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