Far beneath the layered seas of the present age… beneath currents charted by navigators, beneath trenches feared by sailors… deeper still than the abyss born after the drowning of the continents… There existed an older sea. A primordial ocean.
Not one shaped by the Second World's cataclysm—but a body of water that had always been there. A sea that predated the fall of kingdoms, the rise of gods, even the reshaping of the Red Line. When the First Epoch still breathed and the lands had not yet been swallowed, this abyss had already stretched endlessly into darkness.
When the continents sank, they did not create it. They merely fed it. Down here, sunlight was a myth. Even bioluminescence struggled to survive under the crushing pressure of eternity. The water itself felt ancient—heavy with the memory of extinct civilizations and forgotten titans.
And at the lowest depth of that abyss— It slept. A being so vast that it could not be measured in miles but in geography. Bonbori.
Its body sprawled across the ocean floor like a continent that had grown flesh. Ridges and protrusions along its armored hide resembled mountain chains. Forests of parasitic organisms clung to its back like ecosystems thriving upon a living landmass. Its breath alone displaced entire underwater currents.
Even here—where super-ancient Sea Kings prowled, creatures older than empires, beings whose lifespans dwarfed recorded history—none dared approach too closely. It was not merely strength that made them wary. It was resilience. Many monsters could destroy. Few could endure. Bonbori endured.
Wounds that would annihilate titans of the deep sealed over in time. Limbs regrew. Flesh reformed. Even when harpooned by ancient weapons of a forgotten war, even when pierced by relics forged in the First World, it had recovered. And over millennia, something else had changed it.
Assimilation. Somewhere in forgotten time, Bonbori had swallowed a fragment of Pure Gold—an artifact not meant for mortal ecosystems. It did not simply digest it. It absorbed it. Slowly. Incompletely. But steadily. Its flesh hardened beyond reason. Its cells clung to life with unnatural tenacity. Decay lost meaning. Mortality blurred.
Thus, it became something the abyss itself respected. An undead calamity. Its massive esca—once radiant in ages long gone—now swayed gently in the dark waters, unlit and dormant, like a dead star suspended before its host. The ocean floor trembled faintly with each slow heartbeat of the sleeping leviathan.
Then— It changed. A tremor ran through its body. Not from the outside. From within. At first, it was subtle. A ripple along an internal mass. A vibration like distant thunder.
Then— RIIIIIP
A slash tore through Bonbori's indestructible interior. Not along its scales. Not across its armor.
Through it. From the inside. A wound that did not scrape or bruise—but severed. For the first time in ages beyond counting, the calamity felt something unfamiliar.
Pain. Real pain. Its colossal body convulsed. Entire underwater ridges cracked. Ancient Sea Kings scattered in terror as shockwaves rippled outward across the abyss, displacing sediment that had not been disturbed in millennia. The esca flickered. A faint, unstable glow pulsed through the dark.
Bonbori's titanic eye—larger than an island—snapped open in the blackness. And it roared. The sound did not travel as ordinary noise. It traveled as pressure—a concussive force that rolled through the abyss like the detonation of a submerged sun. Creatures miles away were flattened against the seabed. Coral-like organisms shattered.
The leviathan writhed. The slash had cut through flesh layered with assimilated Pure Gold. Tissue that once regenerated without thought now struggled to close. The wound refused to obey the old rules. Inside its body, something was moving. Something it could not comprehend.
Bonbori had survived extinction events. It had outlived civilizations. It had devoured islands and swallowed armies. But this—this was different. The pain intensified. Another internal rupture split its vast anatomy as if space itself had been cleaved within its core. The undead monarch of the abyss did not understand fear. But it understood the threat. The pain did not fade. It lingered. It burned.
Bonbori's ancient instincts stirred beneath layers of abyssal apathy. This was not the dull ache of digestion. Not the familiar resistance of prey struggling in its final moments. This was deliberate.
Targeted. Alive. Memory—primitive, vast, and ocean-deep—rose within the leviathan's consciousness. Days ago, it had sensed it.
A presence swallowed whole. A fragment of resistance unlike the countless islands, ships, and beasts it had consumed across the epochs. This one had not dissolved immediately in the corrosive oceans within its belly. It had fought. The interior sea had churned. Flesh had ruptured. Bonbori had responded.
It had constricted its internal cavities. Flooded sections with concentrated acid. Increased pressure until even reinforced bone would liquefy. It had remained vigilant, every nerve stretched across its continental body, waiting for that spark to fade. And it had. Or so it believed.
For days it monitored the disturbance. For days it tightened, churned, digested. When no further resistance came, Bonbori relaxed. Its ancient metabolism resumed its steady rhythm. The threat, it concluded, had been erased—like all others before it.
Now— Another internal rupture split through its massive flank. The wound refused to close. Cells enhanced by assimilated Pure Gold surged to regenerate—but something cut deeper than flesh. The injury resisted correction, as if the very will behind it denied recovery. The undead monarch understood.
The prey had not died. It had endured. And now— It hunted from within. A tremor of something alien to Bonbori surged through its ancient mind. Not fear. But urgency. The leviathan moved. The abyss shook.
With a force capable of triggering underwater quakes, Bonbori hurled its continent-sized body sideways into the nearest sea canyon. The impact split ancient rock formations that had stood undisturbed since the First Epoch. Entire ridges collapsed beneath the sheer kinetic mass of the beast.
Sediment clouds exploded outward like underwater volcanic eruptions. Bonbori twisted violently, slamming its armored flank against submerged mountain chains. Peaks crumbled. Stone shattered against hide hardened by millennia of assimilation. The ocean floor cracked in spiderweb fractures beneath its weight.
Inside its colossal body, internal seas churned into catastrophic whirlpools. Acid surged through digestive channels in tidal waves. Bonbori rolled. Once. Twice. Again. Its movements were uneven, erratic—no longer the graceful dominance of an apex predator but the thrashing of a wounded titan desperate to crush something too small to seize.
Pressure increased within its cavities. Muscular walls contracted with mountain-crushing force. Caverns within its body collapsed and reformed. Entire internal ecosystems were obliterated as the leviathan attempted to pulverize the invader within. It dove sharply downward, then shot upward in a violent spiral, smashing its spine against an undersea plateau.
Shockwaves rippled across the abyssal plain. Ancient Sea Kings fled in panic. Even those who had survived forgotten wars and cataclysms retreated into deeper trenches. They had never seen Bonbori move like this. The esca flickered wildly now—faint gold pulses leaking into the black water.
Inside, the internal sea boiled. Acid storms raged. And still—the wound widened. Another slash tore upward through muscle layered with assimilated Pure Gold. Bonbori roared again—this time not in dominance, but in fury. It twisted its colossal body into a corkscrew motion, slamming itself repeatedly into an underwater mountain range. Entire peaks sheared off under its weight. Jagged stone pierced its hide, but even those wounds healed faster than the internal tear.
The external injuries were trivial. The internal one was not. Something inside it carried a will stronger than digestion. A will that cut. A will that refused dissolution. Bonbori constricted every inner chamber simultaneously, compressing with force capable of reducing warships to splinters. Internal pressure spiked catastrophically.
If the invader relied on breath, it would suffocate. If it relied on structure, it would collapse. If it relied on survival, Bonbori would outlast it. It always had. It always would. Yet—the tearing continued. Another internal rupture split across its side, deeper than the last.
The regenerative flow of assimilated Pure Gold stuttered. The ancient property that had once granted near-immortality now struggled against something sharper—something infused with will beyond matter. For the first time since it consumed that fragment of pure gold ages ago, Bonbori understood. It had swallowed something not meant to be swallowed.
The thrashing did not work. The mountains it shattered, the trenches it split, the ancient ridges it pulverized—none of it silenced the blade carving through its insides. The pain only deepened. It no longer felt like a wound. It felt like erosion. Like something was rewriting the inevitability of its survival.
Bonbori's vast, abyss-born instincts flared—not in panic, but in cold calculation. It had survived epochs. It had endured the drowning of continents, the rise of new seas, and the extinction of species that once ruled the deep. It had adapted when the First World fell. It had endured when the Second reshaped the oceans.
It did not survive by raging. It survived by acting. Another internal rupture tore across its continental flank, slower now—but deeper. The regeneration granted by assimilated Pure Gold faltered, struggling to overwrite something infused with will. Bonbori understood.
As long as the threat remained within, it could not win. The leviathan ceased its erratic collisions. The abyss stilled.
Then—it opened its mouth. The movement alone displaced oceans. Its colossal maw parted, revealing rows of abyssal ridges larger than mountain ranges. Darkness deeper than the trench itself yawned open, a void capable of swallowing archipelagos whole. Then Bonbori inhaled.
Not air. The sea.
The surrounding abyss collapsed inward as trillions of tons of ancient seawater rushed toward the cavernous mouth. Currents reversed violently. Entire ecosystems were dragged screaming into the pull. Sea Kings—creatures feared across the Grand Line—were ripped from their territories like drifting debris.
The ocean screamed. A spiral of water miles wide formed above Bonbori's jaws, a titanic whirlpool spinning downward into oblivion. Sediment, coral spires, shattered mountain fragments—everything spiraled inward. Bonbori did not stop.
It drank. The water pressure within its body surged as the abyss flooded into its internal seas. Cavities once filled with acidic digestion began to dilute. Internal oceans swelled violently, tides smashing against the flesh walls from within.
Inside, the acidic sea that had once been a weapon began to destabilize. The beast endured the shock of it. It had calculated the risk. If it could not crush the invader, it would drown it. Bonbori tilted its continental body upward, angling its maw toward higher currents, inhaling even more of the abyss. The trench above warped as water collapsed downward in catastrophic torrents.
The pressure within its body climbed to catastrophic levels. Internal chambers ruptured. Acidic tides mixed chaotically with ancient seawater. Storms formed inside the leviathan itself. The colossal titan then convulsed. Its body arched like a bending mountain range.
And then— It reversed. A thunderous contraction rippled from its abyssal spine to its gaping maw.
Bonbori expelled. What followed was not mere regurgitation. It was cataclysm. A super-pressurized column of water erupted from its jaws like a planetary geyser. The force tore apart the surrounding trench walls. Shockwaves blasted outward, flattening everything in a thousand-mile radius.
The expelled torrent carried everything within its upper digestive seas—acid, debris, shattered stone, dissolved remnants of long-consumed islands— And the threat. Bonbori convulsed again, forcing more internal water outward. Entire internal cavities collapsed in the process, sacrificing structure for expulsion. Flesh ruptured externally from the internal pressure, but it regenerated just enough to maintain structural integrity.
It did not care about injury. It cared about removal. Another violent contraction. Another catastrophic eruption of abyssal water and acid blasted into the deep, carving a temporary canyon through the ocean itself. The sea above churned unnaturally. Even at the distant surface, strange tidal disturbances began forming—massive upwellings rising from unfathomable depths.
Within the abyss, ancient Sea Kings watched from afar. The undying monarch of the deep was purging itself. Bonbori's esca flickered violently now, dim gold pulsing erratically in the darkness.
Inside, the internal storms reached their peak. Pressure. Flood. Convulsion. Expulsion.
The leviathan would tear apart its own insides if necessary. Better to be wounded and regenerate—than allow a predator to live within its flesh. With one final, titanic contraction, Bonbori forced the entirety of its upper internal sea outward in a cataclysmic surge, a geyser that split the abyss and sent shockwaves racing across tectonic plates.
The ocean floor trembled. The abyss roared. And deep within its ancient mind, Bonbori waited—
To see if the threat would finally be expelled… Or if the thing it had swallowed was something even the undying calamity of epochs could not purge.
The monstrous geyser did not simply erupt—it ascended. A pillar of abyssal fury tore through the ocean's depths like a spear aimed at the heavens. Its pressure rivaled the legendary Knock Up Streams of Jaya—those titanic columns of steam capable of ripping entire landmasses from the sea and casting them ten thousand meters into the sky.
But where the Knock Up Stream was nature's temper, this was wrath. The wrath of something that had defied nature for epochs. The galleon was caught in the heart of it. Adam wood—strong enough to endure centuries—would normally splinter like brittle twigs under such violence. Entire fleets would have been crushed into drifting dust.
Yet our vessel rose intact. Unyielding. My Armament Haki coated every inch of the hull, saturating it in an invisible armor of will so dense that even Bonbori's cataclysmic expulsion could not suppress it. We shot upward like an arrow loosed from the hand of a god.
Little Olga clung to my thigh with both arms, her tiny fingers digging in as the wind howled past us. Her golden blonde hair whipped wildly behind her as she screamed—not in fear. In delight.
"WEEEEEEEE—!!"
Her body flailed like a banner in a hurricane, legs kicking as though this was nothing more than a festival ride. Meanwhile, Magellan and Acier were living in a completely different reality. Magellan had wrapped himself around the mast with all the dignity of a terrified koala, face stretched and distorted by the gale, his frail body nearly flying off.
"THIS IS NOT A NAVIGATIONAL MANEUVER—!!!" he howled into the void, his voice instantly torn away by the wind.
Acier, ever the dignified scholar, had both arms wrapped around a support beam, spectacles crooked, hair plastered against his face.
"I REGRET EVERYTHING—!" he shouted with scholarly despair. "THIS IS NOT HOW SCIENCE WAS MEANT TO BE PRACTICED—!"
And there I stood— Feet anchored to the vertical deck as if gravity were a suggestion. Calm. Still.
As the ship blasted higher and higher into the sky. Far below, through Observation Haki, I felt it—
Bonbori. Rising. The ancient calamity surged upward through the sea with relentless intent. It had purged me once, or at least it had tried. It would not allow me to remain. A soft smile curved my lips.
"You should have run…" I murmured. "…not that it would have helped." I pressed my foot down lightly. The upward momentum ceased. The ship leveled, shifting smoothly from vertical ascent into horizontal suspension thousands of meters above the sea. The dark blue ocean below appeared deceptively serene now—its earlier chaos smoothed over by the vastness of its scale.
Olga dropped onto the deck with a soft thud and immediately rolled onto her back, giggling uncontrollably. "Again! Again! Let's do it again!"
Magellan lay spread-eagled against the planks, soul visibly attempting to leave his body.
Acier clutched his chest dramatically.
"I have lived nearly two centuries…" he wheezed, "and this is how it ends—reduced to airborne experimental cargo—!"
"You all should enjoy the view," I said lightly, stepping toward the railing. "Not many will ever witness such a wonder."
Gravity reclaimed its authority. The ship began to fall. But I had already infused enough Haki into the hull—and into their very bodies—that even a direct impact would leave them unharmed.
Before Magellan could finish forming his next complaint— I stepped off. The world inverted into silence. Freefall. Wind roared past me as I plummeted like a diver from the heavens. My coat snapped violently behind me.
Then— My Conqueror's Haki erupted. The sky cracked. Pressure radiated outward in concentric rings, distorting the very atmosphere. The ocean below responded as if struck by an invisible hammer. Waves buckled. Currents twisted. Clouds above spiraled unnaturally. Black lightning erupted around me. But it did not remain black.
It deepened. Shifted. Transformed. The will that once dominated battlefields ascended into something greater—something ancient. Divine Haki.
The air screamed. Across the horizon, the sea flattened as though forced into submission. Even the distant sky seemed to bow beneath the weight of it. A third eye opened upon my forehead. Not flesh— Perception. Awareness sharpened beyond mortal limits. The world slowed.
Time bent. In my hands, Akatsuki and Shusui awakened. Shusui's blade deepened into absolute night, devouring light itself as crimson-black lightning crawled along its edge like living veins. Akatsuki shimmered with radiant fury, its edge humming with a celestial resonance that cut through the wind. The blades were no longer steel. They were extensions of will.
Far below, Bonbori surfaced. The ocean parted around it. From thousands of meters above, I finally beheld its entirety. It was no exaggeration. It was a continent. Its back stretched across the sea like a moving landmass, ridged and scarred by epochs of survival. Mountain-like protrusions rose from its spine. Its esca flickered dimly, gold pulsing like a cursed star in the daylight.
Its maw opened again—vast enough to swallow island chains whole. It roared. The sound traveled through air and water alike, a vibration that rattled the heavens. But I was already descending. I poured more Divine Haki into my blades. My body surged. Expanded.
Muscle and spirit magnified under the pressure of unleashed will. I became a descending lance of black and crimson lightning, a spear thrown from the throne of the sky itself. The clouds split. The air ignited around me. Bonbori's colossal eye—large enough to be mistaken for a bay—locked onto my falling form.
For the first time since the First Epoch—the undying calamity felt something unfamiliar. Not pain. Not fury. Not instinct. But inevitability. I fell faster. Faster.
Faster—until I was no longer falling. I was striking. A divine bolt aimed at the heart of an ancient god of the deep. And the sea held its breath. The wind howled in my ears as I descended— No.
Not wind. The world itself was screaming. Below me, Bonbori rose in full. A continent given flesh. A calamity that had devoured epochs. Its colossal body churned the ocean into spiraling maelstroms. Mountain-sized ridges along its back cracked and shifted as it gathered strength, its esca pulsing with a dim golden glow—an ancient mockery of immortality.
It opened its abyssal maw once more. And I answered. Both blades crossed before me. Shusui—black as the void before creation. Akatsuki—radiant like the first dawn. Divine Haki surged. The sky fractured in concentric rings. Black lightning turned incandescent, shifting into streaks of gold and crimson. My Conqueror's will did not merely dominate— It declared law.
Even the ocean below flattened, pressed down by the sheer authority radiating from my descent.
Bonbori roared, the sound distorting clouds miles above. I spoke softly.
"Niten Ichi-ryū…" The world slowed. Time bent inward around the twin arcs of my blades.
"Genshikai—Sōten Kaimetsu." (Primordial World — Heaven-Cleaving Annihilation)
I swung. Not wide. Not dramatic. Just—final. The two blade slash carved forward in a perfect crossing arc. Black and gold lightning fused into a single line of absolute division. The slash did not travel through air—it erased it. A horizon of silence split the sky.
Then—impact. The blades met Bonbori's hide. The undying flesh that had endured epochs. The body that regenerated from extinction. For a heartbeat—there was resistance. Then resistance ceased to exist. The slash tore through Bonbori from crown to abyssal underbelly in a line so clean it looked drawn by a god's finger. The shockwave did not explode outward.
It tunneled forward. Through flesh. Through bone. Through gold-infused immortality. Out the other side. And it did not stop. The ocean split. A canyon formed across the sea itself, stretching beyond the horizon—one hundred miles of divided water. The sea did not crash back immediately. It recoiled. As though terrified.
The chasm plunged downward, revealing the seabed far below—cracked and trembling beneath the pressure of the strike. For several eternal seconds— There was only silence. Bonbori's gargantuan body hung in place. Then— A line of light traced from its skull to its tail. The continent-sized calamity separated.
Cleanly. Perfectly. Two halves drifted apart. No regeneration came. No golden assimilation sealed the wound. Divine Haki burned along the cut, denying recovery. The very concept of healing had been severed along with its flesh. The undying monster—apex predator of the abyss, survivor of the First Epoch—had been divided by a single crossing stroke.
Its esca flickered once. Twice. Then dimmed. The ocean trembled as the two halves began their slow descent into the canyon my blades had carved. Far above, the falling galleon hung suspended for a moment in the vacuum of displaced air. Magellan stared down at the split sea, glasses askew.
"…That," he whispered hoarsely, "is not something a human should be capable of."
Acier clutched the railing, eyes reflecting the impossible chasm stretching across the world.
"That was… a rewriting of natural law."
And Olga—Little Olga— Leaned over the edge of the ship with sparkling eyes.
"Handsome brother… do it again!"
Below us, the ocean finally dared to move. But even as the waters began to creep inward, they did so cautiously—slowly—like prey testing whether the predator was truly gone. The canyon would remain for days. A scar upon the sea. A reminder. That something far older than Bonbori had awakened in this era—and that even calamities born before continents could be cleaved— If struck by a blade forged in primordial will.