Naruto 431 – Spoiler
Naruto asks Gamakichi to evacuate everyone.
He asks Tsunade about Kakashi. He can sense chakra of everyone in a village with sennin power, but he can’t sense Kakashi’s.
Tsunade becomes silent.
Naruto: “… …I see”
Tsunade becomes all wrinkely (no big deal)
Naruto doing Oodama rasengan and it ends with some new jutsu.