C 81(2)

"Why is the sealing technique so similar to the principles of mathematics?"

When Kain took his group to the Land of Tea, he would often take out the sealing technique scroll Kushina had given him whenever he had free time.

It contained the simplest principles of sealing techniques, including two basic sealing techniques: one for sealing Chakra and the other for sealing actions.

Not only did it provide detailed explanations of the sealing techniques, but it also included Kushina's own practice insights. Judging by the ink's color, it seemed to have been written in the last few days.

"Not only must you have precise Chakra control, but you also need a certain foundation in mathematics. This is a bit like the principles of matrices. No wonder the textbook knowledge in Ninja School seems a bit advanced. It looks like the students are already being screened for talent," Kain mused.

Kain's Chakra control was not bad. He had practiced tree climbing and water walking in private before, and had also learned some ninjutsu. While he couldn't be called a genius, his Chakra control was certainly better than some Chūnin.

He was genuinely interested in sealing arts. Ninjutsu and Taijutsu had limits in the ninja world, but sealing arts seemed to be limitless.

Even the immortal Kaguya had been sealed in the end, and Kain was most interested in the tailed beasts. If he wanted to get his hands on one of these creatures, mastering sealing techniques was essential.

"It's just that I don't need to learn it myself; I can leave this kind of thing to Shadow Clones," he thought.

The biggest advantage of Shadow Clones was that they could bring back memories. As long as they could endure it, they could save a lot of time. When Kain returned to the Marvel world, he planned to use Shadow Clones combined with Transformation Techniques to learn from the people in the biological research center.

Kain's memory was already quite good. By spending three times as long learning and understanding, his biological research skills would continue to improve.

"By the way, I should leave a portion of the dragon's flesh and blood for Orochimaru. Maybe the next time I meet him, I'll have something new to discover."

Kain suddenly remembered this matter. When he left Konoha, he had only remembered to greet and guard against Sarutobi Hiruzen, but had forgotten about it.

Fortunately, he had learned the Summoning Technique and signed a Summoning contract with Ryūchi Cave. Kain wrote a letter to Orochimaru while on the carriage, attaching a magical photo of the dragon. 

He placed the letter, the magical photo, and the dragon's flesh and blood all into a sealed scroll.

Making a sealing scroll was difficult, but using it was very convenient. The sealing formula had already been drawn in advance, and as long as the formula on the scroll was activated, anything could be sealed inside.

"Summoning Technique."

Kain directly summoned a two-meter-long white snake. This was a special summoning snake for him to communicate with Orochimaru. It had Chakra in its body and was a Ryūchi Cave snake that understood human language.

After summoning it, Kain stuffed the sealing scroll into the mouth of the little white snake and then lifted the Summoning Technique. Once the little white snake returned to Ryūchi Cave, it would deliver the message to Orochimaru.

Kain's first summoning had been a green snake, almost two meters long, which was closer to him.

He intended to use this green snake to see if he could bring it to the Marvel world using a space backpack or freezing methods. 

If he succeeded, it could be used to watch over the home, or even to bring the house elf—this would be the real housekeeper.

Although the Land of Tea faces the sea on three sides and is only adjacent to the Land of Fire, it is not very safe.

Kirigakure and Sand Shinobi Village often go to war, but Sand Shinobi generally does not fight Mist Shinobi on the surface of the sea.

Once on land, Mist Shinobi ninjas lose the advantage of the environment and often stalemate with Sand Shinobi Village ninjas.

After all, Kirigakure doesn't have a medical master like Tsunade, who can break all poisons.

The Land of Tea is a country where both sides compete for interests, but fortunately, there are only two Ninja Villages, unlike the Land of Rain, where the Three Kingdoms are at war. In such places, there is no room for civilians to live.

Civilians in the Land of Tea can live far away from the battlefield where the two ninja villages are fighting.

Kain plans to build a port here, along with a military camp, an arsenal, and a centralized commodity factory. If everything goes as planned, the Land of Tea will become his future base camp.

Once Kain's power develops, he can persuade Sand Shinobi and Mist Shinobi to avoid fighting in the Land of Tea. If they still want to buy medicines and other commodities from Kain, they will have to give him this favor.

The Land of Tea is not small, and its daimyo is cowardly and incompetent.

He brutally suppresses the civilians in his own country and turns a blind eye to the killing between Sand Shinobi and Mist Shinobi.

To deal with such a person, as long as Kain's force is stronger than his, the daimyo naturally won't dare provoke him.

This time, Kain brought thirty guards and ten members of the chamber of commerce—twenty of whom were gunners specially trained by him, while the other ten were warriors. 

Four of these ten possessed Chakra, which is considered a considerable force in the Land of Tea.

They focused on buying land, hiring people, and planning the construction of factories.

Kain stayed in the Land of Tea for a while and decided to leave after arranging everything for his subordinates.

He had received a letter from Terumi Shin, who had arrived in the Land of Waves and was waiting for him at the chamber of commerce.

….

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