Kallavan and Broly are both pure brawlers who punch their opponents into submission. It all comes down to who has the most sheer power at their disposal. I would have to give that one to Broly. The guy was destroying entire galaxies and that was before his prime. Now he’s easily universal+. As strong as Kallavan is, it’s fair to say that he isn’t close to that levels of power right now. He would go down real quick. Broly wins.