Board Thread:Naruto Gaiden/@comment-26387606-20150510193623/@comment-24808887-20150517000832

Sanbi221 wrote: I've got a question. Why would Naruto and Sasuke need a prosthetic arm when Naruto can grow body parts back? He did it with Kakashi's eye, he stopped Guy from dying after he opened the 8th gate, yet for some reason he can't grow an arm back. Eye is not hand, and eyes in Narutoverse don't work like in real world while other body parts motsly do. And he didn't bring Guy's foot so can't grow an arm back.