He-Man and the Masters of the Universe S02 E05 Rise of the Snake Men (2)

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

Having seized control of Snake Moutnain, the Snake Men now seek the power of the Elders. Allying herself with King Hssss, Evil-Lyn reveals that the power he seeks lies within the walls of Castle Grayskull. He-Man and Zodak arrive just in time to witness King Hsss and Evil-Lyn using their combined powers to enter the castle! He-Man battles the hordes of Snake Men and Zodak confronts King Hssss, who has poisoned the Sorceress with his deadly venom...