Reaper Death Seal

After washing up and changing clothes, Kirito came out of the guest room to find more than a dozen Nawakis in the living room, clutching their heads as they stared miserably at a sealing jutsu, completely at a loss.

Although Nawaki disliked sealing jutsu, he had never gone a single day without practicing them.

It had to be said that diligence could make up for a lack of talent.

After two years of training, with more than a dozen Shadow Clones studying alongside him every day, Nawaki had made some progress in sealing jutsu. He could barely use Sealing Jutsu: Single Lamp Array, and he had also gained a detailed understanding of much sealing jutsu knowledge.

"Kirito, you came at just the right time! Hurry up and help me! This damn problem is driving me insane."

"You finally came out! How am I supposed to solve this stupid problem? The formula you taught me last time doesn't match up!"

"Ahhh, I can't take this anymore!"

The dozen or so Nawakis immediately turned their eyes toward Kirito when they saw him, loudly clamoring for help.

Kirito ignored them. With agile movements, he dodged the sneak attacks of several Nawakis and quickly made his way into the courtyard.

Once Kirito entered the courtyard, Nawaki no longer dared to pursue him. Dejectedly, he retreated and continued staring sorrowfully at the sealing jutsu formula on the paper.

After crossing part of the courtyard, Kirito arrived outside the house where Mito usually rested.

The door was already open. From a distance, Kirito saw Mito teaching Kushina sealing jutsu.

Compared to two years ago, Mito no longer looked young and beautiful. She had returned to an appearance appropriate for her actual age: a kind-faced old woman. Her once-lovely long red hair had now mostly turned silver.

However, the Yin Seal mark between her brows was still there.

To Kirito's senses, Mito's chakra had not weakened at all. On the contrary, it had grown even stronger. Yet her chakra, which had once felt filled with sunlight, now carried an additional cold and evil quality.

There was no doubt about it—the Nine-Tails Chakra had begun to leak.

"Teacher Mito, I'm here."

Kirito came to the doorway, respectfully greeting Mito with a smile.

"You're here. Sit down and take a look at this."

Mito smiled at Kirito and handed him a scroll.

Kirito entered the room and accepted the scroll Mito offered with both hands. He then made a face at Kushina, who was sneaking glances at him, before slowly opening the scroll.

The moment he saw its contents, his expression turned grave.

The scroll recorded a sealing jutsu he had never learned before, called the Reaper Death Seal.

It was an exceptionally powerful S-rank sealing jutsu, and also a rare offensive sealing jutsu. It summoned the Shinigami and, at the cost of the user's own soul, sealed the enemy's soul inside the Shinigami's body, achieving mutual destruction with the enemy.

Given Kirito's current mastery of sealing jutsu, he naturally understood how to perform it. Given some time, learning it would not be a problem.

However, even if he learned it, he would not be able to use it for the time being because he did not have enough chakra.

The requirements for this sealing jutsu did not merely involve sacrificing one's soul; it also required at least Jonin-level chakra.

"Well? Can you understand it?"

Noticing Kirito's expression, Mito asked.

"I can. I estimate it'll take a week to learn."

Kirito answered honestly.

"Since you can understand it, I'll give you an assignment. Develop a ninjutsu for summoning souls based on this sealing jutsu. The deadline is before dinner."

Mito nodded in satisfaction, then immediately assigned Kirito some long-overdue homework.

"Yes."

The moment Kirito heard this, he understood Mito's intention and answered excitedly.

The Reaper Death Seal already contained formulas for sacrificing a soul. He only needed to extract those formulas and add some general-purpose formulas to quickly create a simple ninjutsu that summoned souls. It was not particularly difficult for him.

As for why Mito had asked him to do this, it was obvious that she already knew about the condition he had made with the Third Hokage to learn the Spirit Transformation Technique. And Mito indeed had a method of assessing one's aptitude for souls.

Kirito had no doubt about that.

After all, the Uzumaki Clan had developed an S-rank soul sealing jutsu like the Reaper Death Seal. It was impossible that they had not conducted in-depth research on souls.

All he needed to do now was complete this soul-summoning ninjutsu, and then he could have Mito assess his aptitude for souls herself.

Time was of the essence. He immediately took out a Summoning Card and used Summoning Jutsu: Release Technique to take out a blank scroll, brush, and ink from inside. Then he began swiftly writing formulas onto the paper.

Kushina could not resist sneaking a look. When she saw that Kirito was writing formulas without needing to look back at the formulas on the scroll, she inwardly grumbled, Let's see how capable you really are. You only looked at the sealing jutsu on that scroll once. I refuse to believe you can create a new ninjutsu without looking back at those formulas.

Sealing jutsu were an extremely rigorous kind of ninjutsu. As long as even one formula was written incorrectly, it would be impossible to activate successfully.

Smack~

A scroll struck Kushina hard on the head.

Kushina immediately clutched her head, hurriedly pulling her gaze away from Kirito and returning her full attention to Mito's explanation of sealing jutsu.

Kirito's presence was simply too conspicuous. He was the only male in the room, and he was also a sealing jutsu genius with far greater talent than hers. Kushina could not help sneaking glances at him to see whether he succeeded.

Yet only around ten minutes had passed when she heard Kirito say, "I'm done, Teacher Mito. Please take a look."

Kushina immediately looked over at Kirito and happened to see him place his hand over the center of a formula array composed of numerous formulas on the paper. As he injected chakra into it, the entire formula array immediately lit up.

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

"Did it work?"

Kushina stared at the pure-white Kirito, her heart filled with shock.

She hadn't been mistaken. That pure-white Kirito was undoubtedly Kirito's soul.

"So this is what Soul Evasion feels like? My vision is normal, and my senses have become sharper than usual, but I feel a little cold."

Kirito looked at the body lying motionless on the ground below, then at his current appearance. Closing his eyes, he carefully felt the changes that had occurred in his current soul state.

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

Very quickly, surprise appeared in her eyes. She saw that Kirito, in his soul state, was actually walking around the room, and his soul showed no signs of dissipating. It remained extremely solid.

"What astonishing soul power. My disciple truly is a monster."

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