Do you believe Oro is a plot devise or something more?

[Urda]

We already know what he wants. "Learn and know all Ninjutsu in existence". He would need Obito. I will guess he would recover Obito's body where no one is looking.

 

[Lytes]

he is up to something

 

[Flawž]

Well, it's still too early to tell. He could be planning something or just as easily not be. You know how Kishi is.

Yup, we should wait indeed.