Aoto threw the vial to Kakashi. Kakashi had already got the cue of what he was required to do. The individual was given the potion once more and forced to drink it. The man who was in pain again didn't both stopping Kakashi as he had already convinced himself that it was all a genjutsu because no potion could be that miraculous and that too coming from a teenager who had a baby type face.

Again, by some miracle, the legs grew. Kakashi tried to get the man to stand on his own by pulling him up. The inmate saw no issue with doing so. He was compelled to take a few steps by Kakashi. Since he could again walk correctly, the prisoner was more certain that it was a genjutsu.

"Kakashi.. Kill him." As he said this, Hiruzen had an icy gaze in his eyes. He now understood Aoto's request for a prisoner on death row. This was a secret that should never have been shared outside of the community.

He was glad that Aoto had asked for a prisoner which Konoha could get rid of without any problems. Without even pausing for a second, Kakashi inserted a kunai at the prisoner's neck. It was at that moment the prisoner realized that everything that had happened was real. Sadly it only lasted a few seconds.

His arm and legs truly were amputated and then, astonishingly, regrew. He was also assassinated because Konoha need a test subject because he was likely the first experiment. Before he died, his only thought was if the potion was able to be administered to the ninjas of Konoha, then the fate of the other villages were sealed.

Though he had defected from the Hidden Cloud village, he still had his heart with his homeland and he felt pity and fear for his village. They had already lost. Kakashi and Hiruzen, meanwhile, finally inhaled deeply. This was game changing factor.

"What can the potion exactly do."

"It was capable of treating both interior and exterior wounds. But of course only physical wounds and not wounds that has something to do with souls as well as seals. Seals can't be broken with the potion so its not as revolutionary as you think."

"Only physical wounds and you are saying its not revolutionary? Aoto, I believe you hold yourself to an unreasonable standard." said Kakashi. Hiruzen also gave a head nod.

"This potion can't be given to regular people since its too difficult to make and so it means it could only be given to those high level shinobis and most physical attacks couldn't do much to them. Genjutsus and other sealing type attacks are mostly used in those cases." Aoto provided his own assessment.

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"You are mistaken," Hiruzen wasn't the one who responded; it was Kakashi.

"Wrong? How?" Asked Aoto.

"You think those jutsus grow on some trees? Let's discuss genjutsus. There are relatively few people who can use it to damage high level shinobi, and this is especially true in Konoha, which has the best genjutsu level users. Let's not even bring up attacks using the sealing technique. Seals are usually employed to restrain someone after taking them down, and there are very few people alive today who could truly harm shinobi with them in a fierce combat." Hiruzen spoken.

"I still can't make them in larger quantities." Added Aoto. He already knew that his potion was legendary and he was only trying to be humble. The Uchihas were the best practitioners of genjutsu, and those adept at sealing had already perished.

The Uzumaki clan.

The shinobis appeared to have a perfect propensity for erasing their own past over time simply out of a fear of the powerful. This world had no regard for things that actually mattered in the long run and was busy destroying things.

"Aoto, what negative effects does the drug have have?" Hiruzen enquired because he was relieved that Aoto was aware of his groundbreaking idea. He genuinely considered paying the man a large quantity of money to inquire about the manufacturing process, but he restrained himself. He would be questioned in bad faith if he did that.

Aoto was already providing Konoha with a lot of things and he wanted him to continue. He didn't want to lose the faith of this teenager who is showing to be a miracle out of nowhere just for some short-term gains.

"As far as I'm aware, there are no side effects." Added Aoto.

"What?"

"Are you serious?"

"I meant to emphasize that this was my first experiment, and when I created the potion, I believed there shouldn't be any negative side effects. You can look for any remains of the deceased person." Added Aoto. The two began to relax a little as a result. Such a crazy remedy had to have some unintended consequences.

The remedy would be tested before the side effects were discovered.

"How many do you currently have?" Hiruzen enquired. Whatever its magnitude, he was willing to invest money in it.

"I have around 150 of these vials with me. However, that is the entire stock. If I sell everything, I won't have anything left, and getting more will take a long time." Aoto said while being as innocent and sound truthful. Of course, if there was enough money, he could sell thousands of these.

"For all the vials, Konoha will pay 20 million ryo. You can begin creating new ones." Hiruzen spoke.

"Hokage-sama!" Hearing the details, Kakashi's heart skipped a beat.

"Kakashi many people had died in recent times and Konoha isn't ready to lose some more. This potion will only be given to those who can be trusted because it is so crucial. Konoha will make sure that the potions will be in stock for war purposes and only be given to few of high level shinobis who are too important for Konoha. Only if in the future, Aoto is able to make more, it will be distributed to the lower levels after they could fulfil certain conditions. This item is far too significant to ever fall into the wrong hands."