Naruto loses himself after seeing Hinata taken out right before his eyes. His anger  triggers the Nine Tails’ chakra to go out of control.
How did this happen?
فكيف حدث هذا؟
Wie kann das sein?
¿Cómo rayos?
¿Cómo es posible?
Perciò, com'è possibile?!
Como isso aconteceu?
Как же так вышло?