Originally Posted by shinta|hikari
Am I the only one who thinks it was very foolish of Naruto to use the Rasen Shuriken? He himself said that it took a lot of his energy away, and he only managed to get one body with it. His sage mode might have been better used gradually, and it might have earned him one or two more kills before it ran out.
Maybe Naruto was provoked by Paine when he brought up Jiraiya, and that is why Naruto used his most powerful technique. Still, that does not excuse how careless a decision that was.