The Emperor's New School

Yzma is the main antagonist in Disney's 40th animated film, The Emperor's New Groove and its television series, The Emperor's New School. She is a hideous old woman who wants to usurp the throne by murdering Emperor Kuzco. She has a strong, but rather stupid henchman named Kronk is Kuzco's primary childhood guardian and advisor.

The Astonishing Kuzco-Man
Season 2, Episode 19

After getting hit by Yzma’s ray, Kuzco gets superpowers. Yzma then uses the rayon herself to become stronger, and even with growing muscles and destroy Kuzco.