Hashirama Senju felt that after this Fourth Shinobi World War ended, perhaps before returning to the Netherworld, he ought to give everyone in the Ninja World a suggestion: promote cremation services in the future?
Honestly, if all the dead were cremated, there would not have been so many reanimated dead in this Fourth Shinobi World War!
And more importantly, no one would be able to misuse his cells!
Actually, while Hashirama Senju was still alive, Tobirama Senju had already told his elder brother that he wanted to study his cells.
However, since Hashirama Senju himself was still alive at the time, the research focused mainly on animals and did not involve human experimentation.
Since researching his cells could allow Konoha to cure more patients, Hashirama Senju had not been too opposed to it back then.
After all, the original intention behind the research had been good.
He just had not expected that after both Hashirama Senju and Tobirama Senju died one after another, this research would begin to change in nature.
During the Third Hokage's reign, Hashirama Cells had already been secretly used in human experiments.
However, the test subjects at the time had all been heinous criminals sentenced to death.
Under the principle of making these death-row inmates contribute something, there was nothing particularly wrong with doing so.
After all, compared with animal testing, human experimentation was undoubtedly far more efficient!
But later, because the research made no progress for a long time and the mortality rate was too high, the Third Hokage put an end to this meaningless research.
After all, if it continued, there would not even be enough death-row inmates left.
However, although the Third Hokage had called a halt to it—
Danzo and Orochimaru continued secretly researching Hashirama Cells behind the scenes.
At first, they