Since Naruto has been able to enter KB mode and has what looks to me flames of chakra covering his body which he is able to control and create things like extra arms. Will he be able to just expand this chakra around his body when he fights Sauske to defend against Amaterasu and just push it off of his body?
I don't think so, he might be able to block it with the chakra arms he uses to make rasengans/rasenshurikens, but from what we've seen Amaterasu burns everything except Gaaras sand.
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I'm not sure if that was plot no jutsu, or just the fact that Gaara can simply drop the pile of sand that is being burned by Amaterasu and make another. If it is the the latter than Naruto cannot because if he blocks with his chakra arms they would have to come back to his body and then it's all over... I think. :shrug: Or he could just dodge it! Kishi didn't give him speed for nothing. 8P