In Different World with Naruto System (WN) - Chapter 325: Edo Tensei

... ted before, this Edo Tensei was the forbidden summoning jutsu developed by Second Hokage Senju Tobirama. This jutsu could summon the soul of deceased person back to the living world and resurrect them by binding it to the living person. Afterwards this jutsu was improved by Orochimaru, and Kabuto brought it to the greatest height of development, but this jutsu however had three necessary prerequisites. They were:

First of all, the DNA of the person to be resurrected was required. If this c ...