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