"The Op-Op Fruit, the legendary Op-Op Fruit!"
"Good heavens, my heart has been removed, yet I'm not dead. Is this the Op-Op Fruit that can turn even a quack into the world's greatest doctor?"
"..."
Yami was in the Drum Kingdom, but not to find Chopper and Kureha.
Inside the castle's research facility, the twenty doctors who chose to become Wapol's exclusive physicians, known as the Isshi-20, were slumped on the ground, looking up at the young man in the center of the crowd.
Around this young man, exactly twenty hearts were floating—no more, no less.
These hearts were all contained within a cube, unaffected by external bacteria.
But if these hearts were squeezed, their owners would feel excruciating pain in their chests.
The miraculous thing about the cube was that they could feel the pain even though their hearts were no longer inside their bodies.
Having personally experienced the excruciating pain of having their hearts squeezed, the Isshi-20, who had chosen to serve Wapol out of fear of death, immediately submitted to Yami.
At the same time, their gazes towards Yami were filled with fervor and adoration.
The Paramecia-type Op-Op Fruit was the Devil Fruit that all doctors dreamed of.
Any doctor who knew the history of the medical world, even if they didn't know about other Devil Fruits, would surely know about the Paramecia-type Op-Op Fruit.
Because every user of the Op-Op Fruit had been a legend in the medical world.
Just as the legends said, even a quack, upon eating the Op-Op Fruit, would become the world's greatest doctor.
To be able to serve under a user of the Op-Op Fruit was their honor.
"I'll give you one week to collect and organize all the medical and research materials in the Drum Kingdom for me."
Yami was unaware of what these doctors were thinking.
After taking the hearts of the Isshi-20, Yami opened an air door in front of them, stored all the hearts in the alternate dimension, and then gave his command.
"Yes, sir!"
The Isshi-20 hurriedly responded.
"One more thing. Does anyone here have a scar?"
Yami continued, "Preferably a burn scar. Or go find me someone with a scar. I want to conduct an experiment."
"Sir, I have a burn scar on my body," one of the doctors immediately stood up and said.
"Good. Prepare a quiet place for me."
"Yes, sir."
Led by this doctor, Yami came to a fully equipped operating room.
He had the doctor lie on the operating table and expose the burn scar on his body. Under the curious and expectant gazes of the other doctors, Yami picked up a scalpel.
"ROOM!"
Yami raised his hand and created a hemispherical light shield, enveloping himself and the doctor.
"Scan!"
Immediately, the scalpel in Yami's hand gathered a laser-like light and gently passed over the burn scar.
In that instant, Yami's eyes seemed to be using the X-ray vision of the Glare-Glare Fruit. His gaze penetrated the doctor's body, observing it down to the cellular level.
Under the skin of the burn scar, there was a layer of dead cells.
It was because of this layer of cells that the scar could not heal.
And so, Yami gently scraped with the scalpel, removing the gruesome surface of the burn scar.
"A-amazing... I don't feel any pain at all."
The doctor on the operating table, witnessing Yami peel off his skin without him feeling a single thing, couldn't help but exclaim in amazement.
"Shut up."
Before the other doctors could chime in, Yami reprimanded them.
All the doctors instinctively covered their mouths, not daring to speak and disturb Yami again.
Looking at the skin that, despite having the scar and dead tissue removed, was still a patch of red and wouldn't return to its normal color, Yami frowned slightly, as if deep in thought, and hesitated to proceed.
Seeing Yami lost in thought, the doctors didn't even dare to breathe loudly.
The operating room, crowded with people, was so quiet you could hear a pin drop.
Zzzzz...
Before long, Yami was seen holding the scalpel in one hand while extending the index and middle fingers of his other hand. The fingertips were covered in a layer of green electric current.
However, it wasn't an electric current, but gamma rays.
Gamma rays are a type of high-energy electromagnetic wave, possessing extremely strong energy.
This type of energy ray, generally produced in nuclear decay and cosmic rays, has terrifying penetrative power. It can easily pass through most substances in the world and has astonishing destructive capabilities, able to destroy the atomic structure of matter, causing damage or deterioration.
Used as an attack, it was a true damage attack that ignored defense.
It was also one of the few techniques that could ignore the steel-like bodies of people like Yami and Charlotte Linlin.
Whether it was Yami, Charlotte Linlin, or even Kaido's body, if not covered by Armament Haki, or if the Armament Haki wasn't strong enough, they would be penetrated by gamma rays, causing direct internal damage.
Even more terrifying, if a large amount of gamma rays invaded the body upon impact, it would cause widespread damage to cells or make them deteriorate, leading to various diseases—a true damage attack with continuous damage over time.
As its energy far surpassed that of X-rays, the stamina required was equally astonishing.
This was why Yami felt the Op-Op Fruit was wasted on Trafalgar Law; only in the hands of stamina monsters like himself could it display its true value.
After obtaining the Op-Op Fruit, Yami could not only instantly release a surgical domain that enveloped an entire island but also easily create gamma rays.
Using the scanning ability, Yami infused the gamma rays into the doctor's body, quickly destroying the layer of dead cells.
Immediately after, the gamma rays in Yami's hand turned into a real electric current, which began to promote cell regeneration and repair the layer of dead skin.
The red patch of skin slowly lost its dead coloration and quickly assimilated with the surrounding skin.
It was as if... that burn scar had never existed, as if this doctor had never been injured at all.
"It's... it's healed! The scar is gone!"
"A-amazing!"
"Unbelievable! Not a single trace was left behind. Such surgical skill... as expected of the legendary Op-Op Fruit!"
"..."
The doctors who had witnessed the surgery firsthand finally couldn't hold back their exclamations.
This time, Yami didn't scold them.
A slight smile appeared on Yami's lips; he was in an exceptionally good mood.
With this scar-healing method, he didn't believe Hancock would be able to resist his charm.
The world's most beautiful woman, and the world-renowned nation of powerful Haki users, would soon be his!
And so, Yami took a scalpel and instructed the Isshi-20, "Remember what I said. I will come find you again in a week."
After speaking, Yami's figure vanished into thin air.
After leaving the Drum Kingdom, Yami headed straight for Amazon Lily in the Calm Belt.
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