The big fight that everyone waited for! This fight caused ripples throughout the Shounen Jump World because Naruto had finally risen up in the world. No longer could people compare him to guys like Luffy and Edward instead of Goku and Ichigo.
Naruto has a lot of power now and should be acknowledged. Of course when Naruto fought Pain, Pain wasn’t anywhere near full power. This may not help because Naruto’s gotten much stronger than when they last fought. He now has Chakra Mode and with it his speed and power jump for a loop. Pain may be powerful, but even with all of those bodies going against Naruto, Naruto still takes this match. Pain may be powerful, but even he has his limits. Naruto wins.
Fanfic version below
https://dreager1.com/2012/10/12/tournament-smashers-episode-12-naruto-vs-pain/
DReager1.com 
I agree naruto would obviously win
Definitely! Beating him would be tough
If it was not Naruto’s show Pain would win for several obvious reasons.
For a while Pain was pretty much the strongest Naruto character, but I’d say Naruto’s surpassed him at this point thanks to Chakra mode
Is chakra mode like Kio-Ken?
I guess in theory it’s a little similar
You know in The Legend Of Korra (the next series in Avatar) there is such thing as Blood Bending?
Yeah, it’s supposed to be pretty impressive
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Aw yeah B)