Bullets actually pierce Kaido (i can't tell if Izou used haki on it, but there is a possibility).
Interesting how Kawamatsu's attack looks equally efficient or maybe even better than Zoro's Tatsumaki
Yet thats everyone's about King and Queen, Izou reacted the same way towards Marco. Not to mention the fact that King and Queen fought them during Oden's flashback, and beat them most likely
Mind you that Inuarashi needed Sulong form in an extreme diff fight to beat Jack.
This explains how Zoro and Sanji got bodied so easily and keep needing power ups, and there is more to go.