He-Man and She-Ra: The Secret of the Sword (1985)

Haunted by disturbing dreams from an age long gone, the Sorceress calls upon Prince Adam and his trusty companion, Cringer, to Castle Grayskull. There, she bestows upon Adam a magnificent jeweled sword, tasking them with a mission to uncover the mysteries of Etheria. As they embark on this adventure, secrets await that could change the fate of their world forever.