The battle that took place on a remote hillside in the Land of Rain lasted a full hour.
When the Akatsuki organization managed to free most of its members from Rain Ninja's entanglement and saw hope for escape, Yahiko made a decisive call.
"Nagato, Konan, Yun, Heishui, withdraw!"
Without waiting for all members to fully retreat, but after securing an opportunity for their escape, Yahiko ordered the high-level combatants to retreat first.
These high-level members were also part of the organization and had done their utmost to delay the enemy.
The elite members of Akatsuki began their retreat.
Even though the members had not completely escaped pursuit, they had a solid chance now, and Yahiko deemed it enough.
If this continued, the Akatsuki organization risked losing one of its Jōnin-level fighters.
At this moment, Yun, injured and struggling, didn't dare to delay.
With Yahiko supporting him, they dashed in another direction along with the other Jōnin.
Yahiko's physical endurance was exceptional, one of his notable ninja talents.
Even while dragging Yun along, he ran just as swiftly as the others.
Yun's expression, however, was dark.
Even though he was only a clone, his main body was at a Kage-level.
"One day, I'll get rid of you."
Yun silently swore in his heart.
At that time, he would just stare them to death.
Just imagine the fear.
Of course, Yun knew that was unrealistic. Even at his main body's level, modifying his eyes to achieve such a strong dōjutsu was nearly impossible.
Unless he used a Mangekyō Sharingan as the foundation, truly achieving a lethal stare was unrealistic.
"Sigh!"
While focusing on his eyes, Yun analyzed the situation.
Developing powerful dōjutsu was extremely difficult, even for his main body.
Adding special structures to his eyes to enhance their capabilities was already the pinnacle of what he could achieve.
What exactly was dōjutsu?
To Yun, dōjutsu referred to the unique abilities that came with the Mangekyō Sharingan.
Upon awakening, two dōjutsu were granted based on the user's deepest obsessions and expertise—essentially a spiritual imprint of the eye holder's will.
These two dōjutsu were among the most formidable abilities.
Itachi's Amaterasu, one of the strongest fire-based attacks, and Tsukuyomi, one of the strongest genjutsu, were both incredibly overpowered. Though Amaterasu seemed ineffective at times in the original series, those were exceptions. Similar to Fire Release, its actual destructive power far exceeded its portrayal. A flame that never extinguishes—just that alone demonstrated Amaterasu's power.
Then there was Shisui's Kotoamatsukami, a technique that could alter a person's will without their knowledge—practically a game-breaking ability. Obito's Kamui was also a formidable technique, allowing intangibility and teleportation.
Not only were these abilities overwhelmingly powerful, but they also required minimal preparation.
As long as the user had sufficient chakra and physical endurance, activation was nearly instantaneous.
It was simply absurd.
To Yun, these dōjutsu were not randomly generated by the Sharingan but were selected from a "pupil technique library" at the moment of its evolution into a Mangekyō Sharingan, tailored to the user's traits.
This "library," as Yun speculated, followed a set of universal rules—possibly a fundamental aspect of the world itself.
Perhaps it would be more appropriate to describe these abilities as supernatural powers rather than techniques.
Each of these powers followed distinct rules, embedded into the fabric of the world.
The Mangekyō Sharingan served as a conduit to tap into these rules and generate unique abilities—essentially supernatural dōjutsu.
"The reason why the abilities align with the wielder's heart and expertise is that the connection is easier and more natural."
"Obito and Shisui both had abilities in both eyes, which suggests their eyes connected to the same rule but functioned differently. However, such abilities seemed to surpass regular dōjutsu."
As Yahiko dragged Yun along, these thoughts rapidly flashed through Yun's mind.
"Dōjutsu… supernatural powers…"
Rules… truly fascinating!
This was the conclusion that Uchiha Kiyo and his clones had arrived at time and time again in their research.
What role did the Sharingan play in this system?
Connection.
The moment a Sharingan evolved into a Mangekyō Sharingan, it would intimately resonate with the world's fundamental rules and select one or two that best suited its user, forming unique ninjutsu.
Why only the rules of the ninja world?
That was also Yun's hypothesis.
Abilities like Amaterasu and Tsukuyomi came from myths and legends—stories passed down in the ninja world.
Even Otsutsuki Isshiki and Momoshiki, despite possessing the Rinnegan and powerful dōjutsu, did not necessarily align with the legends of the ninja world.
Thus, the rules that the Sharingan connected to likely belonged to the ninja world itself, not the Otsutsuki clan's system.
Was the Sharingan's origin truly Otsutsuki?
Not necessarily. The Sharingan only appeared in Otsutsuki who had consumed the Chakra Fruit, and Kaguya originally only had the Byakugan.
Moreover, the Sharingan lineage was linked to the God Tree's Chakra Fruit.
Since the God Tree absorbed vast amounts of the ninja world's natural energy, this suggested that the Sharingan's connection to the world was deeply rooted in its nature.
Perhaps the divine tree's unique properties, after absorbing immense natural energy, led to the creation of a bloodline that was closely intertwined with the ninja world's fundamental rules.
This would explain why the Sharingan could tap into the ninja world's legendary abilities.
"Sigh~~~"
"Yahiko, look at me, I…"
Yun's train of thought was suddenly interrupted as a kunai flew towards his back.
Though he lacked pain perception as a clone, his body still reacted.
Moreover, a fatal wound to the body meant the clone would be lost.
To prevent sudden injuries from going unnoticed due to his lack of pain sensitivity, Uchiha Kiyo had added additional sealing techniques to himself. If his body was harmed, the sealing matrix would immediately relay the information to him.
"Ah, haha, Yun, my bad."
Yahiko apologized sheepishly.
Konan, on the other hand, admonished him.
"Yun, you were the one distracted. Yahiko is already struggling to carry you, and yet you still have the energy to think about other things."
Realizing his mistake, Yun focused on the present.
Despite being lost in thought earlier, he had not been idle. Throughout their escape, he had been healing himself. By now, he could move properly again.
"Speaking of which, you actually know medical ninjutsu? And at such a high level too."
As the team's only girl, Konan had been responsible for healing. Seeing Yun's skill surprised her.
"Ha, I practiced it on the side. Turns out I have a knack for it, so I bought some B-rank medical ninjutsu from the black market."
Yun conveniently attributed his skills to the black market, avoiding any further questions about his past resources.
After escaping their pursuers, Yahiko and the others turned to Yun for guidance. He was not the strongest or the best tactician, but when it came to strategic planning, he excelled.
"We need to lay low for now. Akatsuki must go underground for the next one or two years while we focus on training."
Yahiko hesitated but ultimately agreed. They would build their strength first before resuming their mission.
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