The Juubi invades the world of OPM and brings apocalyptic destruction! The Hero Association has sent everyone from Class B to Class S to take on the powerful beast, which is currently rampaging through City Z after vaporizing several others. Can they stop it?
Round 1: The Hero Association(minus Saitama) vs the Juubi. It's restricted to its first form however.
Round 2: Same as Round 1, but the Monster Association and Sonic have temporarily joined the Hero Association to fight. We'll assume they'll work together here. However, the Juubi will go into its second form in five minutes!
Round 3: This time Saitama joins the fight and the Juubi starts in second form.
Who wins? Anime and manga feats are allowed.