"Mamamama... Karl, that brat, he's really fast!"
The news that the Golden Nation was holding a founding ceremony and had invited all the prominent figures in the ninja world to attend also reached the ears of the Four Emperors.
In response, Charlotte Linlin, who thought it was Karl's doing, first sighed with emotion that Karl was the fastest man in the world in everything he did.
Her gaze then turned to the hall of the dessert castle, newly built on the Ninja Continent with her Devil Fruit ability. She stared at the dozens of her children who were all sitting cross-legged, and then at Charlotte Katakuri, whose Observation Haki seemed to have predicted something and who slowly opened his eyes to meet hers, and asked in a deep voice, "Katakuri, how do you feel?"
"It feels good. My body doesn't have any rejection, Mama..."
Charlotte Katakuri nodded and said, "Just as I guessed, we, who are from another world, do not have the aptitude to refine chakra. This energy, like the Haki of our world, is exclusive to this world, and only a few people can refine it."
"But as long as we extract the cells of those ninjas and create a gene potion, after injecting it into our bodies, we will have the aptitude to refine chakra."
"Perhaps because this world doesn't have Sea Kings and other bizarre and ferocious beasts, the vast majority of humans in this world are weak in constitution."
"The thing called chakra is a new energy formed by fusing the physical energy extracted from the 130 trillion cells of the human body, one cell at a time, and the spiritual energy trained through a large amount of cultivation and accumulated combat experience."
"In the words of our world, it is the product of mind, technique, and body."
"Therefore, for monsters like us with strong physiques, cultivating this new energy called chakra gives us a unique advantage."
Charlotte Katakuri raised an index finger, and a blue chakra fluctuation immediately covered it as he said lightly, "I've only been refining it for less than half a month, and my chakra is infinitely close to that of the leader of the ninja village I occupied."
"Mamamama... Good! Pass down the order, find a way to inject the gene potion into my body."
Hearing this, an excited smile appeared on Charlotte Linlin's face, "The seven types of release, a body flicker technique similar to the Marine Six Powers, and the techniques of walking on walls and on the surface of the sea... this magical energy called chakra, I can finally master it."
It had been nearly a month since the five emperor forces had arrived on the Ninja Continent.
In this month, all five emperors had each occupied a small ninja village, including the slowest, Shanks.
Because ninjas were extremely valuable items to them, after occupying a ninja village, besides killing a few people to make an example, they did not kill anyone else.
They used their science teams from another world to study the bodies of the ninjas.
Besides the people on Charlotte Linlin's side, the other pirate emperors had also discovered that these otherworldly guests did not have the aptitude to refine chakra.
However, their scientists had discovered that chakra was indeed very similar to Haki.
Unlike Haki, this energy was a new energy formed by the fusion of physical and spiritual energy.
This energy was simply prepared for the humans of the pirate world.
In terms of physical energy, even the fodder of this world had a physique stronger than the elites, and even the leaders, of those small ninja villages.
In terms of spiritual energy, the Four Emperor pirate crews, who were battle-hardened and had mastered Haki, were not lacking in it.
Therefore, after the pirates, who were extremely strong in both physical and spiritual energy, were injected with the ninja gene potion and gained the aptitude to refine chakra.
The speed at which they refined chakra was countless times faster than the natives of this world.
At this rate, the chakra amount of the Four Emperor pirate crews would catch up to that of the great ninja villages in no time.
Except for nature transformation and shape transformation, these advanced applications of chakra, as well as being far inferior to the great ninja villages in terms of ninjutsu and forbidden jutsu, the Four Emperor pirate crews would not be much inferior to those great ninja villages.
When their chakra amount had caught up and there was nothing left to learn, it would be the moment for these pirates to reveal their true purpose in this other world and plunder its resources.
Regarding these things, Karl was not concerned at all.
Because it was too childish, not worth his attention.
Although Karl had forgotten more of the Naruto world's plot than the One Piece world's.
But as long as he knew that this world was actually a family feud of the Ōtsutsuki clan, that was enough.
Before the birth of the second Sage of Six Paths and the arrival of the alien Ōtsutsuki clan, the worldview of this world, after a thousand years of development, was still a small place where five villages fought each other, and whose total combat power was not as good as Marine Headquarters' in the Summit War.
Especially after learning that the current time period was years before the birth of the child of prophecy of this world, Karl had even handed over the entire Golden Nation to Doflamingo to manage.
He, on the other hand, stayed in the royal palace of Amazon Lily with Carina and the other girls and established a scientific research team.
Specializing in researching the most powerful ability in this world—dōjutsu.
While the Four Emperor pirate crews were complacent about obtaining chakra, Karl, who remembered a lot of the plot, had set his sights on the three great dōjutsu of this world.
Viola had been using her Glare-Glare Fruit to monitor the movements of the Four Emperor pirate crews.
Karl, who knew that the cadres and elites of the Four Emperor pirate crews had all obtained chakra and were refining it at an astonishing speed, was clear that there was not much time left before the great battle that would sweep the entire ninja world.
So, before the Four Emperors made their move, Karl decided to upgrade Carina and the other girls as well.
That was to prepare to let them awaken the Sharingan or the Byakugan, and have a pair of beautiful pupils to play with.
In fact, on the second day of occupying Kusagakure, Carina and the other girls, as well as the members of the Donquixote Family, had all obtained the thing called chakra.
Because they possessed the most powerful medical ability in the pirate world—the Paramecia Op-Op Fruit.
No matter how powerful the science and medical teams of the Four Emperor pirate crews were, they couldn't compare to a single Op-Op Fruit user.
Even Aphelandra, whose medical knowledge was not good, with the help of the world's top team brought by the Donquixote Family, had easily allowed Carina and the other girls to obtain the aptitude to refine chakra.
The material for providing the aptitude was the more outstanding women of the Uchiha and Hyūga clans of the current generation.
Rule-based abilities were as unreasonable as forbidden jutsu in this world.
The Door-Door Fruit was equivalent to space-time ninjutsu and could come and go as it pleased, ignoring the Konoha barrier.
But what was even more terrifying was Sugar's Paramecia Hobby-Hobby Fruit.
Once a person was turned into a doll, those who knew them would forget all their memories of them.
This terrifying ability allowed Karl to easily abduct members of the Uchiha and Hyūga main families, so that they could not be discovered for a short period of time.
Even if they discovered that someone was missing from their clan, they wouldn't know who was missing for a while.
Even if they knew who was missing, they wouldn't know what that missing person looked like.
Unless there was a special memory or mind-based Yin Release ninjutsu, no one could break Sugar's ability.
The Hobby-Hobby Fruit was that unsolvable.
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