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