Before obtaining the Paramecia-type Op-Op Fruit, Yami possessed two divine control techniques.
The first was the gravitational control of the Logia-type Dark-Dark Fruit. Whether it was the single-target or group-target Black Hole, or the dark domain of Dark Vortex, he could swallow anyone not strong enough into the Black Hole space. With the multiplication of the More-More Fruit, he could even create a Planetary Devastation by compressing super-gravity.
The second was the control over non-living matter from the Paramecia-type Float-Float Fruit.
This Devil Fruit brought Yami's control ability to the top tier. Except for living beings, any object Yami touched would be under his control.
But it was only top-tier, not ultimate, and certainly not unbeatable.
After all, the prerequisite for the Float-Float Fruit's control was to physically touch the object. Only after the fruit was awakened would it evolve into a domain that controlled all surrounding non-living matter.
At that point, Yami's control could truly be called ultimate.
Now that Yami had acquired the Paramecia-type Op-Op Fruit, he only needed to open his surgical domain to manipulate everything within it.
This ability was equivalent to a premature awakening of the Float-Float Fruit.
More importantly, besides non-living matter, Yami could now control the lives of living beings.
In Yami's eyes, the most terrifying ability of the Op-Op Fruit wasn't the Perennial Youth Operation.
It was the Scalpel and Personality Transplant Surgery.
The former could extract an enemy's heart without killing them.
This ability allowed Yami to dominate anyone who feared death.
As long as they weren't immortal, they would have to serve Yami.
With this ability, Yami no longer had to worry about being backstabbed and could expand his forces.
If he encountered someone who did not fear death, Yami could use the Personality Transplant Surgery to transfer that fearless person's mind into the body of a weakling, and transfer the mind of a fearful or loyal person into the fearless person's body.
These two abilities were the true ultimate power of the Op-Op Fruit.
Having obtained the Op-Op Fruit, Yami could now control both inanimate objects and living beings.
He was just one step away from being unbeatable!
"ROOM—Domain Expansion!"
Yami, holding the spherical light shield in his palm, gently pressed it downwards.
In an instant, a spatial light shield, perceptible only to those who had mastered Observation Haki, instantly expanded in all directions with Yami at its center.
In the time it took to take a few breaths, the light shield enveloped the small island of Gloucester.
Yes, enveloped. Not like Trafalgar Law's hemispherical shield that could only cover the ground.
The light shield Yami released was a complete sphere, not only covering the island's surface but enclosing the entire island.
With just a thought, Yami could make the island lift off from the sea and float in the air.
If he had something sharp in his hand, Yami could slice the entire island in half with a gentle swipe.
Yami didn't know swordsmanship, nor did he intend to practice it.
But if you gave Yami a sword, the power of his slashes would be stronger than any swordsman's.
Because within this domain, Yami possessed a rule-based cutting ability.
Unless the opponent also possessed a spatial ability, the all-purpose Haki, or a special ability that could counter cutting, no one could block Yami's slashes.
The only flaw was that living beings cut by Yami would not die.
Within this domain, Yami possessed a so-called "God's perspective."
Like a deity, he could not only see everything within the domain but also manipulate everything within it.
Furthermore, Yami could teleport freely within this domain and could also teleport others to his side without touching them.
This ability directly compensated for the shortcomings of the Teleport-Teleport Fruit.
Just a single domain possessed so many terrifying abilities.
As a price, the stamina consumption of the Op-Op Fruit was naturally one of the highest among Paramecia types.
For example, if Yami wanted to lift an island, the Float-Float Fruit would only consume a small amount of stamina.
But if he used the surgical domain to lift an island, even for a stamina monster like Yami, it would consume an astonishing amount of energy.
"As expected of a fruit valued at five billion Beli, just like the Nika Fruit, and called the Ultimate Devil Fruit."
After experiencing the abilities of the surgical domain, Yami retracted it and sighed with emotion.
In a certain special episode, which was the predecessor to One Piece, the fruit Garp gave to Luffy, later renamed the Paramecia-type Gum-Gum Fruit, the Nika Fruit, was actually valued at five billion Beli.
In the main story, the Devil Fruit valued at five billion Beli became the Paramecia-type Op-Op Fruit.
Opening an air door and tossing Trafalgar Law's body into a different dimension, Yami looked in a certain direction, and the corner of his mouth suddenly curved up slightly. "I obtained the Op-Op Fruit faster than expected. It seems I can let Carina and the girls go for advanced training ahead of schedule."
After speaking, Yami's figure vanished into thin air.
Through a series of teleports, Yami did not go to the West Blue to meet up with Carina and the girls.
This time, splitting up was a deliberate test for them.
Ever since they met Yami, the survival skills of Carina, Nami, and even Robin had degenerated.
No matter what they encountered, they would subconsciously rely on Yami, which was not a good thing.
Only when a young eagle learns to fight in the wind and rain can it grow a pair of strong and powerful wings.
Only by solving all difficulties without relying on Yami's help could they better temper their will.
With their abilities, as long as they didn't encounter a super-powerful recluse in the West Blue, Nami was practically invincible.
If Carina and Nami teamed up, even top-tier powerhouses would find them incredibly difficult to deal with.
Besides Carina and Nami, there was also Perona, who had mastered the Negative Hollows.
The three of them, not just in the West Blue, but even in the first and second halves of the Grand Line, were an almost unbeatable combination.
That was why Yami was so confident in letting them go hunt Capone Bege.
When Yami stopped teleporting, his figure appeared on a familiar island.
It was a winter island, with snow falling heavily, and both the ground and the mountain peaks were covered in white.
The country on this winter island was once incomparably glorious, one of the fifty powerful nations that had never missed a World Council meeting, known as the medical powerhouse, the Drum Kingdom.
Now, this country was in serious decline. Almost all of its excellent doctors had been expelled from the Drum Kingdom, leaving only twenty doctors in Wapol's castle, known as the Isshi-20.
Besides these twenty doctors, the remaining doctors in the Drum Kingdom were all targets of Wapol's extermination.
They were either dead or hiding in some corner of the Drum Kingdom.
Among them were Chopper and Dr. Kureha.
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