Naruto loses himself after seeing Hinata taken out right before his eyes. His anger  triggers the Nine Tails’ chakra to go out of control.
Six Tails?! That's insane!
!ستّة ذيول؟! هذا جنون
Schon sechs Schwänze.
Das darf doch nicht wahr sein.
Ed è arrivato alla sesta coda? Pazzesco!
Seis Caudas?! Isso é loucura!