I will use the ninja world to aid my cultivation of immortality.

"We must not be greedy. Being able to breathe in spiritual energy is already a very good result."

Naraku's furrowed brows didn't last long; they quickly relaxed.

He is not an ungrateful person.

Although the True Qi Shadow Clone does not have the ability to refine spiritual energy, it can absorb and exhale spiritual energy, which can greatly accelerate his cultivation speed.

With such gains, what more could he ask for?

"Based on my experience with the True Qi Shadow Clone, with my current cultivation level, a True Qi Shadow Clone created at full power can probably inhale and exhale spiritual energy for about half an hour."

However, given my current rate of true energy recovery, I can easily create multiple true energy shadow clones in a short period of time, thereby increasing the number of true energy shadow clones.

Naraku thought quickly and soon came up with an idea.

Without hesitation, he immediately began the second round of testing.

He got up and used the Shadow Clone Technique again, creating another shadow clone of true energy to allow him to continue breathing in spiritual energy.

Then, he immediately activated the nameless martial art to restore his depleted true energy.

When true qi circulates through the meridians, the speed of breathing spiritual energy is much faster than when improving cultivation level.

This is somewhat similar to the principle of a water tank.

Increasing the capacity of a water tank is far more difficult than refilling it after the water has been used up.

Naraku's extraordinary speed of energy recovery allowed him to regain his true energy in no time.

He immediately used Shadow Clone Technique to create a second Shadow Clone of True Qi, which he then had also begin to breathe in spiritual energy.

He repeatedly restored his true energy and repeatedly created shadow clones of his true energy.

By the time the first shadow clone was burst by spiritual energy due to its extreme breathing, Naraku had already created ten true energy shadow clones.

When the first True Qi Shadow Clone dissipated, the feedback spiritual energy, through refining, not only restored Naraku's recently depleted True Qi, but also improved his cultivation to a certain extent.

Without pausing, Naraku, who was refining spiritual energy, continued to create new shadow clones of true energy.

The spiritual energy fed back from the true qi shadow clones through repeated refining.

Despite the busy efforts, the reward was a rapid improvement in cultivation level.

The sun sets and the moon rises, the moon sets and the sun rises.

As the first rays of sunlight pierced through the dense forest, Naraku had been cultivating all night.

"Is it dawn already? Time really flies!"

Feeling the sunlight, Naraku, who was refining spiritual energy once again, stopped what he was doing and stretched.

Despite having trained all night, Naraku did not feel much fatigue.

This is not only due to the extraordinary restorative power of the nameless martial art, but also because of the significant increase in true qi within the body.

A true qi shadow clone can breathe in and out spiritual energy for half an hour.

A True Qi Shadow Clone can absorb spiritual energy for five hours.

In other words, after Naraku refined the spiritual energy exhaled by the ten true qi shadow clones, it was equivalent to him cultivating for five hours on his own.

Even if we have to take into account the time it takes for true energy to recover.

However, after sensing the improvement in his cultivation level tonight, Naraku roughly estimated that the results of his cultivation in one night were comparable to the previous eight nights of cultivation.

This undoubtedly proves that using the True Qi Shadow Clone to assist in cultivation increased his cultivation speed by more than eight times.

"Perfect! At my current cultivation efficiency, I estimate that I should be able to raise my cultivation to the perfect level of Qi Refining in another month."

The significantly increased cultivation speed filled Naraku with joy.

Given the concentration of spiritual energy in the Naruto world and the fact that he only possessed a low-grade spiritual root, it was incredibly fast for him to reach the peak of the first level of Qi Refining in such a short time.

"However, given the current situation, it's no longer possible to return to the apartment to cultivate. I'll have to stay here at the training ground for the long term, but it doesn't really matter."

Naraku stroked his chin, thinking.

The apartment has limited space and obviously cannot accommodate too many true qi shadow clones for cultivation.

However, Naraku is not opposed to settling down at the training ground.

Compared to the training I received at Root, this kind of wilderness life is child's play.

As for the Ninja Academy, it's all being handled by shadow clones anyway, so it doesn't matter where he is.

Chapter 12 Reducing Hand Seals

The appearance of the True Qi Shadow Clone made Naraku even more motivated for his upcoming training.

After taking a break and returning to his apartment to pack some necessities, he found a place to stay at the training ground.

Days passed one after another.

Before he knew it, a month had passed since he last received the mission to prevent Uchiha Shisui from graduating early, which meant that Naraku needed to submit the student information he had collected within the Ninja Academy once again.

It was still in the secret room beneath the weapons shop.

After submitting the intelligence, Naraku skillfully engaged in a deep yet simple exchange with his captain.

After being tormented for more than an hour, Naraku rested his head on the armrest of the sofa and lay there lazily.

Similarly, Nono, who had just finished talking, casually lay on Naraku's body.

"You've been in the Ninja Academy for more than half a year now. How's your progress? Have you made any breakthroughs in your strength?"

After all, he was a ninja, and a Jonin at that.

After catching her breath, Nono recovered. With her long, flowing golden hair, she raised her beautiful face and asked Naraku a question.

Naraku was able to enter the Ninja Academy through his connection with Nonou.

Given the nature of the Root organization, missions like gathering student intelligence within ninja academies are highly sought after.

Safety is the primary concern.

Nobody wants to be in danger.

Even members of the root organization are the same.

Therefore, it wasn't easy for Naraku, who was only a reserve member, to get this mission; he could only rely on his captain's connections.

As for Nono's explanation, Naraku naturally wouldn't be foolish enough to say that he wanted to cultivate immortality, so he made up the excuse that his strength had entered a stagnation and he needed a quiet period of time to settle down in order to seek a breakthrough.

Nonou is asking because she wants to know about Naraku's training progress.

As the two had engaged in a deep conversation, Nono knew very well that the man before her, regardless of how he appeared to the outside world, was absolutely arrogant at heart.

It was this same rebellious spirit that attracted her.

Living a life of repression within the Root Organization, many people are actually quite numb.

Even Nono herself deliberately numbed herself in some ways.

But the man in front of me was different.

The other party has never been numb.

Whether it was the subtle discoveries made during their daily interactions or the proactive efforts to seek sealing techniques, Nono knew clearly that the other party had always been resisting.

They rebel against the oppression of the Root organization and against this numbing world.

“I’ve found a breakthrough. Give me some more time, and you might see a completely new me.” Naraku’s gaze shifted downwards, meeting Nonou’s eyes, and he said with a smile.

"Then I'll be looking forward to it!" Looking into Naraku's eyes, Nonou vaguely sensed from Naraku's gaze that the "complete transformation" he was talking about might exceed her expectations.

However, this feeling actually made Nono's heart flutter, and she couldn't help but show a gentle smile.

No matter what changes Naraku undergoes in the future, they will likely be for the better.

That's enough.

There was no further communication.

Before gaining his freedom, Naraku couldn't show too much, so when he saw Nono's gentle smile, he simply raised his hand and hugged her tightly, conveying his body heat to her.

A moment of tenderness.

The two separated again.

Nonou delivered the information submitted by Naraku to the Root organization, while Naraku returned to the training ground to continue his training.

Zheng!

The taut steel wire was touched, and the next second, various mechanisms at the joints of the wire were activated.

From all directions, whether within the lush canopy of trees or beneath the soil, dense shuriken and kunai shot out, heading straight for the steel wire in the center.

Standing next to the steel wire was Naraku.

True Qi circulates throughout the body.

At such rapid speed, the body transformed into a distorted, blurry shadow.

Within a small space, Naraku used various small movements and dance-like, high-difficulty actions to dodge all the shuriken and kunai that came from all directions.

The shuriken and kunai that missed their mark either pierced nearby trees or stuck diagonally into the surrounding soil.