For a serious person, doing everything with focus and concentration is the most basic requirement.
So even something as significant as awakening the Mangekyō Sharingan went unnoticed by the one who awakened it.
The two of them slept in each other's arms. When they woke up at noon, Yami brought up the Mangekyō Sharingan.
Still hugging the blanket, Izumi looked confused.
"Mangekyō? I awakened Mangekyō?"
Yami was completely convinced now. This girl was so focused that she didn't even realize she had awakened Mangekyō.
That was probably a first in the history of the Uchiha clan.
After another round of rolling around, Izumi finally noticed the massive changes in her pupil power and discovered the ability residing in her eyes. Her Mangekyō pattern had transformed into a spiral, stunning and captivating.
"It's real!"
The girl was thrilled. She hadn't expected to awaken the Mangekyō Sharingan without even realizing it.
"Come on, I'll take you somewhere to test the effect and power of your two eye techniques."
After they finished changing clothes, Yami opened Takamagahara and brought Izumi in, causing her to stare in shock.
"Yami, you…"
"I can't really explain this, but anyway, these aren't someone else's eyes."
As he spoke, Yami opened and closed his eyes repeatedly to prove that they were indeed his.
Izumi wasn't too concerned about what was going on with his eyes, just a little surprised that he had this kind of ability.
With the Uchiha clan's obsessive nature when it came to emotions, she already belonged to Yami in both body and mind.
Not to mention that the eyes were his own, if Yami asked her to gouge out her own eyes and give them to him, she wouldn't hesitate.
After enjoying the relatively dull scenery of Takamagahara, Izumi was amazed after learning about the effects of the Temple of the Gods.
"You can actually copy other people's eye techniques? Yami, your eyes are really amazing."
After looking at the names of the eye techniques on the various palaces, the girl became even more excited. "Great! Yami, you should quickly copy my eye techniques. These two aren't on the list here."
"Oh?"
Yami became interested. "What are your two eye techniques?"
Izumi smiled mysteriously and didn't answer, choosing instead to demonstrate.
The Mangekyō in her right eye spun, and the temperature around them dropped rapidly. Giant ice spikes appeared in the air, each over three meters wide and nearly ten meters long.
As Uchiha Izumi willed it, five ice spikes struck a small hill. The summit of the hill became uneven, coated in white frost from the extreme cold.
Yami kept his Sharingan active to observe, and a palace on the Mountain rumbled up, standing at the same height as Amaterasu's palace.
He understood the essence of this technique.
Yukihime no Mikoto, a rare frost-type eye technique.
It could generate Ice Release attacks at any location within a certain range centered on the user. Its power was fairly standard, but like Amaterasu, it was hard to defend against. It could be used as a support technique to disrupt the enemy.
"What about the other eye technique?" Yami asked with curiosity.
Izumi summoned another massive ice spike, and her left Mangekyō began to rotate. The ice spike shrank rapidly, becoming almost invisible to the naked eye.
Then, in an instant, it returned to its original size.
"Sukunahikona?!"
Yami nearly shouted.
"Eh? Yami, you know this eye technique?" Izumi, who had just been about to explain, was stunned and pouted unhappily.
She had wanted to show off, but he already knew about it.
Yami smiled and gave her a quick kiss on the lips to comfort her, then held her in his arms. "You really gave me a huge surprise. With this technique, I'll never have to worry about your safety again."
If Yukihime no Mikoto was a standard Mangekyō-level technique on par with Amaterasu, then Sukunahikona was a pinnacle-level technique.
Sukunahikona could shrink any non-living object and instantly restore it to its original size. For living things, it could only alter their size temporarily.
The most broken aspect was that it could even shrink ninjutsu made from chakra not just compressing its mass, but weakening its power to near nothing.
However, when shrinking herself, her mass remained unchanged. A body as small as an ant could unleash the power of an elephant. Enemies wouldn't even detect her, much less counterattack.
This technique could also be paired with Yukihime no Mikoto, sending a minuscule ice spike into a hidden area and restoring it to full size.
Just thinking about that...
Yami couldn't help but shiver.
With these two techniques, Izumi could become a top-tier Kage-level shinobi as long as she used them properly.
No wonder Senju Tobirama feared the Uchiha clan. You never knew when an ordinary member would suddenly awaken terrifying abilities and become a villain-level threat.
Yami asked Izumi to demonstrate Sukunahikona once more, and he was so surprised he forgot to comment.
Soon, the palace representing Sukunahikona emerged from the ground, slightly lower than the Eight Thousand Spears Palace.
It seemed that, in the judgment of Takamagahara, this ability was even more unbalanced.
Yami reminded her seriously, "Don't use these two abilities casually. Mangekyō consumes a lot of pupil power, and it's not easy to recover. Wait until I find a solution before you start practicing with them."
Izumi nodded obediently. Yami sent her back to her room to continue resting, while he returned to the space to receive the "coming-of-age gift" from the system.
[Host has reached the age of sixteen. The third stage of "Mother's Love" has been activated. Current chakra amount doubled.]
Boom!
A terrifying aura erupted from Yami's body. Blue chakra surged into the sky, dyeing the already-blue sky an even deeper hue.
With Yami as the center, the ground shook violently. Cracks spread in all directions, only to be instantly repaired by the self-restoration ability of Takamagahara.
How terrifying was Yami's chakra?
He had the Senju bloodline at the Limit Break level, the Uzumaki bloodline at the Ultimate level, and the Ōtsutsuki bloodline of a standard Ōtsutsuki.
Though his chakra amount had already been immense in recent years, it was still within reason due to his young age.
Human bodies go through two rapid development phases. The first is from birth to around one year old, where most nutrition goes into body growth.
The second is during puberty, typically beginning at age twelve.
After age twelve, various hormones accelerate growth in bones, cellular activity, and brain development.
The same applies to shinobi. After twelve, strength rapidly increases until the end of puberty. Then, combat experience and awareness become more important.
Yami had been thirteen since the night of the Uchiha massacre. His chakra had grown wildly like a runaway horse, skyrocketing over the past two years.
Because the growth rate was too fast, and the chakra too unstable, he couldn't train in Sage Mode. He needed to wait until it calmed and stabilized.
And now it had doubled on top of that...
At this point, another monster comparable to the Sage of Six Paths had been born in the shinobi world.
Yami's cells began undergoing intense changes. Activity surged. Behind him, a massive tree burst from the ground, expanding outward to form a several-kilometer-wide forest.
This was due to chakra leaking uncontrollably from his body after the surge.
His skin turned a pale, cold jade-like white—a trait of the Ōtsutsuki clan. With his powerful chakra, even his physical traits were awakening.
His Senju and Uzumaki bloodlines were now nearly fully developed.
After half an hour, the overwhelming pressure finally subsided. Yami sat cross-legged for two more hours, working to stabilize his body.
Altogether, it took him two and a half hours to suppress the chakra fluctuations.
He had no idea how long it would take to regain precise chakra control.
"Damn…"
Exhaling a long breath, Yami opened his eyes.
He stared blankly at the dense forest in front of him for a moment, then quickly understood what had happened.
Raising his hand without performing any jutsu, he casually released chakra. The resulting force was like a typhoon, uprooting trees everywhere.
"System, open the [Status Panel]."
A light screen visible only to him appeared.
[Name: Shimura Yami]
[Gender: Male]
[Age: 16]
[Date of Birth: April 1, Year 46 (Konoha Calendar)]
[Chakra Attributes: Fire, Wind, Earth, Water, Thunder, Yang, Yin]
[Total Chakra: 3.6 Hashiramas (1 Hashirama ≈ 11 Narutos, 1 Naruto ≈ 100 Kakashis, 1 Kakashi≈ 5 Standard Jōnin Chakra)]
[Chakra Control Talent: Limit Break]
[Mastered Ninjutsu: Numerous Kekkei Genkai techniques]
[Nature Transformation: Wind, Fire, Earth (Limit Break), Water, Thunder (Ultimate)]
[Special Talents: Ōtsutsuki Bloodline (Standard), Senju Bloodline (Limit Break), Uzumaki Bloodline (Ultimate), Uchiha Bloodline (Ultimate, Eternal Mangekyō), Byakugan, Sage Arts Affinity (Good), Scientific Research Talent (Excellent), Swordsmanship Genius, Darkness of the Ninja World, Mother-in-Law's Expectation, Space Talent]
---
After several unit changes, Yami's current chakra level now stood at the top of the shinobi world at age sixteen.
Beyond this point were likely only the Sage of Six Paths and Kaguya, the progenitor of chakra.
From the system's comparison, he also understood the chakra levels of Kakashi, Naruto, and Hashirama.
Yami now had enough chakra that even casual movements could unleash devastating power but that wasn't necessarily a good thing.
The more chakra one had, the harder it was to control.
That's why Sakura was the first to finish tree climbing. The other two simply had too much chakra.
For safety, certain "activities" needed to be put on hold.
Yami comforted several girls who were giving him longing looks, and showed them his current state.
Though reluctant, even Yugao and the others had to let him go so he could focus on training.
Days passed one after another.
After two and a half months, Yami finally restored his chakra control to an acceptable level, though it was still far from his previous precision.
But it was enough for Sage Mode training.
Now, the only gap between him and Hashirama was Sage Mode. If he could achieve instant activation like Hashirama, he would become the new—and stronger—God of the Shinobi World.
After giving himself a half-month break, Yami used the time to turn some girls into real women. Then, he activated the Reverse Summoning Technique and arrived at Ryūchi Cave.
After a shift in space, Yami appeared in a rocky cavern.
It was hot and humid.
The perfect environment for snakes.
A massive, dark-green python slithered out from a shadowy crevice. Its eyes, initially filled with killing intent, instantly turned clear after seeing Yami and bowed low to the ground.
"Master Yami, what brings you here?"
"Still guarding the entrance?" Yami lightly leapt onto its head. "According to the agreement, I've come to learn Sage Mode from that old man. You can take me."
"Yes."
The green snake didn't dare disobey and carried Yami deeper into Ryūchi Cave.
(To be continued.)
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