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