Idle Level-Up in One Piece Chapter 187 187: He Just Knows Too Much!

"Marine golden age?" His gaze ignited with clear thrill. "Merely picturing such an era—doesn't it set your blood racing?"

Though Marines faced labels as the World Government's loyal dogs, the vast majority nurtured a spark of justice deep inside.

Justice took various shapes, yet no one could overlook the Marines' vital role in securing peace across the oceans.

Pirates would grow far wilder and bolder without their presence.

Regarding the few rotten apples among them…

A handful would veer off path, turning corrupt and villainous. Such issues were inevitable, no matter the efforts.

On the island.

Rampaging Bear halted abruptly. His sweat-soaked body, shiny and slippery, now bore layers of grime, giving him a disheveled appearance.

"Conqueror's Infusion… damn, that packs a punch—"

"In merely a handful of years, his Haki has turned so dense and dominating—it's tough not to feel outmatched!"

Feeling Klein closing in fast, he sucked in a massive breath.

"Rokushiki Secret Art—Black Bear King!"

"TATAKAE!!"

Rip—!!

Cloth ripped savagely. His legs, thick as steel pillars, exploded right out of his trousers.

Thighs ballooned enormously, every muscle ridge sharp and defined, resembling a frame forged entirely from raw tendon without an ounce of excess.

It screamed raw bursting might.

Unlike the typical pirate bulk—huge torsos and shoulders atop spindly legs—Rampaging Bear flipped that script entirely.

Those 'chopstick legs' could well be Oda's cheeky gag, truth be told.

Standing roughly four meters before, Rampaging Bear expanded further. Muscles on his back and neck protruded like peaks, as if burdened by a giant rock.

He resembled a man-beast hybrid—

Even more terrifying than Muscle Devil Man.

The aura he radiated crushed all around.

"Rokushiki Secret Arts… The prior Marine Admirals dove profoundly into physical mastery," Klein murmured, his eyes sharpening thoughtfully.

In future times, Marine Admirals invariably wielded mighty Devil Fruits—around 80% being Logia variants.

"Wahaha!!" Rampaging Bear boomed a deafening laugh, thumping his enormous chest.

"Charge me, Klein! Savor the glorious allure of MUSCLE!!"

BOOM—!!

Earth exploded underfoot as he barreled ahead like a steamroller, surging at Klein with dragon-like fury.

Arm sinews coiled like twisted metal ropes.

A sinister violet Conqueror's Haki shroud wrapped his form—icy cold, devoid of warmth.

"Full Power: Frenzied Bear!!"

Armament Haki on his limbs swelled like a flooding river on the verge.

It overflowed with ruinous force.

Klein zipped forth at blinding pace, crimson flash in his gaze, streaking through the landscape like a cannon shot. He flashed a grin:

"I'm the type who delivers on hype."

"Don't whine if I overdo it later."

"I won't promise to hold back."

His presence erupted fiercely, unleashing even fiercer Conqueror's Haki bursts. Black-red bolts crackled, twisting around him like wrathful serpents.

Lightning tendrils writhed vividly, gathering near his limbs, channeling into his knuckles like streams merging into ocean depths.

"Fistbone: Galactic Impact!"

BOOM—!!

Like a maddened bear clashing with a freed dragon, dazzling radiance burst forth from the collision.

Terrain split open below their clash.

Fissures raced wildly over the island, on the brink of ripping it asunder.

"KNEEL!!" Klein roared, feral spark in his profound stare. "Rampaging Bear! You lean too heavily on your bulk—"

"Raw muscle might... gets you nowhere!!"

His Conqueror's Infusion flared out, brutally quelling Rampaging Bear's Armament Haki.

"NO!"

Rampaging Bear bellowed beast-like, neck veins bulging fiercely.

"The human frame boasts boundless possibilities! I'll unearth them all!"

"Each muscle strand, honed like forged iron, grants me not only power—"

"—but an unbreakable spirit!"

"Endurance isn't solely for outcomes—it's conquering your limits!"

His bulk heaved once more like crashing waves, pumping his limbs full of vigor.

Blood surged through vessels with a thunderous pulse.

Those words struck Klein deeply.

'Human strength… could truly know no bounds. Yet…'

"Here, Haki and Devil Fruits unlock the path to supreme might."

Indeed, Roger, Rayleigh, Red-Haired Shanks, Garp—

None relied on Devil Fruits.

Roger claimed the Pirate King throne.

Still, even they—

Served as mere footholds for the Sun God. Sharpening stones. Side players.

To Klein, Joy Boy and Imu epitomized Haki merged with Devil Fruit supremacy.

Those fixated on flesh alone…

Often fell. And fell hard.

Nevertheless...

Rampaging Bear etched his legend as the ultimate Tekkai deceiver.

"Mr. Lincoln… you truly impress," Klein conceded, eyeing Rampaging Bear afresh.

The "dumb brute" image vanished.

Truly—bias looms like a peak.

"I retract my earlier words. Let's battle flat-out—no mercy."

Klein's demeanor transformed. Playfulness vanished. Full focus engaged.

Previously, his battle sense stayed limited.

Now? Insight dawned clearer.

Yet insufficient still—

More clashes awaited, to uncover his truths.

He at last comprehended his captivating forebear's wisdom:

"Book knowledge runs shallow. True grasp comes from action alone."

"Wahahaha!!" Rampaging Bear unleashed a savage guffaw, embodying a thrilled wild bear. His visage glowed with raw manly vigor.

"I sense your resolve. If this bout sparks any shift, however small…"

"It carries purpose!"

Approval gleamed in his ferocious gaze.

From the start, he'd respected Klein. Even eyed him for recruitment. Personal guidance.

Who imagined? In three years, Klein rose to rival him.

A peer among the famed Marine Admirals.

BOOM BOOM BOOM—

BOOM BOOM BOOM—

Klein's stance rooted like timeless tree trunks into soil as he hammered punches relentlessly, trading savage blows with Rampaging Bear.

"Wahahaha!!"

"THIS captures battle's essence! Like tempering on a blazing forge!"

Klein's knuckles crashed into Rampaging Bear's left jawline, warping his face.

Rampaging Bear's colossal fist pounded Klein's right jaw, shifting his features.

Pure mayhem. Fists lashed wildly, devoid of pattern—just base survival drive.

The burning Armament Haki agony snapped Klein alert. He grinned inwardly:

"Sheesh… instincts this ingrained—they're wired into your very DNA. You slip into beast mode unaware..."

"That sly brute pulled me into his brawl without a hint!"

Abruptly, Klein's pupils shrank. Crimson threads bloomed across his eyes like fiery veins.

"Such brawling—this ain't my way!"

"Hasshoken!"

"Dragon Claw Fist!"

Twin arts unleashed—

Hasshoken, famed for its shockwave bursts, shredded barriers with drilling might.

Now boosted by Conqueror's Infusion, ruin amplified beyond measure.

Dragon Claw Fist gripped and stabbed with lethal precision to rend and shatter.

The abrupt tempo change blindsided Rampaging Bear.

With a snap, his left limb wrenched grotesquely. Claw gashes tore his right bicep—

Blood erupted skyward as he rocketed back like a loosed bolt.

"He's too sharp!"

"No—he masters far too many tricks!!"