One Piece: Blue Scale Admiral

These random things were collected by Rorschach on the island after the battle that happened half a month ago, which Lilith specifically asked her to gather.

Apart from the unfortunate Bondiwald, the others were all remnants of the bodies of the pirates who died on the island.

This includes characters such as Katakuri, Perospero, Smoothie, Pizarro, Devon, and the San Juan Wolf.

And Redfield.

Rorschach looked at Vegapunk, who had half an apple balanced on his head, and asked, "Doctor, what are these machines for? Are they for researching Devil Fruit abilities?"

Vegapunk laughed and said, "We have everything. It's not just about researching Devil Fruit abilities, but also about bloodline factors and the physical strength of pirates. But the most important thing is extracting the green blood from the Devil Fruit users."

"Green blood? What's that? Green blood?" Hibari asked in confusion.

“No, you can think of it as a bloodline factor containing the nature of an ability user’s ability. For example, this.” Vegapunk picked up an opaque glass test tube from the lab table in front of him and held it up to everyone.

"This is the green blood I extracted from Bondiwald. It contains the characteristics of his Paramecia-type Momo-Momo Fruit ability. If it can be successfully integrated into the experimental subject, we can obtain a Paramecia-type Momo-Momo Fruit user."

Vegapunk's calm words stirred up a storm in the hearts of Hibari, Tashigi, and the others.

Hibari stared in shock at the test tube Vegapunk casually held in his hand. "Doctor, is what you're saying true? You stripped Bondiwald of his Devil Fruit powers?"

No, you misunderstood.

Vegapunk put down the test tube, shook his head and laughed, "I told you, this is green blood extracted from Wald. It contains bloodline factors that contain the power of the Momo-Momo Fruit, not the power of the Momo-Momo Fruit itself. Compared to the Momo-Momo Fruit, it can at most be considered a part of the power of the Momo-Momo Fruit."

“Uh…” Hibari, Bepo, and Tashigi looked at each other, not understanding.

Vegapunk patiently explained, "Let me put it this way: the Momo-Momo Fruit can only grant its power to one person after they eat it. But the green blood I extracted from the Momo-Momo Fruit user, Wald, can grant the power to several, even a dozen, people. Of course, the strength of the Momo-Momo Fruit power these people gain cannot compare to the power Wald possessed. It's like a weakened version. The maximum speed and size amplification of the Momo-Momo Fruit is one hundred times, but the user who fuses with this green blood might only be able to develop a maximum amplification of ten, twenty, or even less."

"That's amazing! It can make more than ten people stronger as a whole. If this were combined with the lieutenant generals at headquarters, wouldn't that create more than ten strong individuals at the level of general candidates?" Yun Que exclaimed.

However, Vegapunk shook his head again.

He said, "Unfortunately, this kind of green blood cannot be used for fusion with people born through normal reproduction. The bloodline factors of normally reproduced life are fixed and cannot be fused with other bloodline factors. To fuse this kind of green blood extracted from other ability users, only artificial humans capable of artificially editing bloodline factors can achieve this. Moreover, the chance of successful fusion is very low, and only Paramecia-type Devil Fruit users can extract green blood."

Hearing Vegapunk's explanation, Hibari and Tashigi immediately felt incredibly sorry.

If it weren't for the restrictions Vegapunk mentioned, the Navy could mass-produce Paramecia-type Devil Fruit users by fusing these green-blooded individuals.

Yun Que seemed to realize something and asked curiously, "Is the Seraphim, the war weapon currently under development and manufacturing, a successful example of fusing with Green Blood?"

“That’s right, you reacted quickly. Seraphim is a clone of the Seven Warlords of the Sea who successfully fused with green blood.” Lilith nodded.

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"Doctor, I've wanted to ask this for a long time: after a Devil Fruit is eaten, where exactly does it integrate into the user's body? Is it in their blood, heart, flesh, or soul? Why is it said that a person can only eat one Devil Fruit? What happens if someone eats two Devil Fruits? Does it kill them instantly?"

Rorschach listened for a while, then looked at Vegapunk and asked the question that had been lingering in his mind.

“Rorschach, your question is very good, but unfortunately, I don’t have a definitive answer either. I can only offer a relatively reasonable explanation based on the research results over the years,” Vegapunk sighed.

"Doctor, please enlighten me." Rorschach gestured with his hand.

Vegapunk nodded and said, "Based on my research and some ancient materials from long ago, we now speculate that Devil Fruits were born in this world because of the various desires of intelligent beings. There may exist some kind of device that can materialize the desires of intelligent beings somewhere in this world. This device might be a Devil Fruit Tree, or a Devil Fruit vending machine that drops the corresponding fruit when you input a desire, or even the One Piece that Roger mentioned. We don't know."

"When a Devil Fruit is eaten, it doesn't integrate into the user's blood, muscles, heart, or soul; it integrates into the whole, not just a part of the user's body. It integrates into the user's bloodline factors and their soul."

"This is easy to understand."

"For example, Rorschach believes that after a Devil Fruit is eaten, it integrates into the user's heart. So, if we remove the user's heart, will their Devil Fruit power disappear?"

Vegapunk looked at Bepo and asked.

"Huh?" Bepo looked bewildered, scratching his furry bear face. Looking at Vegapunk's encouraging eyes, he racked his brains for a while before stammering, "I don't think so, because the Vice Admiral's Op-Op Fruit ability can remove other people's hearts, but after the heart is removed, those Devil Fruit users can still use their abilities smoothly."

Vegapunk's eyes lit up, and an approving look appeared on his face. He reached out and patted Bepo's big belly. "Well said, Bepo. Your answer is more authoritative and certain than any of the experiments I've done."

"Hehe, really?" Bepo's bear face flushed red, and he grinned foolishly as if he were drunk.

“Hmm.” Vegapunk nodded and said to everyone, “Similarly, we can use Bepo’s example and have Law use his Devil Fruit ability to remove other body parts from the Devil Fruit user, such as blood, or even cut off their head. I think the result should be the same as what Bepo said: the Devil Fruit user will retain their abilities, instead of losing them just because a part of their body has been replaced. Look at Kuma; most of the parts inside his body have been replaced, but his abilities are still there.”

"As for the soul... it's the same."

Upon hearing Vegapunk mention the soul, Hibari's lips moved as if he wanted to say something, but Rorschach pressed down on his shoulder, and he quickly shut his mouth.

Luo Xia knew that Yun Que probably meant that Luo Lian could transfer and switch the souls of ability users.

Although the Sabaody incident is long over, Law's ability should still be kept secret as long as possible.

Vegapunk continued, "As everyone knows, if you cut a Devil Fruit in half and give it to two people to eat, the first person to eat it will gain the Devil Fruit's power. We did an experiment to this end, cutting a Devil Fruit in half and then cutting a person in half. Of course, it wasn't the kind of half-cutting you're thinking of; even cutting off a finger would result in two pieces. But even if I really cut a person in half, I could sew them back together perfectly, so you don't need to worry."

Seeing Bepo's startled reaction, Vegapunk made a rare little joke.

Although Vegapunk was talking about his research findings, Rorschach and the others did not find it monotonous or boring at all. On the contrary, they found it very novel and listened with great interest.

"If two people each eat a Devil Fruit, the first person to eat it will gain the power."

"So, if a person is split into two parts and eats a Devil Fruit, do they each gain the same power, or does only one part gain the power? Tashigi, what are your thoughts?"

Vegapunk then looked at Tashigi.

He seems to really enjoy teaching others through this question-and-answer format.

He was actually pleased when Rorschach and the others asked him curious questions.

Because Vegapunk always believed that curiosity is what drives progress.

Tashigi thought about it seriously for a moment, then said nervously, "I guess it's the part of the brain that gains the ability."

"Pfft." Hibari, who had been listening intently, chuckled.

Rorschach was smiling too.

But he wasn't laughing at how silly Tashigi's conjecture was; rather, he thought Tashigi's perspective was unique and made people laugh.

However, upon closer reflection, this guess does seem reasonable.

When a person has a finger cut off, and a Devil Fruit split in two is implanted into that person's body and the severed finger, the part of the body containing the brain appears to gain the power, not the finger.

Tashigi was a little embarrassed, her little face turning red with embarrassment.

Vegapunk smiled kindly and nodded approvingly: "Your guess is correct. A body with a brain, or rather, a soul, can gain abilities."

He first praised and encouraged the somewhat embarrassed Tashigi, then changed the subject, "But if I cut this person in half, and divide his brain into two equal halves, and ensure that neither half dies but each retains a portion of the memories and body, then which side will gain the ability? Or will both?"

"Huh? You can do that?" Hibari and Tashigi were both dumbfounded.

Seeing that Vegapunk was still looking at her, Tashigi quickly shook her head, indicating that she didn't know.

Luo Xia pondered for a moment, then suddenly said, "Eat the one that grants the ability."

Vegapunk's eyes lit up as he looked at Rorschach. "Oh? Why?"

Rorschach said, "Because after being cut in half, this person has two bodies and two parts of consciousness, which is equivalent to becoming two people. So the one who eats first gains the ability, while the one who eats later cannot gain the ability."

"So what if I sew the person who was split in two back together? Will he only be able to use the Devil Fruit ability on one half of his body, or will he be able to use both?" Vegapunk pressed.

“Both can be used,” Rorschach replied.

"why?"

"Because after the stitches, he is a complete person, with the same bloodline and the same soul, so he can share abilities."

"What if, before stitching them together, each half of the body ate a Devil Fruit?"

"I guess his bloodline factors will collapse, causing his body to break down and die."

"So you think that if someone ate two Devil Fruits at the same time, he would die instantly?"

"Yes."

Rorschach affirmed.

However, Vegapunk slowly shook his head, giving the opposite answer.

"No, if a person eats two Devil Fruits at the same time, he will not die. He will gain the power of the first one he ate, but the power will disappear when he eats the second one."

Vegapunk's words stunned Rorschach.

He didn't understand.

If a person cuts himself in half, eats both halves of the fruit, and then sews them back together, that person will die.

A person can eat two Devil Fruits at the same time and not die.

Are there any essential differences between these two?

They all seem the same, don't they?

Listening to the rapid-fire question-and-answer exchange between the two, Hibari, Tashigi, Bepo, and the others were completely bewildered.

Kizaru, who had been listening quietly for a while, said softly, "The professor is right. We did these experiments before. If a pirate eats two Devil Fruits, his body won't explode. He will get the ability that takes effect first. But if someone who is already a Devil Fruit user eats another Devil Fruit, it won't have any effect on him and won't kill him."

Rorschach suddenly realized, "So, after you captured Kaido, you tried this method on him too?"

Kizaru shrugged, neither confirming nor denying.

Kaido is difficult to kill, but if eating two Devil Fruits would definitely lead to certain death, then the Navy certainly wouldn't be stingy with a Devil Fruit.

You could easily kill Kaido by feeding him a worthless Devil Fruit.

They don't even need trash fruits, because the first person to research artificial Devil Fruits was Vegapunk. It would be easy for the Navy to make a few artificial Devil Fruits; they could just feed Kaido a few more.

"Why is that? What about Barrett and Teach? Why can they use three abilities at the same time? Also, Devil Fruits can be fed to inanimate objects, right? Inanimate objects don't have bloodline factors or souls, so how do they eat Devil Fruits? How did Charlotte Linlin gain the Soul-Soul Fruit ability after eating Carmorro?"

Rorschach's doubts deepened.

Vegapunk laughed and said, "Your questions are all very good. What I'm going to tell you now is about two characteristics of Devil Fruits."

"Two characteristics."

“Yes.” Vegapunk hooked his finger. “First, Devil Fruits are unique. Second, Devil Fruits have priority.”

Chapter 766 Seraph

"The uniqueness and priority of Devil Fruits?"

Rorschach was stunned. He had never heard of this theory before and was immediately curious about what Vegapunk was about to say.

Vegapunk explained, "The so-called uniqueness means that there are no two Devil Fruits that are absolutely identical in the world, or two Devil Fruit abilities that are exactly the same. At the same time, an ability can only be integrated into one independent individual. Even if a copy is made artificially, it will not be the same as the original Devil Fruit. A Devil Fruit user created from the green blood extracted from a Devil Fruit user will also be different from that user, and there will be differences in the lower and upper limits of the ability's development."

"The independent individuals mentioned here refer to life forms with bloodline factors and souls, or separate non-living entities. It is worth noting that this is too general and excludes large concepts. For example, it is impossible to make the island beneath our feet or the entire planet eat a Devil Fruit."