Naruto: Reincarnated as Sasuke Uchiha with Perfect Talents.

After several more attempts, Sasuke felt that the effects of genjutsu, under the enhancement of Yin Release,

had improved dramatically.

The improvement was immense, at least tenfold compared to before.

From now on, genjutsu could also become one of Sasuke's trump cards.

However, what puzzled Sasuke was the earlier scene.

Seeing the real shuriken appear was that truly just his illusion?

Or could it be that something hidden lies between Yin Release, the Sharingan, or genjutsu that he has yet to discover?

Though he was eager to uncover the secret, it was already late.

Exploring Yin Release had consumed an entire day for Sasuke.

Combined with the battle against Danzo, Sasuke was already exhausted.

Now, rest was necessary even Sasuke wasn't an ironman; he also needed sleep.

A silent night passed.

The next morning, after waking up, Sasuke casually ate two soldier pills and immediately threw himself into training.

First was Lightning Release training, conducted in a secret training area,

where he didn't have to worry about making too much noise.

Lightning Release, after all, is a jutsu type that produces significant commotion.

Sasuke wanted to master the power of Black Lightning as soon as possible.

So...

For the next three days, the first focus was Lightning Release.

Among the Lightning Release techniques that required leveling up, Endless Thunder Pool took priority,

along with Web of the Mind, both of which needed to be advanced to the minor accomplishment stage.

Currently, both techniques were only at the proficient level.

Endless Thunder Pool wasn't a direct attack-type jutsu; it was more like an auxiliary enhancement-type jutsu.

Once activated, the next Lightning Release jutsu unleashed could exhibit a terrifying power beyond its limits.

Thus, if Sasuke could ultimately master this technique,

he could freely activate the Endless Thunder Pool at any time,

and the power of all his Lightning Release jutsu would become extraordinarily fearsome.

However, the chakra consumption for this jutsu was immense, and the increased difficulty posed a challenge.

Sasuke chose to activate Sage Transformation simultaneously.

Although Sasuke still didn't know how to quickly level up Sage Mode,

using it more frequently was certainly beneficial.

At the very least, it could accumulate valuable experience!

With Sage Transformation activated, Sasuke began training Endless Thunder Pool.

He continuously cast the technique, honing its release, control, and maintenance.

Training was a tedious and monotonous process.

But for Sasuke, it was a wonderful one a process to be enjoyed.

As he felt his control over jutsu grow stronger and its release become more fluid,

Sasuke completely immersed himself in this state of enjoyment.

Time flew by, and by the end of the day,

Sasuke had practiced hundreds of times.

This technique indeed proved to be quite challenging.

Finally, at around 4 PM, Sasuke heard the system notification.

[Congratulations to the host, Lightning Release ~ Endless Thunder Pool level up]

[Lightning Release ~ Endless Thunder Pool (Minor Accomplishment)]

With the level-up, Sasuke could feel the changes.

First, the time needed to cast the technique had decreased, and chakra accumulation became faster.

Most importantly, he could now release other jutsu while accumulating chakra.

With Sasuke's ability to form seals with one hand, he essentially gained combat capability simultaneously.

He could form seals with his left hand while attacking or casting other jutsu with his right.

This meant that using Endless Thunder Pool during battle was now feasible.

Previously, Sasuke had needed Kimimaro to buy time for him to use this technique in combat.

Now, the change was substantial.

But this wasn't the time to rest.

Training continued.

The next technique, Web of the Mind, also required considerable time.

Training Web of the Mind might be slightly easier than Endless Thunder Pool.

However, Sasuke estimated that getting both techniques to the minor accomplishment stage in one day would already be commendable.

At this pace, advancing all techniques to the minor accomplishment stage would require quite a bit of time!

But complaining wouldn't help.

Sasuke resumed training Web of the Mind.

This time, the time spent wasn't much less than with Endless Thunder Pool.

By around 8 PM,

Sasuke finally heard the system notification.

[Congratulations to the host, Lightning Release ~ Web of the Mind level up]

[Lightning Release ~ Web of the Mind (Minor Accomplishment)]

With both Lightning Release techniques now at the minor accomplishment level,

Lightning Release and Fire Release techniques had fully met the system's requirements for Jonin.

Next up was Water Release!

And the Wood Release Kekkei Genkai techniques.

The upgrade of Web of the Mind to the minor accomplishment level brought notable changes, such as faster chakra accumulation and an expanded detection range.

Even without the enhancement from Endless Thunder Pool, the detection range could now reach about 200 meters.

Moreover, when activated instantly, everything within a 30-meter radius could be sensed.

These improvements were significant.

Though the two Lightning Release techniques had consumed an entire day, Sasuke felt quite satisfied.

Training and becoming stronger

nothing felt more satisfying to Sasuke than that.

Even the nighttime couldn't be wasted.

Chakra enhancement was no longer an urgent priority for Sasuke.

Now, Sasuke needed to focus more on advancing his Sharingan and the Wood Release Kekkei Genkai.

Tonight, he would start with the Sharingan.

Using Sharingan training as a substitute for sleep.

Sitting cross-legged, Sasuke entered a state of meditative training.

However, as soon as Sasuke began to activate the Sharingan training method obtained from the system,

the Yin Release chakra started to exhibit strange fluctuations.

It seemed to be assisting the training method in enhancing Sasuke's Sharingan.

At the first sign of this phenomenon, Sasuke nearly stopped his training.

But feeling the sense of comfort emanating from his Sharingan, Sasuke mustered his determination and pressed on.

In just a matter of minutes,

Sasuke heard the system notification again.

[Congratulations to the host, Sharingan successfully advanced to the second stage]

[Eye power enhanced, visual jutsu power increased]

Sasuke suddenly opened his eyes.

The gaze emitted from his pair of Mangekyou Sharingan was even more astonishing.

Sasuke clearly felt that his perception seemed to have risen to another level.

'Yin Release chakra can accelerate the training of the Sharingan?'

'If that's the case, Yin Release strengthens the Sharingan, then wouldn't Yang Release strengthen Wood Release?'

Thinking about this, Sasuke even considered the reverse possibility.

Enhancing the Sharingan could strengthen Yin Release, and enhancing Wood Release could strengthen Yang Release.

If the Wood Release Kekkei Genkai were elevated to a certain level, it might even enable him to gain Yang Release chakra!

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