Naruto: Reincarnated as Sasuke Uchiha with Perfect Talents.

The moment after Sasuke finished speaking.

Another team of ninja approached the area.

Similarly, they were also Anbu ninjas, indicating that Tsunade was indeed very busy right now.

Sasuke didn't say anything further and left immediately.

Even as Sasuke departed, the ninjas responsible for medical care around him didn't even glance up at him.

On the busy battlefield, Sasuke seemed far less conspicuous.

After leaving the battlefield, Sasuke quickly headed toward Konoha.

'Three days' time these three days cannot be wasted!'

Obito had already appeared, and it seemed the Akatsuki were also stirring.

Sasuke needed to grow stronger as quickly as possible.

Every moment had to be used effectively.

Although there weren't many ninjas in the entire ninja world who could confidently defeat Sasuke at this point.

Sasuke's goal wasn't these ninjas, but rather Kaguya.

Unless he reached a level of strength capable of defeating Kaguya, Sasuke wouldn't allow himself even a brief moment to relax.

Otherwise, he would have to continue growing stronger.

Activating Lightning-Flash Mode, Sasuke sped toward Konoha like a thunderbolt.

'Instead of returning to Konoha, I might as well head to my previous secret training ground. Every second of these three days needs to be used for training!'

With this thought, Sasuke changed direction and accelerated toward the training ground he had once used exclusively.

Previously, to avoid being spied on by Hiruzen's Telescope Technique,

Sasuke had specifically found a secret location outside Konoha for training.

He initially thought he wouldn't need it anymore after leaving Konoha, but unexpectedly, there came a day when he would use it again.

Traveling with Lightning-Flash Mode, Sasuke took less than an hour.

He successfully returned from the battlefield to the area near Konoha.

With no ninjas currently nearby, Sasuke had even less to worry about.

He went straight to his former secret training ground.

Though he hadn't been there for a while, the place was still well-hidden and had undergone little change.

The only noticeable difference was that the forest at the entrance appeared slightly sparse.

Making it easier to be discovered.

Using Wood Release, Sasuke recreated a patch of dense forest, making the secret training ground perfect once again.

By the river, Sasuke removed his Anbu attire.

He retrieved his usual clothes from his storage bracer and changed into them.

He also took the opportunity to bathe.

But after that, there was no time to waste.

Numerous ninjutsu levels needed to be improved, but Sasuke wasn't in a rush to start with those.

Right now, Sasuke wanted to see the true effects of his Yin Release Chakra.

What he could clearly feel was its significant boost to his mental strength. After the battle with Danzo,

when he had been feeling somewhat exhausted, he suddenly felt mentally invigorated in an instant.

It was evident that Yin Release had some influence on the mind it couldn't possibly have no effect.

While the mental aspect was confirmed, Sasuke was now more interested in discovering:

Could Yin Release be integrated into ninjutsu?

Sasuke knew how to combine two types of chakra.

After all, he had the ability to use Wood Release.

But that was accomplished with the help of the system, and Sasuke himself had little to do with it.

However, Sasuke remembered the sensation.

"In the original story, Madara used a technique Yin Release Lightning Style!"

"But I don't know if it's classified as Yin Release or Lightning Release!"

It was apparent that Yin Release could somehow relate to Lightning Release, so Sasuke wanted to try integrating Yin Release Chakra into Lightning Release and see what would happen.

The power of Yin Release was strange.

Unlike Lightning Release, Water Release, or Fire Release,

when Sasuke used those types of chakra, even just performing nature transformation,

he could sense the corresponding energy. But when it came to Yin Release, simply transforming its nature left Sasuke unable to sense any energy.

He could only vaguely feel a strange and unsettling energy emerging.

Sasuke closed his eyes and first activated Lightning Release Chakra within himself.

Specifically, he performed a nature transformation to give his chakra lightning attributes. After completing that, he began transforming the chakra to have Yin attributes.

Transforming chakra to have two natures simultaneously.

This was the sensation Sasuke had experienced while using Wood Release.

Now, he applied that sensation to Yin Release and Lightning Release.

Suddenly, Sasuke felt the difficulty.

The control over chakra required was extraordinarily high, and visible beads of sweat formed on his forehead.

When Sasuke completed this step and opened his eyes,

the sun was already beginning to set.

Before entering the training ground, it had been midday.

Now it was sunset, and just mastering the simultaneous transformation of two chakra natures had taken such a long time.

Sasuke was somewhat surprised.

But this was just the beginning. Next, he would attempt to merge the two chakra types.

Chakra fusion was the truly challenging part.

For example, with Sasuke's Wood Release, Water Release Chakra and Earth Release Chakra needed to merge in varying proportions depending on the situation.

The resulting Wood Release would differ accordingly. If chakra emitted a specific frequency, then the so-called Kekkei Genkai

required the two types of chakra to be fixed at a single frequency. Only then could they merge to create a new Kekkei Genkai.

Determining the appropriate frequency for fusion required trial and error.

During his first attempt, beads of sweat as large as beans started rolling down Sasuke's temples.

Sasuke didn't expect success on the first try, but in the next second, the two chakras fused.

The speed was unexpectedly fast, completely beyond Sasuke's expectations.

The Yin Release Chakra seemed to be directly absorbed into the Lightning Release Chakra.

Sasuke's eyes snapped open.

Boom!!

Crackling…

Lightning surged chaotically around Sasuke, its color changing.

Black lightning!

Sasuke was stunned black!

It was black lightning!

Sasuke had only used black lightning once before, during his fight with Naruto when Naruto controlled the Tailed Beast Chakra.

But now, black lightning had appeared again, leaving Sasuke in shock.

'Yin Release… fused with Lightning Release!'

'Or should it be said that Lightning Release absorbed Yin Release, resulting in black lightning?'

Black Lightning Style!

What did this mean?

Sasuke was puzzled, but the color wasn't the main concern. What mattered was the power of this Lightning Style!

Narrowing his eyes slightly, Sasuke immediately used the Lightning Style Discharge technique.

Using the Lightning Release Chakra, he performed the Lightning Style Discharge technique.

The black Lightning Release around Sasuke instantly turned into a massive lightning serpent and blasted outward…

Crack~Boom!!!

Sasuke gazed at the shattered rock, overwhelmed with excitement...

"Yes!"

"What incredible power..."

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