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