The Yonko and captain of the Beasts pirates takes on the captain of Soul Society's 11th division in the arena in a few varying fights.
1. Kaido can't use his DF powers and Kenpachi can't use his shikai or bankai.
2. Kaido can use his DF powers and Kenpachi can use his shikai but not his bankai.
3. They both get to go all out.
Who wins?