"Swish."
In the blink of an eye.
After using the Flying Thunder God Technique to travel to the Land of the Whirlpools and testing the power of the Bashosen, one of the Six Paths Ninja Tools.
Kiyoshi reappeared in front of Danzo and the others, still holding the Bashosen.
"Lord Kiyoshi."
"This thing is indeed impressive. Its power is decent."
Kiyoshi casually played with the Bashosen, smiling as he said, "However, if your chakra reserves aren't sufficient, it's not easy to control. It carries quite a bit of risk."
"Maybe we can look into it further. Even if we can't perfectly replicate it, perhaps we can create a low-tier version."
"And speaking of ninja tools."
He suddenly had an idea.
Kiyoshi turned to Danzo and instructed, "Danzo, take a team and head to Takumi Village.
Bring back the ultimate weapon created by the founder of Takumi Village, Seimei, along with his remains."
If his memory served him correctly, the ultimate weapon Seimei had crafted in his lifetime had considerable power.
It could even bring him back to life. Truly an astonishing feat.
Such talent was rare—he was undoubtedly a valuable figure in the field of research and development.
It would be a waste not to use him for Kiyoshi's purposes.
Though he had no intention of becoming Hokage, his ambition was to become the man of Fifth Hokage.
Konoha was his base of operations, so developing it was essential.
Being from the 21st century, Kiyoshi understood that science was the true driving force of productivity.
Even in a world where personal combat power was incredibly high, and ninja techniques could change the very terrain or even destroy the world, the integration of science and ninjutsu could not be underestimated.
Of course, Kiyoshi preferred to delegate tasks rather than get directly involved. He would guide the development and provide direction for the future, but never too hands-on.
"Takumi Village?"
"Ultimate weapon?"
"Seimei, the founder of Takumi Village?"
Upon hearing Kiyoshi's command, Danzo, Tatsuma, and Mu were all taken aback.
They were familiar with Takumi Village located in the Land of Rivers.
Founded by the renowned ninja artisan Seimei, it was famous for its mastery in crafting and utilizing ninja tools. All the ninja tools used by various countries were supplied by them.
However, none of them had expected that Takumi Village hid an ultimate weapon.
The fact that Kiyoshi valued it so highly indicated that it was no simple matter.
But Danzo wasted no time and immediately agreed, "Understood, I will prepare right away."
"Good."
Kiyoshi nodded and said no more.
Under the guidance of Tatsuma, they arrived in a spacious training room.
"Multiple Wood Clone Jutsu."
In an instant, hundreds of wooden clones appeared inside the expansive training room.
"Let's begin. Every 15 minutes, we will consolidate the information."
Once the necessary experimental materials and equipment were brought in, Kiyoshi assigned tasks.
Leading the wooden clones, he dove into his research.
Simply sealing common five-element ninjutsu into scrolls allowed them to be used at will.
In fact, the five great ninja villages had some research on this, and they had made some progress.
However, most could only seal low-level jutsu into scrolls, with significant limitations.
It was time-consuming, labor-intensive, and difficult to produce in bulk.
In battle, they were not very efficient—somewhat impractical.
The Explosive Tags were a good example of this.
Even those were quite expensive.
Not to mention sealing high-level ninjutsu that required precise chakra control—a very challenging feat.
Generally, the major ninja villages used such techniques to inscribe sealing scrolls or seals, allowing a single ninja to easily perform small-scale sealing techniques.
Even larger-scale seals could be handled by a few ninjas with great chakra control, without needing deep knowledge of sealing techniques.
But Kiyoshi's research was different.
The first goal was sustainability—meaning the scrolls should not be one-time use but reusable.
This would be akin to replicating the chakra transformation mechanism of the human body and embedding that ability into a scroll.
Regardless of whether someone had mastered a particular chakra nature transformation, the scroll would allow normal chakra to be continuously inputted, transforming automatically into the required nature and releasing the corresponding jutsu.
The process involved was incredibly complex.
It even required using the captured Sky shinobis as test subjects.
"Stage One: Master how to seal various high-level ninjutsu of different attributes into a scroll, creating a perfect ninja tool scroll."
"Stage Two: Research how to simulate the chakra transformation mechanism of a ninja's system, allowing chakra to be converted through complex sealing techniques and enabling the release of jutsu based on their transformation."
"Stage Three: Study how to seal advanced medical jutsu or other high-level ninjutsu on a scroll or on the human body, making them usable repeatedly as long as chakra is supplied."
"Stage Four: ....."
….
Time passed quickly.
By afternoon, dozens of wooden clones were absorbed in their research.
With impeccable sealing techniques and precise chakra control, they inscribed one complex technique after another on high-quality scrolls provided by the Root organization.
They were sealing the seven elemental attributes—Wind, Lightning, Water, Fire, Earth, Yin, and Yang—into the scrolls.
With exceptional skill, they were able to seal any ninjutsu from E-rank to A-rank into a scroll.
Although it wasn't impossible for Kiyoshi to seal S-rank jutsu, the power of S-rank techniques was simply too great. The chakra used was far too volatile.
The moment they were released, the scrolls would be destroyed.
The overwhelming destructive force made them impossible to control properly, and could even injure the user.
"A-rank ninjutsu is already sufficiently powerful."
Kiyoshi looked at the complex seals on the scroll in front of him and frowned. "But the main issue is that they cannot be reused."
This was an A-rank ninjutsu that he had just sealed.
The seal was perfect.
All that was needed was to open the scroll, direct it at the enemy, and channel chakra into it to release the technique.
But it could only be used once.
It was impossible to reuse.
If word got out, countless ninjas would flock to obtain such a scroll. The demand would be immense.
A scroll that sealed A-rank ninjutsu and could be released with minimal conditions would be a lifesaver in a critical situation.
"Next, we move on to Stage Two."
Kiyoshi's eyes burned with enthusiasm as he glanced at the Sky shinobs lying on the experiment table.
"I'm beginning to understand why Orochimaru became so obsessed with researching forbidden jutsu."
"This sense of achievement—immersing oneself in research, exploring, and developing with one's own efforts—is truly addictive."
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