Chapter 11 — Black Flash!!
Seeing that Gojo Satoru had no intention of intervening, Zenin Kyūjō didn't think much of it.
He simply clenched his fists—each wrapped in a thin layer of Cursed Energy—and charged straight toward the Special Grade Cursed Spirit before him.
Even if his blows couldn't inflict massive damage—so what?
As long as they could break through its defenses, that was enough!
When it came to stamina, even if it took ten thousand, no—a hundred thousand punches—he could throw them all without flinching!
— — —
Boom! Boom! Boom! Boom! Boom!
A relentless barrage of heavy punches rained down on the cursed spirit with no pause.
Even if the destructive power of each hit was low, Kyūjō's raw physical strength made every strike thunderous—shaking the monster with each blow.
Rika Orimoto—the Special Grade Cursed Spirit—looked more like a volleyball at this point, getting smacked around mercilessly by Kyūjō's fists.
Every so often, she tried to counterattack.
But with Kyūjō's overwhelming speed and predictive reflexes—able to read movements before they even happened—she didn't stand a chance of landing a single blow.
— — —
From above, Gojo Satoru quietly observed this one-sided beatdown.
And in the flurry of brutal strikes, his thoughts drifted back… to someone he hadn't thought of in a long time.
Yes—someone no longer in this world.
Fushiguro Toji. The man once known as the Sorcerer Killer.
A man with no Cursed Energy, yet equipped with monstrous instincts, honed close-quarters combat skills, and raw physical power that shattered human limits.
But no...
This boy might be even crazier than Toji.
Toji never flew through the sky using pure physical power alone.
At best, Toji could chain leaps using momentum—but Kyūjō? He was soaring freely, as if gravity had no say over him.
Gojo had never imagined anyone could reach such a level with just a human body. He used to think Toji represented the very limit of human potential…
But clearly—he had been wrong.
This boy had completely broken that limit.
If Kyūjō wielded a Special Grade Cursed Tool—or even just a Grade 1—Rika Orimoto probably wouldn't survive more than a few rounds.
Still, he wasn't exactly the same as Toji either.
Kyūjō had Cursed Energy in his body.
Which meant he didn't have the benefit of a Heavenly Restriction body—no automatic resistance against Domain Expansions. Against a domain user, this kid would struggle.
That was Gojo's internal conclusion.
— — —
With a hint of boredom on his face, Gojo watched Kyūjō pummel the spirit for over ten minutes straight.
Then, for the first time, he opened his mouth.
"Hey, kid. Have you ever tried syncing your physical attacks with your Cursed Energy perfectly?"
"I mean perfectly. The time gap between your fist landing and the cursed energy strike needs to be less than one-millionth of a second. If you can pull that off..."
"…you'll trigger something insane. We call it: Black Flash."
But before Gojo could even finish his explanation—
He was stunned by the boy's reaction.
Zenin Kyūjō's eyes lit up. He grinned wide, excitement flooding his face.
"So you are Gojo Satoru—the strongest Jujutsu Sorcerer in the world!"
"Thanks for the tip. But you'd better hurry… or this cursed spirit might die by my hand before you even get the chance to save her."
With those words, Kyūjō clenched his fist—and threw a devastating punch at Rika.
Of course, he already knew through his Infinity Perception System that Gojo would try to stop him.
But he threw it anyway.
Because he wanted to see it for himself—
Just how powerful was Gojo Satoru, the man at the pinnacle of Jujutsu?
— — —
And then—
At that exact moment—when physical force and cursed energy reached perfect synchronization—
The very fabric of space shuddered in response.
Within one-millionth of a second, the space surrounding Kyūjō began to warp and distort. Jagged cracks of darkness rippled outward, following the path of his fist.
And then—it struck Rika Orimoto directly.
For the first time in her entire existence…
The Special Grade Cursed Spirit known as Rika felt fear—true fear.
In her mind, that fist wasn't just a punch.
It was death itself—a massive force cloaked in darkness, carrying the word "DIE" written in pitch black across it.
— — —
[Cursed Technique Explanation: Black Flash]
Black Flash is a phenomenon that occurs when a physical strike and Cursed Energy connect with perfect timing—less than one-millionth of a second apart.
The result is a spatial distortion that multiplies the impact exponentially.
To Jujutsu Sorcerers, achieving Black Flash is nearly impossible on command.
Which is why it's known as:
"Something no sorcerer can use at will."
Every sorcerer who has triggered Black Flash did so unintentionally—during extreme emotional resonance.
However, for Zenin Kyūjō—who possessed the Infinity system—controlling energy was like breathing. Compared to any other sorcerer, even Gojo Satoru himself, Kyūjō was a god of power control.
The destructive power of Black Flash is calculated as:
(Cursed Energy × Physical Power)²·⁵
With Kyūjō's current physique—even if his cursed energy wasn't optimal—no living being could withstand his Black Flash head-on.
Not even Gojo Satoru would survive it unless he used an advanced defensive technique.
He would either need to absorb it with a Domain—or vanish from existence.
— — —
Gojo's eyes widened in disbelief.
Without hesitation, he used his Infinity and instantly warped to Rika's side—intercepting the blow.
"Domain Expansion — Unlimited Void!!"
Yes—Gojo Satoru unleashed his Domain.
Because Black Flash wasn't just a heavy punch—it was a space-breaking force. And the Infinity alone wasn't enough to stop it.
If any regular sorcerer had triggered Black Flash, Gojo could've taken it head-on using cursed energy alone.
But this boy… was different.
They had only just met—
And yet, he could already release a Black Flash this terrifying.
Gojo dared not underestimate him.
He knew—if Kyūjō truly wanted to, that single punch could level the world.
To survive, Gojo had no choice but to unleash his full power.
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