While inwardly complaining about Senju Tobirama's wickedness, which made him unable to stay in his own office, he also highly valued the questions Tobirama raised.
About an hour later, Kabuto appeared in the conference room.
The so-called 'Heaven's Eye' was the Ninja World's second artificial satellite launched by the research institute.
As for the first, it was, of course, the Moon created by the Six Paths Sage.
When Sasori successfully captured Yuuki, and Yuuki signed a labor contract with him, one of the tasks on the accompanying task list was 'an instrument capable of flying out of the Ninja World with monitoring equipment.'
After several years, Sasori made significant progress on this matter.
However, it was still far from meeting Yuuki's requirements; the monitoring equipment was already extremely advanced, but how to send the object up was a huge challenge.
Yuuki did not mention the methods of his previous life's Earth to limit Sasori and other researchers' imagination.
The people of the Ninja World were not foolish; the principle of rockets was extremely simple, so it was impossible for them not to think of it, but it was rejected as soon as it was proposed.
It was not only hugely expensive but also created too much commotion, so it was abandoned as soon as it was proposed.
The cost of building a rocket was not just the visible parts; every single component required its own production line.
Both material and time costs were enormous.
In the Ninja World, it naturally had to have Ninja World characteristics; not using Chakra but using fossil fuels seemed a bit like putting the cart before the horse.
Fire Release Chakra and Wind Release Chakra could both provide power, but to completely break free from the Ninja World's Gravity, it also required immense Chakra and would cause a huge commotion.
There was a jutsu in Earth Release that reduced Gravity, but it also did not meet the requirements.
After several years, not only the monitoring equipment but also the stealth and durability of the delivery equipment materials had been developed to the extreme.
Only power remained a major problem; Sasori had barely managed to understand Earth Release before he left.
He figured out the principle of Iwagakure's Lightweight Rock Jutsu, and that was with a little help from Deidara.
Yuuki, however, knew the answer to this; truly mastering Gravity was impossible; in the Chakra system, the symbol of mastering Gravity was the Rinnegan.
Fortunately, the goal was not to master Gravity but merely to counteract Gravity; through the cooperation of Wind, Fire, and Earth, the goal should be achievable.
After Sasori left, the research did not stop; Kabuto took over most of the work Sasori left behind.
The research progressed slowly and steadily; according to Kabuto's estimate, it would only take five years to achieve the goal!
The words 'only five years' made Yuuki not even know where to begin complaining.
Yuuki, who was cooperating with Black Zetsu, could drag it out for not just five years but ten, but the longer it dragged on, the more variables there would be.
After Yuuki learned of this situation, he directly assigned the research to Kabuto.
It was Izumi, who had just undergone special training from Yuuki himself; at Yuuki's level, he could only give Izumi a basic foundation.
Further special training after that could only be conducted by Kabuto.
The scene where Izumi threw Kunai completely exposed her shallow understanding.
Even a probability infinitely close to zero could be made to happen inevitably, which showed the power of Izanami.
How could Yuuki waste such a useful cheat? He would certainly make the most of it.
Izumi's appearance caused Senju Tobirama's value to plummet, making Yuuki completely lose interest in him.
Under Kabuto's guidance, in just one afternoon, various difficulties that would have taken five years to overcome were directly solved.
The freshly produced satellite, after simple trials and tests, quietly ascended into space.
Just one was enough to cover the entire Ninja continent.
Yuuki, with his new toy, looked here and there with 'Heaven's Eye,' but now, thinking back, he could only sigh, holding his forehead.
He was careless!
He hoped no one in the Ninja World had perceived it yet, after all, the operation of staring intently at one person had only been used on Senju Tobirama.
Looking at Kabuto after he entered the conference room, Yuuki asked, "Have you tested 'Heaven's Eye's' surveillance with a sensory Ninja?"
Facing Yuuki's question, Kabuto thought for a moment and replied, "Hokage-sama, we used different types of sensory Ninja to test 'Heaven's Eye,' and not a single one could perceive 'Heaven's Eye's' surveillance. Is there a loophole?"
Kabuto, who was very familiar with Yuuki's style, knew that Yuuki would not ask questions without reason, so he naturally thought whether 'Heaven's Eye' had an unknown flaw.
"Next, we will test again, and I will personally participate."
Yuuki, who did not believe Senju Tobirama would lie to him, decided to conduct a test himself as well.
"Okay, I will arrange it immediately, Hokage-sama!"
His doubts were not answered, but Kabuto did not mind; after receiving Yuuki's order, he immediately agreed and began preparations.
Yuuki also went to the experimental building with Kabuto.
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