According to the established rules, the necessary condition for creating a Horcrux was committing murder, and every time a portion of the soul was split off, one person had to be killed as the prerequisite for activating the skill.
In the world of ninjas, killing had never been taboo.
But judging by Comrade Voldemort's habitual state of confusion after splitting his soul into seven pieces, Soji had been deeply wary of cutting apart his own spirit from the very beginning!
Not to mention that, after generations of ninjutsu inventors had refined the field, souls themselves possessed rather unusual properties!
Whether it was the Reaper Death Seal repeatedly exploiting loopholes to toy with the god of death, or forbidden techniques like Impure World Reincarnation that desecrated the dead—not to mention Indra and Asura's soul reincarnations, or the old man of the Six Paths passing down his soul through reincarnation...
Anything involving something so intangible yet ever-present could easily develop into some kind of special restriction beyond one's control!
Soji's original purpose in creating Horcruxes had been to resolve the dilemma between fully developing his abilities and advancing his political status. But if the Horcruxes he released fell into the hands of some mad scientist, or someone with ulterior motives pulling strings behind the scenes like Black Zetsu, they could easily become a weakness that could be used against the original body!
Besides, Director Yamada had never wanted to turn himself into a raving lunatic like that noseless freak, living like a paranoid guarding six or seven phylacteries. Naturally, he could not simply reproduce Voldemort and Herpo's version of Horcruxes one-to-one according to the method provided by the spell system.
Combining the experience he had gained through repeated practical trials in the Torture and Interrogation Force with the results of the Special