The Naruto series has cemented the First Hokage as the strongest shinobi to ever walk the lands, granting him an almost godly status in the story. From the rare Wood Release Kekkei Genkai to unlimited chakra reserves, almost all of Hashirama’s powers can be traced back to his well-endowed genetics. With such innate power at his disposal, it naturally makes sense for his DNA to grant immense power boosts to those that have this genetic material implanted.