one piece: gene extraction and fusion system-Chapter 184: The Awakening of the Mangekyō

"Relax. I won't kill you," Mio said with a slight smile as he patted Lucifer's head. "As long as you help me with something, I might just let you go."

"Y-You name it!" Lucifer cried out. His abilities were far from powerful—useful only against weak-minded individuals. So far, he hadn't awakened any impressive powers.

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But the people before him, although labeled as newcomers, didn't seem like novices at all. Each one carried overwhelming killing intent and presence. In terms of aura alone, none were inferior to him—some even surpassed him.

All thoughts of resisting vanished from Lucifer's mind.

He didn't want to die.

"Just listen carefully," Mio said, grabbing Lucifer's collar and pulling him closer. He then began to explain his plan in a low voice.

The plan was quite simple. In fact, everyone in the Black Crow Pirates knew about it—except for Hei Yan. It was a small experiment Mio had in mind, especially after personally experiencing the effects of the Sensory Fruit. The fruit allowed one to manipulate another's senses, and even Observation Haki had difficulty detecting the deception. The illusion felt incredibly real.

That's why Mio believed this plan had a high chance of succeeding.

And the goal of this plan—

Was Hei Yan's eyes. The Sharingan.

...

In the island town—

At that moment, Hei Yan was dragging two barely-conscious men, preparing to return to the ship to hand them over to Mio for judgment. But just then, his Den Den Mushi rang. It was a call from Erica, instructing him to hurry to the center of town. A battle had erupted there, and the Navy had arrived. Mio was under siege.

After hanging up, Hei Yan tossed the half-dead men aside and rushed toward the town center without hesitation.

Still, he couldn't shake the strange feeling in his heart.

If there really was a fight happening, he should've sensed something unusual. Why was the island so quiet?

Despite his doubts, Hei Yan pressed forward. But the moment he stepped into the heart of the town, he suddenly felt dizzy—but only briefly.

Then, before his eyes—

He saw it.

Mio was battling several people, and those people were none other than the three Admirals of the Navy Headquarters.

Erica and the others were engaged with Vice Admirals.

Shouts, roars, and the clashing of weapons echoed all around.

The battlefield before him looked incredibly real. He could even smell the thick scent of blood in the air.

Within his line of sight, Hei Yan saw Mio exchange blows with Kizaru. Then, from behind, Akainu launched a surprise attack—striking Mio's back and sending him flying, blood spewing from his mouth.

Hei Yan's eyes widened in horror and rage. The Sharingan instantly appeared in his pupils.

Without thinking, he rushed toward Mio, intending to grab him and escape.

But Kizaru was faster.

Before Mio even hit the ground, Kizaru appeared behind him and delivered a crushing kick that sent Mio hurtling into the dirt.

Then Kizaru brought his fingers together and pointed downward. "Yasakani no Magatama!"

Countless glowing orbs rained down onto the spot where Mio had landed.

Hei Yan's pupils trembled violently. The crimson hue of his Sharingan intensified. The three tomoe began to spin rapidly.

"No!!"

...

Back in town.

On a silent street, all civilians had been cleared away. Only Hei Yan stood there, staring blankly into the distance.

On a nearby rooftop, Mio sat calmly, observing Hei Yan from above. He could feel Hei Yan's aura growing increasingly unstable and intense.

"I hope this works," Mio said softly, eyes gleaming with anticipation.

"Captain, is it really okay to do this to Hei Yan? He trusts you deeply," Robin said with a sigh.

"Just like how you tricked me when you fought Hawkeye," Erica added, clearly remembering the past. She could still recall the scar Hawkeye had left on Mio's chest.

"Sir, please don't do something like this again. Especially not to me," Lilith chimed in with a pout. "Otherwise, Lilith will be very sad."

For people like them, the pain of such illusions was unbearable.

And at that moment—

Hei Yan's power surged to terrifying levels. Blood trickled from the corners of his eyes, and within his pupils, the previously separated tomoe had fused.

The shape of his Sharingan had changed—no longer three tomoe, but something more evolved. A pattern that resembled a rotating blade.

Behind him, a towering figure began to materialize.

A massive skeleton wrapped in purple and black energy emerged, surrounding Hei Yan in a protective shell.

With a thunderous roar, Hei Yan's Susanoo raised its fist—and slammed it into the ground.

Boom!!!

The entire town trembled.

Dust surged into the air, covering the sky.

"It's done," Mio muttered with a smile as he watched from above. "Looks like the plan worked."

He was merely testing a theory—but it had worked flawlessly. Mio was all too familiar with that shadowy, purple-black figure.

That was... Susanoo.

A power that only those with the Mangekyō Sharingan could manifest.

Mio's plan had used the power of the Sensory Fruit to create a vivid illusion for Hei Yan—one so realistic that it convinced him Mio had died. The emotional anguish and grief had pushed Hei Yan to the edge, awakening the next stage of the Sharingan.

And it had succeeded.

Of course, Susanoo was just one part of the Mangekyō's arsenal. Each eye possessed its own unique ability.

Mio couldn't help but wonder—

What kind of abilities would Hei Yan awaken?

Amaterasu?

Kamui?

Or Kotoamatsukami...?