"So it is..."
After listening to Orochimaru's report, Mirai Uchiha stroked his chin in thought.
[The power of the Mangekyou Sharingan is immense, but it places a heavy toll on the body.]
An ordinary person's physique simply couldn't sustain the consumption required by the Mangekyou Sharingan.
[In the original story, even Kakashi Hatake—who merely needed to maintain the triple-comma Sharingan state—ended up looking exhausted and drained. Ordinary ninja would struggle far worse.]
Even among Uchiha clan members who hadn't personally opened their Mangekyou Sharingan, it was still very hard for them to bear the cost of using the Mangekyou.
However, Mirai Uchiha did have a solution in mind.
After a brief pause, he spoke, "Orochimaru, there is someone I know—his name is Shin."
"Shin has a very special constitution. His body cells do not trigger any immune rejection responses."
Upon hearing this, Orochimaru couldn't help but show a trace of surprise on his face: "Mirai-kun, could there really be such an unusual human being in the ninja world?"
As a scientist, Orochimaru fully understood the issue of rejection reactions.
This problem had caused him countless headaches.
If someone truly could completely avoid rejection reactions, he would indeed be an incredibly precious experimental asset.
Noticing Orochimaru's thoughts, Mirai Uchiha couldn't help but speak up: "Orochimaru, you're becoming increasingly indifferent toward human feelings these days. You'll lose many pleasures in life like that."
Orochimaru replied nonchalantly, "That's even better."
"Discarding human emotions will only grant me more accurate judgment."
"I personally witnessed my apprentices, companions, and subordinates dying one after another right in front of my eyes back then, which made me realize how fragile life is."
["Since that day, I've made my decision—I will no longer be human!"]
After briefly sharing his inner thoughts, Orochimaru continued, "Mirai, let's get back to discussing Shin now."
Mirai Uchiha spoke indifferently, "I'll send people to find Shin. Once I have news, I'll bring him to meet you myself."
Orochimaru gave a slight bow. "I look forward to that day."
A faint smile appeared on Mirai Uchiha's face as well.
Shin's cells were highly unique—they did not trigger immune rejection, which made cell proliferation remarkably efficient.
Even under extremely basic conditions in the Boruto storyline, Shin was able to create countless clones. After acquiring Shin's cells, they were certain they could cultivate even more clones.
If killing these clones could also generate attribute points, that would be ideal.
If not, they could always serve as containers for chakra production.
After all, once Hashirama's cells and the Mangekyou Sharingan were implanted into Shin's clones, they would certainly never run out of chakra.
"Orochimaru, I'll be taking my leave first, Mirai-kun."
"Mirai Uchiha, please wait a moment." Orochimaru glanced at Kabuto Yakushi, who nodded and quickly walked away.
Mirai Uchiha raised an eyebrow. "Orochimaru, what do you want?"
Orochimaru smiled mysteriously. "Nothing much. I've just prepared a little gift for you, Mirai Uchiha."
A short while later.
Quick footsteps echoed. A young girl with a ponytail and delicate features hurried over.
"Lord Mirai Uchiha, Lord Orochimaru..."
"I am your subordinate, Guren. It is an honor to meet you both."
Guren bowed her head respectfully.
As a ninja, she deeply admired Mirai Uchiha.
When Kabuto had told her that Orochimaru planned to give her to Mirai Uchiha, Guren had been extremely excited.
Could anything in her life be more valuable than becoming Mirai Uchiha's subordinate?
Still, seeing Mirai Uchiha in person made Guren feel uneasy again.
Would someone as powerful as Mirai Uchiha even notice someone like her?
While Guren was lost in thought, Mirai Uchiha was carefully observing her too.
The girl before him looked about fifteen years old, similar to Yugao Uzuki and Anko Mitarashi.
Yet she was already exceptionally beautiful and well-built.
"Mirai Uchiha, Guren here possesses the Crystal Release Kekkei Genkai and shows great potential as a ninja."
"Why don't you let her follow you from now on?"
Understanding Orochimaru's meaning perfectly, Mirai Uchiha nodded slightly.
No wonder she's my most loyal subordinate—she always seems to know exactly what I like.
Thinking this, Mirai Uchiha addressed Guren directly. "So your name is Guren?"
"Come with me. Show me what you're capable of."
With those words, he stepped straight into the spatial portal created by Otsutsuki Teleportation and vanished completely.
Seeing this, Orochimaru narrowed his eyes.
Truly impressive, Mirai Uchiha! So he can actually open space-time portals now?
And keep it stable for so long...
Absolutely terrifying.
Guren glanced at Orochimaru briefly, then hesitantly stepped into the Otsutsuki Teleportation portal.
——
Still reeling from the sensation, Guren realized she had already arrived at a training ground.
Just one step had brought her here from the lab complex...
Experiencing Space–Time Ninjutsu for the first time, Guren couldn't help but feel amazed.
At that moment, Mirai Uchiha's voice rang out.
"Guren, attack me. Show me what you're capable of."
Upon hearing this, Guren obediently nodded. "Yes, Lord Mirai!"
Having received Mirai Uchiha's command, Guren immediately launched an attack against him.
[Crystal Release: Shuriken]
Several shuriken made of crystallized material swiftly shot toward Mirai Uchiha.
Mirai Uchiha clapped his hands together. [Ice Release: Shuriken]
Since this was a test of Guren's strength, he naturally wouldn't use any particularly powerful abilities. He simply used Ice Release to knock all of Guren's shuriken out of the air.
Seeing that her first attack had no effect, Guren didn't hesitate in the slightest and launched another attack. [Crystal Release: Shattering Dragon Impact]
A massive crystalline dragon appeared out of nowhere, roaring as it charged toward Mirai Uchiha.
Mirai Uchiha once again clapped his hands. [Ice Release: Ice Dragon]
The ice-created dragon crashed violently into Guren's crystalline dragon.
Countless fragments scattered through the air, creating a very beautiful scene.
Guren couldn't help but exclaim in admiration. "No wonder you're so amazing, Lord Mirai. You actually managed to counter my technique so easily."
The crystalline constructs were incredibly hard—perhaps even surpassing the durability of steel kunai forged from the finest ore.
Yet surprisingly, Lord Mirai had effortlessly countered her powerful technique using only Ice Release...
Mirai Uchiha looked at Guren slowly and spoke. "Guren, unleash your strongest power and attack me."
"Let me see where your limits lie."
Guren gave a firm nod, her expression growing serious.
She summoned all her power, channeling her Crystal Release Kekkei Genkai to its extreme limits.
[Crystal Release: Eight Trigrams Crystal Enclosure]
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