Zephyr (one piece) vs Yamamoto

VS

- Win by KO/Death

- No Prep

- Battle takes place in fake Karakura

- They start 20 yards from each other

- Restriction: fly, bankai

- Shiaki Yamamoto

What can Zephyr do? I need to know before saying anything.

he is one of the old admirals, antagonist latest film one piece: Z

as well as keep up with post-time skip Luffy, I think your best view is tanking a blast though