Do you want to compare Amethyst with Mephisto? Discover the powers, weakness & weapons of Amethyst and Mephisto from Amethyst Biography and Mephisto Biography. Find out all about Amethyst and Mephisto.# Check out how is Amethyst unique and distinct from Mephisto. Discover their love interest, sidekicks, family tree and the movies and games list in which Amethyst and Mephisto have appeared. Find out everything about them here!