He-Man and the Masters of the Universe S01 E05 Sky War

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

Preying on the fragile truce between the Andreenids and the Avionians, Skeletor starts a war that threatens to tear the Mystic Mountains apart. As both tribes wage war in the skies of Eternia, Skeletor successfully obtains Ambrosia, a miracle Andreenid food that gives power to the individual who digests it. He-Man and Teela arrive to stop both the war and Skeletor...