Within the Uchiha Clan, the speed at which the Tomoe Sharingan awakened and evolved had always been regarded as the standard for judging a ninja's aptitude.
Shisui entered the battlefield against the Hidden Mist Village before he was ten. He rapidly awakened the Sharingan and evolved it to Three-Tomoe, earning praise as a genius whose strength rivaled that of "Fierce Eye" Fugaku.
The same year Itachi awakened the Sharingan at the age of eight, it quickly evolved to Two-Tomoe. After awakening the Mangekyo and joining Akatsuki, an organization filled with Kage-level powerhouses, his strength also remained firmly among the top tier.
Uchiha Izumi awakened the Sharingan at six. By the Night of the Uchiha Clan Massacre seven years later, she had grown to Three-Tomoe, yet she was merely a Chunin skilled in taijutsu.
Not long after transmigrating here, Uchiha Yuan had also tried to awaken his Sharingan.
After all, there were many ways to create emotional turmoil: genjutsu, putting himself in danger, even learning about the care his parents had shown him before their sacrifice.
Yet without exception, every method failed.
Uchiha Yuan quickly concluded that awakening the Sharingan seemed to require extraordinarily stringent emotional fluctuations.
For someone who possessed the memories of a transmigrator, this was an unavoidable disadvantage.
His life in his previous world could not be called especially rich, but it had been colorful enough, and he still missed it even now.
But in this ninja world, where strength reigned supreme and emotional understanding and reflection were scarce, Uchiha Yuan could never find where he belonged.
Achieving the severe emotional upheaval needed to awaken the Sharingan was even more difficult.
Fortunately, this was not entirely a disadvantage.
Since he could not awaken the Sharingan for the time being, Uchiha Yuan, as a political investment, did not need to worry about his teacher Orochimaru coveting him. He could safely study the fundamentals of scientific research.
That was how, by a fortunate coincidence, he learned that he possessed an ability with limitless potential.
Genetic devouring and fusion.
It was precisely this ability that made Uchiha Yuan resolve to abandon the safe yet dull life of the laboratory.
Still, after fusing with the Demonic Statue genes, many mysteries continued to puzzle him.
After exchanging blood with his substitute teacher, what he had awakened was undoubtedly the Kurama Clan's pure Genjutsu Bloodline.
Compared to the Kurama Clan's basic genjutsu, Phantom Lotus Kill, which he had studied before, Uchiha Yuan no longer needed Hand Seals. A mere gesture, a sentence, or even a still painting could manipulate his opponent's Five Senses and drag them into an Illusion Space.
Aside from the fact that injuries suffered there would be reflected on the real body, Uchiha Yuan could even fully recreate complex events such as interrogations, torture, and battles.
And whatever he did there, he did not need to worry about ANBU monitoring the Uchiha Clan discovering it.
As for the barren space currently covered in sand and rocks, that was purely because Uchiha Yuan had not yet mastered entering the Illusion Space for the first time.
As he used all kinds of real-world parameters to reshape this space, a training ground quickly appeared before him with a wave of his hand.
"With this, I can use Multiple Shadow Clone to constantly hone my combat skills in the Illusion Space."
"But there are some things I need to figure out first!"
Ever since the Demonic Statue Fragment had absorbed the Chakra of Isobu and Six-Tails Saiken, Uchiha Yuan had clearly sensed that the affinities between water and wind, as well as water and earth, had become more harmonious within him.
He suspected that he had awakened the two tailed beasts' innate Kekkei Genkai: Ice Release and Lava Release.
But after conducting a round of experiments, Uchiha Yuan discovered that was not the case at all.
Ice Release, which could rapidly condense nearby moisture and even Water Release Ninjutsu, possessed the fundamental attribute of "freezing." Uchiha Yuan had not learned the secret techniques developed from that fundamental attribute.
But the "Ice Release" he used did not even possess a complete freezing attribute. At most, it could barely produce some ice-water slurry.
The same was true of the Lava Release Kekkei Genkai. It could not display the property of "corrosion" at all.
One had to know that the Lava Release used by the future Fifth Mizukage, Mei Terumi, was enough to corrode Susanoo in its skeletal form.
These abnormalities stirred Uchiha Yuan's intense desire to investigate.
Through exchanging blood, he fused genes and awakened the Kurama Clan's bloodline.
The Chakra traded from the Three-Tails and Six-Tails should not have had any issues, yet the "Ice Release" and "Boil Release" produced in his experiments were worlds apart from their actual effects.
"Come to think of it, the tailed beasts' innate bloodlines most likely came from the Sage of the Six Paths. No, more accurately, from the God Tree. I have indeed fused with the Demonic Statue genes. In theory, as long as I master the corresponding Chakra nature transformations and fusion techniques, I should be able to use every Kekkei Genkai. But isn't the difference between Ice Release, Lava Release, and the Genjutsu Bloodline far too drastic?"
Resting his chin on his hand, Uchiha Yuan considered every possibility.
At present, the "Lifeform Replication" proposed by Orochimaru—cloning technology—was still only in its infancy. His teacher had yet to conduct in-depth research into genes.
Therefore, Uchiha Yuan's own knowledge was equally lacking.
However, he did have a few guesses.
Perhaps the genes for every Kekkei Genkai, Kekkei Tōta, and even Kekkei Mōra were currently dormant within his cells. A second fusion that activated a bloodline's genes would awaken the corresponding bloodline within him.
Chakra possessing a corresponding bloodline could only achieve a false activation, which was why his "Ice Release" and "Lava Release" were so much weaker in practice than the Kurama Clan's Genjutsu Bloodline.
Uchiha Yuan believed this speculation was reasonable.
After all, he had fused with the Demonic Statue of the Outer Path's genes—the shell of the God Tree after the nine tailed beasts had been extracted.
The abilities displayed by the Demonic Statue of the Outer Path mostly involved the absorption and release of Chakra. Most did not involve bloodline-related Chakra applications.
Now that he had fused with the Demonic Statue genes, he needed bloodline genes to activate the relevant bloodline abilities.
Thinking about it that way, it was fairly reasonable.
But what exactly was going on with Wood Release?
The White Zetsu created using the Demonic Statue of the Outer Path could themselves use simple Wood Release.
Furthermore, God: Nativity of a World of Trees, used by Kaguya and Uchiha Madara, was a Kekkei Mōra, while Nativity of a World of Trees, used by Hashirama Senju, was a Kekkei Genkai.
Even the formula for Wood Release, formed by fusing water- and earth-nature Chakra transformations, was identical to the formula that produced the Lava Release bloodline.
Yet the actual effects of these two bloodlines had nothing in common.
Uchiha Yuan understood that he could never uncover the secret behind this through speculation alone.
He planned to begin related research.
Conveniently, by taking advantage of his substitute teacher's research into cloning technology, he could learn the relevant genetic knowledge.
As for researching his own ability to devour and fuse genes, as well as other bloodlines—
Uchiha Yuan needed an experimental environment that was more concealed and secure than Laboratory Number Four.
When he woke up, his head throbbed faintly.
Last night, Uchiha Yuan's consciousness had fought his Shadow Clones in the Illusion Space until four in the morning.
The gains in combat experience had been quite gratifying.
Not only could Uchiha Yuan's main body train its lightning-fast reactions and meticulous calculations under combat conditions, the Shadow Clones' experiences were also fed back to the main body.
While his combat experience had surged, his body and mind had also become somewhat fatigued.
Knock, knock, knock.
Someone knocked on the door.
"Yuan-nii... Brother, are you awake? Grandma asked me to call you down for breakfast."
After receiving an affirmative answer, Uchiha Izumi pushed open the door, entered, and shut it behind her.
Uchiha Yuan, who was about to get dressed, could only awkwardly scratch his chin. He could tell that Izumi was not being rude; she had something she wanted to say to him.
"Yuan-nii, I heard from Itachi that you're very good with shuriken!"
"Can I learn from you too?"
Uchiha Yuan looked up at Uchiha Izumi.
In the little girl's eyes was a scarlet one-tomoe Sharingan.
She had awakened it after losing family members in the Nine-Tails Attack and suffering an extreme emotional shock.
"Mm. What's your reason?"
"I... I don't want to be so weak. I don't want the people protecting me to lose their lives again!"
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