He-Man and the Masters of the Universe S01 E15 The Mystery of Anwat Gar

"A sword will choose a master, a boy will become a man, and a hero will be born."

After receiving a distressing vision, the Sorceress sends Prince Adam and Man-At-Arms to the small island of Anwat Gar to retrieve the Legacy Stones, which are ancient artifacts of great power. However, the pair discovers Sy-Klone, protector of the Legacy Stones, and is soon engaged in combat with the mighty warrior. The battle is interrupted when Skeletor arrives and gains the power of the Legacy Stone!