[Reward: Seeing and Hearing the Change in Color and Quality! (Note: This ability is unique to this world.)]
[The reward has been issued. Please check your status, Host!]
Carl, sitting on a sofa, paused as he held his coffee cup.
"Seeing and hearing the change in color and quality?"
A power akin to Katakuri's future sight and Roger's Voice of All Things?
"So this means…"
Two ominous red lights flickered in his eyes.
His Observation Haki surged outward like an invisible web, instantly encompassing all of Fish-Man Island!
"Changing…" Carl murmured.
His vision was suddenly overwhelmed by an eerie transformation—terrifying killing intent, so dense it felt almost tangible, merged into his Haki perception.
The entire web of Observation Haki turned blood-red.
At the Mermaid Café…
Madame Shyarly, sipping her tea, suddenly looked up, her eyes filled with shock.
"This…what is this!?"
The world around her seemed to distort. The once lively streets of Fish-Man Island now resembled an ancient battlefield—soaked in a deep, reddish-brown hue, as if it had endured endless slaughter.
Shyarly gritted her teeth, attempting to rise, but—
She couldn't move!
"What the hell is this…?"
Her instincts screamed at her to flee, yet her body refused to respond. Though her strength and stamina remained, it was as if her soul itself was paralyzed!
Elsewhere, the citizens of Fish-Man Island shuddered. They could sense something was… off.
But unless Carl deliberately targeted them, the effect was similar to standard Observation Haki.
Shyarly, however, had been caught in the epicenter—because Carl had just unlocked this power and had yet to fully control it.
Then, in an instant—
All of Carl's killing intent fused completely with his Haki perception.
The red glow in his eyes slowly faded, and the world returned to its normal state.
Carl took a deep breath and set his coffee cup down.
A Decade-Old Bottleneck—Shattered!
"The limit I haven't broken for over ten years… was just surpassed."
Carl looked at his palm in a trance.
He had not just gained a new skill.
No—
This was something far more profound.
It was an instinct.
Like Armament Haki, this ability was now a fundamental part of his existence.
[Killing Field]—An Ability Born from Pure Murderous Intent!
• Killing intent could now be materialized, allowing his attacks to carry lethal intent amplification.
• Wounds inflicted by his attacks would suffer from "murderous intent erosion," making them exponentially worse over time.
• Within his Observation Haki's range, he could manifest a "Battlefield Illusion," amplifying the fear and bloodlust of those trapped inside.
In short, Carl had found a way to turn his killing intent into a real, tangible force!
"Tsk, this ability… I hit the jackpot."
Smirking, Carl downed his remaining coffee.
Then, tossing a stack of Berries onto the table, he stood and walked toward the door.
Shyarly, standing at the entrance, watched him leave with conflicted eyes.
Ryugu Palace…
"Huh?! You're leaving already, Mr. Carl!?"
Princess Shirahoshi pouted, her large blue eyes filled with disappointment.
"But you've only been on Fish-Man Island for a few days!"
Carl laughed. "Next time, I promise. I still have work to do."
For the past few days, Shirahoshi had been accompanying Carl and his crew.
Despite being the legendary Ancient Weapon Poseidon, she acted like an innocent, playful girl—nothing about her demeanor hinted at the terrifying power she possessed.
At that moment, King Neptune spoke, his tone grave.
"Colonel Carl, I will be submitting a formal request to the World Government to station Marine forces here in the future.
When that time comes, I hope you'll return."
Carl's brow twitched.
A vein bulged on his forehead.
"Tch… If you can convince my boss, then we'll talk."
With that, under the respectful gazes of countless Fish-Men and Mermaids, Carl and his crew departed from Fish-Man Island.
Carl's Reputation Surpasses Jinbe?!
Carl's prestige among the Fish-Men was at an all-time high.
He had not only saved Shirahoshi but also uncovered the true mastermind behind Queen Otohime's assassination ten years ago!
This revelation had completely shifted the island's perception of humans.
For the first time in history, Fish-Man Island no longer saw all humans as enemies.
And it was all because of Carl.
Aboard the Marine Warship…
"Colonel Carl…" Bright, one of his subordinates, stared at him.
"You seem… different."
Carl, lying back on his chair, lazily opened one eye.
"How so?"
Bright hesitated.
"I can't explain it. It's just… something about you feels off."
In truth, this was a passive effect of Carl's [Killing Field].
His murderous aura was now permanently active, lingering around him like an unseen storm, ready to explode at a moment's notice.
Suddenly—
Carl's eyes snapped open.
He turned his gaze toward the distant horizon.
A massive shadow was blocking out the sun.
"…That's…"
Carl took a deep breath.
A monstrous, whip-like tentacle emerged from the ocean's depths, lazily swaying back and forth.
It was a Sea King!
No—
A large Sea King!
One of the rulers of the deep!
Carl smirked.
"Perfect timing… Let's test this out on you!"
The Battlefield of Killing Intent!
His blood-red eyes glowed ominously.
A blood-colored wave of pure killing intent erupted, stretching across the ocean—
And then—
The illusion descended.
The Sea King froze.
It roared, thrashing violently.
Its massive tentacles lashed out, sending powerful waves crashing against the warship.
But something was wrong.
The Sea King's movements—
They weren't aggressive.
They were frantic.
It was… panicking.
In the illusion, a colossal blood-colored beast took form.
Although smaller than the Sea King, it radiated an overwhelming presence.
Bright's forehead was drenched in sweat.
"Colonel Carl… is that… your ability?!"
The battle began.
The Sea King's tentacles struck out, tearing through the blood beast, only for it to reform instantly.
It was a battle of attrition.
Until—
The Sea King panicked further.
BOOM!
It spewed a massive ink cloud, shrouding the sea in darkness—
And fled!
Carl blinked.
"…You're kidding me."
A Large Sea King… just ran away?
He had been ready to slaughter the beast, but it had chosen self-preservation over pride.
With a sigh, Carl relaxed.
"Well… at least that was interesting."
The Next Destination?
Back on the warship, Bright saluted.
"Colonel Carl, where to next?"
Carl stroked his chin.
Then, glancing at Coffey and Emily, he smirked.
"Let's visit their hometown."
Emily jumped up excitedly.
"Ancient Sleep Town! Ancient Sleep Town!"
Carl nodded.
Their next journey had begun.
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