Chapter 15: Illusion Jutsu Doesn't Work Either
"Yes, Hokage-sama."
The Third Hokage stepped aside while Yamanaka Kakyū stepped forward and once again stood before Li Yao, forming hand seals to cast genjutsu.
"Genjutsu – Hypnosis."
In the world of Naruto, interrogation was never about electric shocks or crude torture to make someone crack.
Few shinobi believed anything a prisoner confessed under pain.
They were shinobi—they trusted ninjutsu.
So interrogation in Naruto was straightforward and brutal.
Step one, like what Li Yao was facing tonight: once captured, immediately attempt to extract information with memory-probing jutsu.
If that didn't work—
Step two: use genjutsu to lure the enemy into revealing what they knew.
Only if both memory-probing and genjutsu failed did they proceed to the third step.
And even that wasn't torture. It was dissection—extracting intel from the corpse.
It operated much like the first step.
As long as the brain was intact, even a dead person's residual memories could be read using jutsu.
Torture only came into play when the enemy absolutely had to be kept alive.
Thanks to the mutated consciousness he gained after transmigrating, Li Yao's memories couldn't be read. So they'd moved to step two.
Right now, he was enduring a genjutsu-based chakra invasion.
At its core, genjutsu was also chakra infiltration.
It was a unique, ethereal form of chakra that quietly slipped into a target's chakra network, and when it flowed into the brain, it affected the mind—creating the illusion.
And because of that, breaking genjutsu was also simple in theory:
Disrupt your own chakra flow.
Think of genjutsu chakra like a moon reflected on still water. If the water is calm, you can't tell what's real and what's fake. But once you ripple the surface, the illusion breaks easily.
Similarly, disturbing your own chakra flow was like disturbing the water—making it easier to recognize and break the illusion.
But that wasn't easy.
Especially while already caught in the genjutsu, with your senses hijacked—you might think you're disrupting your chakra, but you're not doing anything at all.
Only well-trained shinobi, through repetitive drills, could instinctively trigger a self-defense reaction that disrupted their own chakra flow.
Even then, powerful genjutsu were hard to escape.
In most cases, one needed a companion to interfere with their chakra and forcibly break the illusion.
Or have a tailed beast inside that was willing to help.
Li Yao had no companion. No tailed beast. And his chakra was sealed. He couldn't disrupt anything.
Under normal circumstances, he should have been completely helpless against genjutsu.
But ever since his soul fused with his chakra after transmigrating, even this ephemeral genjutsu chakra was crystal-clear to him.
At this moment, Yamanaka Kakyū's genjutsu chakra felt exactly like that invisible stick from his dream, prodding hard at his stomach.
Li Yao sensed it precisely.
Just like in his dream, he threw Kakyū's invading chakra out—instinctively rejecting it.
In short, no one was getting through his chakra.
"As expected, genjutsu doesn't work either…"
Kakyū sighed and let go of Li Yao. His face showed no surprise.
He had already expected that genjutsu would fail after the Mind-Body Technique had.
After all, both jutsu shared the same core principle: infiltration through the opponent's chakra.
"Hokage-sama." Kakyū turned to the Third and bowed. "Forgive me. Genjutsu is also ineffective."
"I understand." The Third stood with his hands behind his back, expression unreadable. "You may leave."
Kakyū bowed again and turned to leave, but at the doorway, he glanced back at Li Yao one last time.
His instincts told him—this child was hiding something big. Something massive.
Unfortunately, his techniques had failed.
Clearly, the Hokage didn't intend to share that secret with him.
And he knew better than to ask. He had the wisdom to know his place.
Once Kakyū was gone, the dimly lit interrogation room was silent again, with only the Third and Li Yao present.
Neither spoke. The only sound was the thunderous drumbeat of Li Yao's heartbeat echoing in the still air.
He was terrified—unsure what the Hokage planned to do next.
The Third didn't plan to kill him. Not yet.
He stepped forward once more, formed hand seals, and cast a genjutsu developed by the Second Hokage:
"Bringer-of-Darkness Technique."
The Third didn't fully trust Yamanaka Kakyū. Or perhaps he simply believed that his own genjutsu was more powerful.
He didn't think Li Yao could resist the chakra penetration of this technique.
After all, the Bringer-of-Darkness was a genjutsu created by Tobirama specifically to counter the Uchiha Clan's Sharingan.
The Sharingan, known as the bane of genjutsu, could reflect and disrupt most illusions.
Even more powerful genjutsu could be preempted by the Sharingan's ability to see the chakra causing the illusion.
Most jōnin in the ninja world couldn't effectively use genjutsu against someone with a Three Tomoe Sharingan.
And yet, the Bringer-of-Darkness Technique was so advanced that even that level of Sharingan couldn't break it.
It was a true anti-Sharingan genjutsu.
The Third didn't believe that a boy whose chakra had been completely sealed could possibly resist such a powerful illusion.
But reality struck again—Li Yao blocked the genjutsu chakra's infiltration.
And he did it effortlessly. It wasn't even harder than resisting Kakyū's earlier technique.
The Third fell silent. He stared at Li Yao for a long time.
Then, suddenly, a slight smile crept onto his lips.
"Even Bringer-of-Darkness is ineffective… Could he also be immune to the Sharingan's genjutsu?"
In the Third's mind, Li Yao's value rose significantly.
The Uchiha were his greatest political threat. And their most terrifying asset was the overwhelming genjutsu power of the Sharingan.
In the ninja world, there was a well-known saying:
"When fighting an Uchiha, never make eye contact with the Sharingan."
Just one look, and you could fall into an illusion.
On the battlefield, when facing a Sharingan-wielding Uchiha—
If it's one-on-one, run.
Because once you fall into a genjutsu, you're as good as dead.
Only in two-on-one scenarios—where one can get trapped while the other disrupts their chakra—is there any hope of surviving.
That was how feared the Uchiha's genjutsu truly was.
It was the reason why, during the Warring States Era, the Uchiha could go toe-to-toe with the Senju and remain one of the two most powerful clans.
Even without the Mangekyō Sharingan.
A basic Three Tomoe Sharingan could still cast illusions that many jōnin couldn't resist.
Yet now, the Third had witnessed a boy—completely sealed, powerless—resist a genjutsu that even elite shinobi couldn't.
Could he be immune even to Mangekyō-level illusions?
The Third's eyes sparkled with growing excitement.
If that were true… ha!
He smiled faintly, then turned and walked away.
(END CHAPTER)
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