Naruto: Awakening Eternal Power with My Eye Techniques

With a solid foundation, Shiyu Uchiha aimed to study the theoretical knowledge of Secret Jutsu and Yang Release through Kujaku;

There was also the end result—the successful completion of Haru Hoshizora as a reference point;

Plus the treasure "Hoshizora" for assisted cultivation, along with [Enlightenment]—an ability that temporarily boosted intelligence.

Combining all these factors, Shiyu Uchiha made noticeable progress daily in researching secret techniques. Although he occasionally encountered difficult problems, he could always seek outside help. As time passed, not only did he successfully complete and minimize the dangers of Kujaku: Tsubasa, but he also managed to master it. Naturally, much of this success was due to the power of "Hoshizora."

After mastering "Tsubasa," Shiyu Uchiha began testing it out as usual. Thanks to Haru Hoshizora's prior experience, he mastered several flying techniques in just a few days and had already become capable of freely soaring through the sky like a bird.

At this point, the temptation of "Hoshizora" to Shiyu Uchiha had grown multiple times stronger than before, causing him to partially lose his rationality and overlook some potential dangers. So, he no longer tried to hold back his inner desire and began planning to absorb "Hoshizora."

Since he had long considered this idea, while studying how Hoshizora could assist in developing and cultivating Kujaku, Shiyu Uchiha had discovered a method to use his own Dōkuriki as a bridge to absorb the Ten-Tails' life force hidden inside the "Hoshizora."

Before beginning cultivation though, Shiyu Uchiha once again imprisoned Haru Hoshizora, with the guard Saya on duty, ensuring no interruptions during his training.

Shiyu Uchiha first activated his Sharingan with three tomoe, then placed the "Hoshizora" onto his forehead. He proceeded to channel a steady stream of Dōkuriki into it using a meditation technique. Through this process, the faint strand of the Ten-Tails' original life force inside the "Hoshizora" crossed over via his Dōkuriki and entered his body.

Once this tiny fragment of the Ten-Tails' vitality entered Shiyu Uchiha's body, it gradually started integrating into him under the attraction of the Uchiha bloodline. During this integration, a warm and pleasant sensation spread throughout his entire body, as if he were soaking in a hot spring.

Moreover, the Ten-Tails' life force steadily strengthened his bloodline-based constitution. Shiyu Uchiha sensed clearly that not even a trace of that power diminished—it showed its extraordinary quality.

While Shiyu Uchiha enjoyed the benefits of growing stronger, unknown to him, danger approached hand-in-hand with these blessings.

As time passed, this sliver of the Ten-Tails' life force fused further with his body, producing massive amounts of bloodline energy. The quality and quantity of this energy surpassed anything experienced before.

This immense wave of bloodline energy flooded into his Sharingan like a tidal wave, combining with Shiyu Uchiha's spiritual strength to create large quantities of high-quality Dōkuriki—this marked a complete qualitative leap compared to past levels.

The sudden influx of superior Dōkuriki caused his Sharingan to spin rapidly. With each passing moment, his Sharingan grew even more powerful, seemingly on the verge of evolving entirely.

The dōkuriki sent an unprecedented chill through Shiyu Uchiha. It pierced through his very bones, as if something were fixated on him, causing him to shudder involuntarily. Even the Sharingan struggled to withstand this immense force.

Especially when the amount of Bloodline Power kept increasing, gradually exceeding his transformation limit, vast quantities of it gathered outside the spiritual sea's Sharingan. From within surged a wild, aggressive consciousness—relentlessly assaulting his mind.

The moment Shiyu Uchiha's consciousness made contact, he realized this must be the Ten-Tails' will, and he attempted to suppress the violent force with his Sharingan. Yet he quickly discovered that this will was far too powerful—its quality surpassed the limits of his Sharingan entirely, making it completely uncontrollable.

Under internal and external pressure, the Sharingan formed from his spiritual energy began to crack under the relentless assault of that consciousness. As the cracks spread and widened, Shiyu Uchiha noticed a flaw in the Ten-Tails' will—if he had to put it into words, its quality was high—but the quantity fell far short. Realizing the imbalance, he decided not to bother repairing the damage.

Without hesitation, he drove the spiritually-formed Sharingan straight into both the Ten-Tails' will and the cluster of Bloodline Power. The result was the total shattering of both the Ten-Tails' will and the Sharingan itself, while the mass of Bloodline Power scattered violently in all directions from the impact. With its foundation destroyed, the Ten-Tails' will became entangled with the scattered energy.

At the same time, Shiyu Uchiha's memories began descending into chaos.

Countless fragments of memory flooded his Spiritual Sea, like a raging storm of recollections crashing within. These fragments contained all memories from both his previous life and his current existence—even his childhood experiences as Shiyu Uchiha himself.

They intertwined into a vivid yet chaotic mosaic. As time passed, the image began to fade; if nothing unexpected happened, once everything turned black and white, Shiyu Uchiha might lapse into a vegetative state.

However, unlike the other memories, the final image from his past life—the Crystal—shone like a ray of dawn in darkness. Amidst the crisis, the Crystal activated on its own, slowly awakening memories of cultivation techniques buried in his past. Like a thread connecting scattered pearls, it revived part of his original self-awareness.

Then, the meditation technique deeply ingrained into his being resumed its flow naturally along with his consciousness. Since its foundation lay in the last moment of his previous life, the version that reawakened was the very same one that had pulled him into this world originally.

In this critical moment, with the help of this meditation method, all of Shiyu Uchiha's fragmented memories began recombining and reactivating themselves, gradually regaining their vibrancy. Finally, Shiyu Uchiha faced a profound self-questioning—"Who am I?"—as he explored the depths of his inner world.

Eventually, he finally confirmed his true identity—"he was both Lin Yan and Shiyu Uchiha," and the fragmented memories and emotions from Shiyu Uchiha's first four years of life were also completely integrated into him.

When he fully recovered, his spiritual energy once again transformed into a crystalline form. It began to absorb the power of the Uchiha bloodline and instinctively transformed—as though carving itself—into a delicate, vivid triple-comma Sharingan. Its patterns were intricate and refined, as if naturally formed, radiating an eerie Dōkuriki.

The key to this transformation was that Shiyu Uchiha had finally unlocked the full potential of Soul Fusion. It was no longer just a forced merging that failed to utilize the advantages of fused souls, and even prevented spiritual energy from leaving the body and using Genjutsu.

Now that this potential had been unlocked, along with years of cultivation, his spiritual energy instantly underwent a fundamental transformation. This change made his spiritual essence even stronger. Especially after evolving into a triple-comma Sharingan, his spiritual energy could now resist—and even erode—the consciousness of the Ten-Tails.

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