hawk

[one in the shadow]

has it ever been stated in manga or by kishi how sasuke got him hawk summoning because even obito or Karin didn't even know he had that itlearned it.

 

[Flawž]

Rinne Hawk Was obtained off panel.

 

[The Necromancer]

Nope. It wasn't.

 

[Flakez]

I don't think it was ever stated. Or maybe I don't remember.