Speaking of Yama I doubt he got weaker as he grew older, personally, I think losing an arm was the real nerf, so Prime Yama would probably be Pre-Aizen Fight.
@wushu59: Naruto DID get stronger but only at Full Power, I doubt the Last BSM is as powerful as Shippuden SoSP since they are vastly different forms, talking about individual forms are a whole other topic, but yeah.
@wushu59: Mostly because Toneri was defeated by BSM Naruto, I heavily doubt Naruto being 2 yrs older will make BSM as strong as Six Paths, he went from struggling against a mentally unsure Juubito to fighting Juubidara with Sasuke and overwhelming him.
The same goes for Juubidara who is stronger than both Teen Naruto and Sasuke individually.
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