We went from an exciting fight with Madara to an extremely anticlimatic subplot with Naruto vs Sasuke that we all know how will end. As pathetic as Kishimoto has been since the beginning of shippuden, I do not believe he is this incompetent.
I think there was some statement somewhere that the series would end with chapter 699 or some. Also it seems fitting that the first part ended with a fight and so does the second.
Is this enough?
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It's ending on 700. The nov 10th ending was a mistranslation and it's really ending on the fifteenth would mean we would get the chapter on a Thursday which makes more sense