Board Thread:Theories and Speculation/@comment-1512913-20150719143657

Not much to talk about, I was just wondering... why are they so special? Both Hashirama and Naruto are Asura incarnates, so why was Hashirama more special than Naruto? Why can Hashirama's cells be used to "craft" limbs etc. why didn't Tsunade use Naruto's own cells and clone an arm? 