but kabuto was a great healer and thanks to plot no jutsu he survived thatIt's weak, remember that Naruto's rasengan got stronger when adding wind transformation to it? Konohamaru probably didn't do that yet back then. Naruto's rasengan didn't kill Kabuto back then either.
You can't heal death xd It's said that Naruto's rasengan got stronger after Fuuton training with :kakashi: That's why it's called Fuuton: Rasengan.but kabuto was a great healer and thanks to plot no jutsu he survived that
No the one he hit is the one that revives pains. He was not damaged at all.it did kill one of the pains, but he was revived.
that was in a filler and ova :flaw:No he also use the odama rasengan, and I think the overall power of Naruto's rasengan increased with time as he is able to take out seperate paths of pain with only a basic one.
naruto,sasuke,lee,neji and gaara put konahamaru to shame even at 12:flaw:He's a genin cut him some slack lol.