(Bonus update with thanks to Duduji for the tip.)
Two powerful hearts beat inside Genpei's chest. Father Anthony and Saint Raiser worked together to stitch his severed ribs back into place, then sutured all the muscle and skin before administering one final Green Needle.
The wounds that should have taken weeks to heal recovered instantly, without leaving so much as a scar!
Saint Raiser marveled:
"These injections really are miraculous. They can actually heal injuries to this extent!"
Li Qinwu added from beside him:
"But these injections don't work on toxins, chemical contamination, radiation contamination, and so on.
"Otherwise, we could give you a shot too, breathe new life into those old bones, and get you back to your prime!"
Saint Raiser shook his head without saying anything. He had spent a long time inside his Dreadnought and had already grown accustomed to it.
Li Qinwu changed the subject and turned back to Genpei.
"Since his surgical wounds have completely healed, can we start implanting the second superhuman organ right away?"
Saint Raiser shook his head in refusal.
"In theory, yes, but I wouldn't recommend it.
"Now that he has two hearts, his bodily functions have improved dramatically.
"He needs at least a month of exercise to get used to his new physical capabilities and this new organ.
"And I also need to observe him for a month to see whether his body shows any signs of rejection."
Saint Raiser carefully explained the process to Li Qinwu.
Every superhuman organ implanted would bring a massive increase in the recruit's physical capabilities.
If they rushed to implant the second organ without training him first, the recruit's strength would effectively leap from mortal to demigod in one go, leaving him unable to control his own power.
"So alternating implantation with training is