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 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,