Konoha Tatsuno

The reason why Tatsuno wanted to develop a chakra sealing technique similar to the Yin seal was to greatly improve his strength in a short period of time.

In the ninja world, pure taijutsu players like Metkai and Xiao Li are in the minority after all. The main criterion for evaluating a ninja's strength is the amount of chakra in his body.

The amount of chakra in a ninja's body not only determines the power of the ninjutsu performed by the ninja, but also affects the endurance of the ninja's battle.

It is the key factor that determines the outcome of the battle.

In a battle, chakra-rich players like Jinchuuriki and Kisame can unleash a wide range of ninjutsu unscrupulously, exerting tremendous power whether in single combat or on the battlefield.

A player like Kakashi, who has an ordinary physique and is restrained by the Sharingan, can often only use chakra accurately through outsmarting.

After a hard fight, even if you are not injured, you will be weak for a few days.

Since an individual ninja has a limited amount of chakra, and it is difficult to store chakra in the form of energy, there are very few ninjas who can possess tons of chakra.

It’s basically a dick!

In Tatsuno's knowledge, the only ninjutsu in the entire ninja world that can solve the problem of chakra storage is Yin Seal.

This is an S-level auxiliary sealing technique that allows ninjas to accumulate a large amount of chakra over a long period of time. Once the seal is released at the critical moment of the battle, a large amount of chakra can be obtained.

Tsunade can only use the art of creation, regeneration and Baihao when she has the Yin Seal.

For Tatsuno, who possesses the disease sealing seal and the secret technique of physical activation, the speed of chakra refining is no longer the key factor limiting the rapid improvement of his strength.

The key factor limiting the rapid improvement of Tatsuno's strength is that the upper limit of the amount of chakra that his young body can contain is too low.

Although this point continues to grow as Tatsuno's body grows and the body's physical activation secret technique improves his physique.

But this kind of growth still takes a long time and cannot allow Tatsuno to reach a certain height in a short time.

Chakra sealing techniques like Yin sealing are the best solution.

With the powerful function of the sealing seal, Longye can quickly recharge after bursting out with all his strength in battle, maintaining strong combat effectiveness for a long time.

Moreover, the most important point is that Long Ye wants to learn immortality.

Senjutsu, this is the ladder that can help Tatsuno leap into the top combat power of the ninja world.

After getting the celestial scroll of Ryūchi Cave from Orochimaru, Tatsuno couldn't wait to study it.

After interpreting the method of practicing immortality in Longdi Cave, Long Ye discovered that there are three key points in whether he can use immortality.

In the ninja world, there are so few ninjas who know senjutsu, mainly because the learning conditions are too harsh.

First of all, basically 99% of ninjas are stuck on this point, which is the perception of natural energy.

Without the help of the immortals of the three holy places, it would be very difficult for humans to perceive and absorb natural energy.

Currently, Jugo is the only one in the entire ninja world who can do it on his own.

Jiraiya and Naruto both developed senjutsu with the help of Fukasaku Sennin.

Secondly, the key to the learning of senjutsu is the ninja's control over chakra.

When a person activates ninjutsu, he relies on activating the chakra in his body. Ordinary chakra is obtained by mixing his own physical energy and mental energy.

Senjutsu Chakra is formed on this basis by absorbing natural energy and completely integrating it.

However, to maintain the balance of the three chakras, one-third of each chakra can be activated.

If it exceeds one-third, it will be swallowed by the power of nature and the body will begin to turn to stone. If it is less than one-third, the immortal mode cannot be activated.

The third key point is the amount of chakra in the ninja's body.

As far as learning magic is concerned, it seems that as long as you do the first two points, you can learn and perform magic.

But in specific battles, the amount of chakra in a ninja's body is also a key factor in whether he can use senjutsu.

Because the vast majority of senjutsu are powerful ninjutsu, they consume a lot of senjutsu chakra. If a ninja wants to maintain the sage mode, he must maintain a large amount of chakra in his body to ensure that the three types of energy are maintained continuously. There will be an imbalance.

Otherwise, you may be eroded by natural energy if you are not careful.

This can be seen in the Fourth Hokage Namikaze Shuito.

As a disciple of Jiraiya, Namikaze Minato learned senjutsu, but before his death in battle, he had rarely used it on the battlefield.

Even with the heaven-defying skill of Flying Thunder God, the bonus of senjutsu to Namikaze Minato's combat power is still extremely terrifying.

The main reason why Namikaze Minato does not use it is because the amount of chakra in his body is insufficient. Using Senjutsu will greatly reduce his ability to sustain combat.

By the time of the Fourth Ninja War, Namikaze Minato, who had obtained the Nine-Tails Mode in the Death God's belly, was able to activate the Sage Mode instantly on the battlefield.

If you want to learn magic, Long Ye doesn't meet all three conditions now.

Regarding the control of chakra in the body, Tatsuno can use shadow clones to continuously gain experience, but for the time being, there is no good solution for the perception of natural energy and the amount of chakra.

Now Tatsuno wants to solve the problem of chakra quantity first. With sufficient chakra quantity, even if he still cannot practice magic, his strength can be greatly improved.

Tatsuno used the biochip to make an estimate. At his current growth rate, if he wanted to learn and perform magic in a step-by-step manner, it would probably take him three or four years to reach the standard.

For this reason, Tatsuno was eager to develop a copycat version of the Yin Seal.

The fastest way to develop a copycat version of the Yin Seal is to plagiarize the original version, but this is impossible for Tatsuno.

As an S-level auxiliary sealing technique, the Yin Seal has been used throughout the entire Hokage. Its users are only Uzumaki Mito, Tsunade and Haruno Sakura. It is a unique skill passed down from master to apprentice.

Currently, only Tsunade knows how to practice the Yin Seal, and there should be no training scrolls in the secret vault of Konoha Village.

Otherwise, with the urinary temperaments of Danzo and Orochimaru, they would not leave such a powerful ninjutsu unstudy.

Even if there is a Yin-sealed training scroll in Konoha's secret vault, it is basically impossible to obtain it given Tatsuno's current identity and contribution to the village.

However, after a period of thinking, Long Ye already had a preliminary idea in his mind.

That is to start studying necromancy and contract seals.

The essence of chakra is a mixture of physical energy and mental energy. If you want to store chakra, you must be able to store these two kinds of energy.

There is a clever trick in the Akimichi clan's family secrets for storing body energy, and it is not difficult for Tatsuno to overcome this.

In terms of spiritual energy, Tatsuno once discovered runes similar to storing spiritual will in a psychic contract.

Moreover, the contract seal can directly isolate the contractual relationship between the ninja and the psychic beast, indicating that it contains runes that can prevent the spiritual will from penetrating and escaping.

If the runes related to spiritual will in the psychic contract and contract seal can be reproduced, it may not be impossible to create new sealing techniques.

Once the problem of storing spiritual energy is solved, it is not difficult to store chakra.