In the Kamui dimension, in a secluded area specifically separated by Obito, various experimental instruments were arranged.
The figures of Obito, Rin, and Kakashi appeared here.
Looking at the various high-precision machines around, Rin exclaimed in amazement, "I didn't expect you, Obito, to have transformed this place so much in just three short months."
Seeing Rin's admiring gaze, Obito couldn't help but feel proud.
Setting up this place had indeed taken him a lot of effort.
First, he met with Fugaku and persuaded him to take out a large sum of money secretly preserved by the Uchiha clan in the Cat Ninja Village(Ninneko). Then, using the Flying Thunder God technique, he made several trips to the nearest black market outside Konoha, laundering all the money.
Finally, he procured everything from different sources separately, ensuring that all the goods were gathered without attracting attention.
Fortunately, Obito had dealt with the black market often in the past and was very familiar with its operations; otherwise, it wouldn't have been so easy to get everything done.
The purpose of all this, of course, was secrecy.
Otherwise, if he had just acquired the Wood Release experiment data from Orochimaru, and then right after that, Orochimaru heard that someone had spent a fortune purchasing various experimental instruments, wouldn't that be as good as exposing himself?
Moreover, there was still Madara watching from the shadows. Since Madara had lost a White Zetsu, although that White Zetsu hadn't managed to relay any information, Madara would still become more vigilant.
For this reason, even the experiment site was moved into the Kamui dimension.
Although frequent use of Kamui would lead to vision deterioration, Obito was about to transplant Hashirama cells soon, so he wasn't too worried.
This space could only be accessed freely by him. No one else could infiltrate it, making it as safe and confidential as possible.
The only thing to keep in mind was that in future battles using Kamui, he shouldn't accidentally teleport anything near this area.
Actually, the Kamui dimension was vast, so vast that one couldn't see its end. As long as he chose a spot far enough away, there was no need to worry about anything except for large-scale Six Paths-level jutsu.
As for if he ever needed to transfer a Six Paths-level attack, then at that point, he wouldn't have the luxury to care about such things.
Thinking of this, Obito said to Rin, "Rin, from now on, this will be our secret base. Besides being used as a lab, it can also serve as a temporary wartime shelter."
Rin nodded with joy and said, "With this secret base, our missions will be much safer. At the very least, we won't have to worry about being ambushed while camping overnight in the wild."
Obito smiled, "Then, Rin, I'll leave the transplantation of Hashirama's cells to you this time."
Rin chuckled, "Don't worry, I've studied all the information you gave me. I have no issues handling the transplantation process."
On the side, Kakashi let out a dissatisfied snort, "Obito, I can understand that you need Rin, a medical ninja, to assist in your experiments. But why did you call me here as well?"
Obito pointed around and said, "Kakashi, haven't you noticed what's missing in my lab?"
Kakashi froze, "What's missing?"
Obito replied, "Electricity. I need someone to generate power for the lab, and Kakashi, you're obviously the best choice."
Kakashi immediately looked displeased, "You're treating me as a power generator?"
"Logically speaking, Rin could also use the power of the Dragon Vein to do this. After all, such a massive city like Roran relied on the Dragon Vein for energy supply, so a small lab like mine shouldn't be a problem either."
Obito said, "The Dragon Vein can indeed provide energy, but Rin is busy transplanting my cells and doesn't have time."
"Kakashi, actually, powering this experiment is beneficial for you too. While your chakra reserves aren't small for your age, compared to true chakra monsters, they're still lacking."
"I've thought of a great way to increase chakra reserves, by repeatedly consuming chakra. That way, the upper limit of chakra will gradually increase with each depletion."
Kakashi gave Obito a dead-fish stare, "You're just making me work like a beast of burden while pretending it's for my own good. Fine, tell me, how do I generate power?"
Obito pointed to a metal platform in the center of the area, "Just channel your Lightning Release chakra into that. I specially asked Big Sis Kushina to make this energy converter. It contains high-level sealing techniques that can efficiently utilize energy without excessive waste. It's even more advanced than the one in Roran."
Kakashi rolled his eyes but, out of curiosity, still walked up and channeled his Lightning Release chakra into the converter.
Immediately, the surrounding space lit up, and some machines started operating.
Kakashi couldn't help but be amazed, "So chakra can be used like this too? This is great, it's not just for killing, but it can also bring convenience to many people."
Obito said, "Exactly. I never thought about it before either, but after seeing how Roran used the Dragon Vein, I got the inspiration."
"Perhaps this was the Sage of Six Paths' original intention when he created Ninshu(Ninja Creed), to use chakra for the benefit of mankind."
After channeling chakra for a while, Kakashi started feeling drained and said, "I can't keep this up for long. If I stop channeling chakra, will the lab stop functioning?"
Obito shook his head, "Don't worry. The chakra you infused gets stored automatically. That's why I asked Big Sis Kushina to help."
"Although your chakra reserves aren't much, one infusion should last quite a long time."
Kakashi immediately felt like he had been tricked.
"Then Rin could just infuse Dragon Vein chakra the same way!"
Obito laughed, "Of course, this was designed based on Rin's Dragon Vein power. But a Jinchuriki's chakra is too immense, far beyond that of an ordinary ninja, making it inconvenient to use as a measurement for how long a regular ninja's chakra could sustain this place."
Kakashi's face darkened, "So that was your real goal, you were using me as an experiment?"
Even though he said this, Kakashi didn't stop channeling chakra.
Obito reassured him, "Kakashi, I'm doing this with the future in mind. Maybe one day, we can develop more devices like this, allowing ordinary ninjas to use them. Who knows, we might even benefit humanity while making a fortune ourselves." [T/N: I kind of liked Villain Obito]
After hearing that, Kakashi felt like this might actually be possible.
For a moment, he wasn't sure whether to feel resentment or satisfaction.
Obito continued, "So don't be stingy. Pour all your chakra in at once and stop after that. Once we get enough data, if this device gets widely adopted, we might as well use your chakra reserves as a standard measurement unit."
"What should we call it…? Let me think…", After pondering for a while, Obito's eyes lit up, "I got it! One full chakra reserve of Kakashi shall be called—one Ka."
"This way, if this device gets popularized in the future, you'll have made a small name for yourself, won't you?"
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