Sasuke, knowing fully well the abilities and upgrades a new prosthetic arm made from Hashirama’s cells would give to him, decided not take it as it reminded him of all that he did just to gain power to kill his brother and destroy the Hidden Leaf.
1:202:33The Real Reason Why Sasuke Didn’t Want a Prosthetic Arm EXPLAINEDYouTubeStart of suggested clipEnd of suggested clipSo for him to regenerate an arm as child’s. Play using the king of hell. He can regenerate any lostMoreSo for him to regenerate an arm as child’s. Play using the king of hell. He can regenerate any lost part of his body similar to the way the six paths of pain repaired.