[quote=@Letter Bee]
<Snipped quote by anothered>

What information does Satoshi get from his Mirror of Possibilities technique, btw?
[/quote]

Oh, umm, lemme think... 

Maybe he could find an alternate who grew up as a Suna ninja. In that universe, they're currently experiencing the exact same scenario but vice versa, replace Suna intruders with Konoha intruders.