator of technology and weapons. In many episodes, Man-At-Arms unveiled new and fantastic weapons or devices which helped He-Man and his friends. Castle Grayskull was the source of He-Man's powers. Inside the Castle lived the Sorceress, who granted Prince Adam his transformative abilities and communicated telepathically with He-Man. To protect his family He-Man kept his double identity a secret,