Konoha: Starting with Sage Mode.

Chapter 40 Corpse Demon Sealing

After Kirito finished showering and changed his clothes, he came out of the guest room and saw about a dozen Nawaki in the living room, covering their heads and staring at a sealing technique, not knowing where to start.

Although Rope Tree dislikes sealing techniques, his training in sealing techniques has never stopped.

It must be said that diligence can make up for lack of talent.

After two years of training, Rope Tree created more than ten shadow clones to study together every day, and his sealing techniques have improved. He can barely use the sealing technique, the first type of lamp array, and has a detailed understanding of many sealing techniques.

"Kirito, you've come at the right time! Come and help me, this stupid problem is driving me crazy."

"You've finally come out! How do we solve this problem? The formula you taught me last time doesn't work."

"Aaaaaah, I can't take it anymore!"

When more than a dozen rope trees saw Kirito appear, they all turned their eyes to him and shouted for help.

Kirito ignored this and nimbly dodged the attacks of several rope trees, quickly reaching the yard.

Seeing Kirito enter the courtyard, Nawaki dared not continue chasing him. He retreated dejectedly and continued to look at the sealing technique formula on the paper with a distressed expression.

After walking through the courtyard, Kirito arrived at the house where Mito usually rested.

At that moment, the door opened, and Kirito could see from afar that Mito was teaching Kushina sealing techniques.

Compared to two years ago, Mito is no longer young and beautiful. She has returned to the appearance she should have at her current age, a kind-looking old woman. Her originally beautiful long red hair has now mostly turned silver.

However, the Yin seal mark between her eyebrows was still there.

Under Kirito's perception, Mito's chakra not only did not weaken, but became even stronger. However, the chakra that was originally full of sunshine now had a cold and evil feeling.

Without a doubt, that was a sign that the Nine-Tails' chakra was beginning to leak.

"Mito-sensei, I'm here."

Kirito arrived at the door, greeted Mito respectfully, and said with a smile.

"You're here. Have a seat and take a look at this."

Mito smiled at Kirito and then handed him a scroll.

Kirito entered the room, took the scroll from Mito with both hands, winked at Kushina who was secretly looking over, and then slowly unrolled the scroll.

His expression instantly turned serious when he saw the contents of the scroll.

The scroll contained a sealing technique he had never learned before, called the Corpse Demon Sealing Technique.

This is an extremely powerful sealing technique, reaching the S-rank level, and it is also a rare offensive sealing technique. It summons the Grim Reaper, and then, at the cost of his own soul, seals the enemy's soul into the Grim Reaper's body, achieving the effect of perishing together with the enemy.

With Kirito's current mastery of sealing techniques, he can naturally understand how to perform this sealing technique. Give him some time, and learning it won't be a problem.

However, even if he learns it, he won't be able to use it for the time being because he doesn't have enough chakra.

The release of this sealing technique requires not only the sacrifice of one's own soul, but also at least Jonin-level chakra.

"How was it? Did you understand it?"

Mito noticed the expression on Kirito's face and asked him a question.

"I can understand it, but it will probably take me a week to learn it."

Kirito answered honestly.

"Since you understand it, I'll give you an assignment: develop a ninjutsu to summon souls based on this sealing technique. The deadline is before dinner."

Mito nodded in satisfaction, and then immediately assigned Kirito a long-awaited homework assignment.

"Yes."

Upon hearing Mito's words, Kirito immediately understood her intention and excitedly replied.

The Corpse Demon Seal itself contains the techniques for sacrificing souls. He only needs to extract these techniques and add some general techniques to quickly create a simple ninjutsu that summons souls. This is not too difficult for him.

As for why Mito would do that to him, it's clear that Mito already knew the conditions for him to learn the art of spiritualization from the Third Hokage, and Mito did indeed have a method to test soul aptitude.

Kirito had no doubt about this.

After all, the Uzumaki clan has even developed an S-rank soul sealing technique like the Corpse Demon Sealing Technique, so it's impossible that they haven't conducted in-depth research on the soul.

All he needs to do now is complete this ninjutsu to summon a soul, and then he can have Mito test his soul aptitude on his own.

Without delay, he immediately took out a spirit card, used the Spirit Summoning Technique: Release Technique to retrieve a blank scroll and pen and ink from it, and then began to quickly write some incantations on the paper.

Kushina, who was standing nearby, couldn't help but sneak a peek and discovered that Kirito was writing the formula on the paper without even looking at the formula on the scroll. She immediately thought to herself, "Let's see how capable you are. You only looked at the sealing technique on that scroll once. I don't believe you can create a new ninjutsu without looking at the formula again."

Sealing techniques are a very precise ninjutsu; if even one of the formulas is written incorrectly, it is impossible to activate them successfully.

"Snap!"

A scroll slammed hard onto Kushina's head.

Kushina immediately covered her head, quickly averting her gaze from Kirito, and then continued to listen attentively to Mito's explanation of the sealing technique.

Kirito's presence was too strong. He was the only male in the room, and a sealing technique genius with far more talent than her. Kushina still couldn't help but secretly go to see Kirito to see if he had succeeded.

Only ten minutes later, she heard Kirito say, "It's finished, Mito-sensei. Please take a look."

Kushina immediately looked towards Kirito and saw him press his hand on the center of a jutsu array formed by many techniques on the paper. As chakra was injected, the entire jutsu array lit up instantly.

The next moment, she saw a pure white Kirito float out of Kirito's body.

"That's it?"

Kushina stared at the pure white Kirito, utterly shocked.

She wasn't mistaken; that pure white Kirito was undoubtedly Kirito's soul.

"Is this what it feels like to have an out-of-body experience? My vision is normal, and my senses are sharper than usual, but I feel a bit cold."

Kirito looked at the motionless body lying on the ground below, then looked at his own current state, closed his eyes, and carefully experienced the changes that were taking place in his current soul state.

At the same time, Mito carefully examined Kirito's soul.

Soon, a look of surprise appeared in her eyes, because she saw Kirito in his soul form walking around the room, and his soul showed no signs of dissipation, remaining perfectly solid.

"Such astonishing soul power! My disciple is truly a prodigy."

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(End of this chapter)