Bee probably wins if he fights from super long range. Kishi made both bee very OP when he allowed him
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Sasuke's susanoo is not withstanding multiple mountain busters as Susanoo's best durability feat is getting blow away by a small-mountain buster AKA Kirin.
If the fight is close, mid, or mid-long ranged, he is going to get lit up by amaterasu, however now that he has knowledge on the technique, he can block it with a tentacle and continue to fire his bijuudama barrage.
Of course that's just based on EMS Sasuke's current feats which is kind of unfair since he has yet to go all out in a fight. By hype he should at least have Perfect Susanoo + PS swords covered in enton, and he would fodderize bee with that kind of power.
sasuke stomps i dont know where people get it that bee can dodge ama in any form sasuke goes on hawk lets say bee gets a bijuudama out he dodges it and lights him up like a rello
if sasuke goes on the hawk, he can't use susanoo since it's far too heavy for the hawk to fly with, and bee can still easily hit him with
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