The third stage of the modification surgery was different from the first two. It involved internal organs, which not only increased the surgical difficulty but also made the choice of organs crucial. After all, these were his vitals; a problem with any one of them would be a major disaster!
This was also a key reason why Isaac chose the third stage to graft the Concept of the Justice Faction into his own body.
After all, it was the Justice Faction, which represented truth, goodness, and beauty. Even if something went wrong, how bad could it really be?
And among these three modification and transplant surgeries, one would inevitably be for his heart. This was the organ transplant procedure Isaac was most proficient in; he knew it so well, he could do it with his eyes closed and not make a mistake.
