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Transmigrated Into One Piece With The Strongest Haki.

Ashveil found himself transmigrated into a vast and perilous world dominated by pirates — a realm where the seas stretched endlessly, and only strength determined one’s destiny. Not long after his arrival, fate threw him into a clash of wills against none other than the world’s strongest man himself. That brief but overwhelming encounter left a mark, and in a twist of fortune, Whitebeard personally acknowledged Ashveil’s spirit and appointed him as the Zero Commander of his mighty fleet. From the very start of his journey, Ashveil awakened the mysterious Conqueror’s System — a cheat-like power that allowed him to grow stronger each day in the most unexpected ways. By simply signing in daily and even doing something as ordinary as basking in the sunlight, his strength would rise steadily toward unimaginable heights. In this ruthless ocean where pirates reigned supreme, Ashveil believed there was no conflict that could not be crushed with a burst of King’s Haki. And if there ever appeared a situation where ordinary Haki was insufficient, he had only one solution: to unleash the overwhelming might of his Haki! For in the end, no apologies were necessary when his Haki was destined to be hundreds of millions of points stronger than anyone else’s. ___ Disclaimer: This story features an overpowered main character, though not at god-tier level from the start. If you dislike OP protagonists, this may not be the story for you. Additionally, the narrative will explore multiverse concepts in the later chapters. ___ Read chapters in advance at [email protected]/Zphyr_ Check out my other fanfics, you might like em.
Zphyrr · 1.1m Views

One Piece: Start with Rem, My Crew Are All Multiverse Monsters

Waking up in the world of One Piece, Ark (Suzaku Yareon) finds himself in the worst possible start—tied to a mast, surrounded by vicious pirates, and seconds away from execution. But fate favors the bold. In his desperate moment, he awakens the [Multiverse Summoning System]. The rules are ruthless but simple: Chaos breeds Fame, and Fame summons Legends. With his life on the line, a blue-haired maid with a demonic horn steps out of the void, wielding a flail capable of crushing boulders. "Rem is here to serve." From that day on, the balance of the Grand Line is shattered as his ship becomes a gathering place for beings that defy common sense. First, a Winged Demon descends, her absolute defense mocking Admiral Kizaru's speed of light. She is followed by a Cold-blooded Arrancar, whose green energy blasts bring despair to the absolute justice of Enies Lobby. As they enter the New World, the crew grows even more terrifying. A red-eyed girl, the Wielder of the Demon Sword Murasame, slays a Billion-Berry Calamity with a single scratch. The seas tremble as the Ghost of the Uchiha dares to dance with the Soul Queen herself, while the God of Shinobi treats the 'Strongest Creature' like a mere whip. Finally, an Ice Queen freezes the very ocean just to alleviate her boredom, accompanied by Steel Warships that transform into girls, bombarding enemies with heavy artillery. Sengoku: "Report! Who is this Suzaku? Why does his crew possess abilities that don't exist in our Devil Fruit encyclopedia?!" Suzaku: "Run, struggle, and fear me. The more you talk about me, the stronger my crew becomes."
AkarinTL · 160.8k Views

One Piece: Rinnegan Is My Golden Finger.

In his past life, Uchiha Chiga was just another face in the crowd on Earth — a boy obsessed with anime, power systems, and the pursuit of ultimate strength. He never expected to wake up in the blood-soaked world of Naruto, reborn into the legendary Uchiha clan. Chiga was a genius. More than a prodigy — a monster in the making. With his knowledge of the original timeline and an iron will, he made his move early: He fused with Hashirama’s cells. He awakened the Rinnegan. But power breeds fear. And in the shadows, Orochimaru was waiting. Betrayed. Ambushed. Slaughtered like a failed experiment. Just when the cold grip of death closed in— Chiga woke up again. This time, under the twin suns of a world ruled by pirates and monsters — the One Piece universe. And with him came his Rinnegan… but something was different. Here, it had evolved. A power not seen in either world: the Devil Fruit Devourer — an ability that let him absorb the essence of Devil Fruits, integrating their abilities into his bloodline. Each fruit absorbed… Each power devoured… Added a new magatama to his Rinnegan. One magatama Three magatama Six magatama Twelve magatama When all twelve magatama are gathered, the legend of the Sage of Six Paths will be reborn — But not as a man. Not as a ninja. As something beyond mortal comprehension... An Ōtsutsuki Sovereign. And when that day comes, he will return to the world that betrayed him — not for justice… but for dominion. “I’ve seen ninja grovel for power. I’ve seen pirates kill for freedom. But I… I will reign across worlds.” The Shinobi World. The Pirate Seas. The Multiverse. None shall escape the gaze of this Monarch. --- Disclaimer: One Piece is a copyrighted work of Eiichiro Oda. This fanfiction is a transformative creative work and is not officially affiliated with the One Piece or Naruto franchises. ********************************** Join our discord server Link: https://discord.gg/Mr8Q62CH Support us on patreon (+Gain access to chapters in advance) Link: patreon.com/Zphyr_ **********************************
Zphyrr · 4.1m Views

One Piece: Who Gave the Straw Hat Pirates a System?

After a disastrous attempt to infiltrate the world of pirates, Ron found himself instantly killed for violating the body of Im-sama. Yet, death was not the end. Reborn in Windmill Village, he awakened the ultimate power: the Pirate Overlord System. Its core ability, Heaven-Defying Plunder, was simple yet boundless: by binding a target to a specialized subsystem, any reward they earned would be returned to Ron tenfold. "Perfect," Ron grinned. "Now, it's time to turn this world upside down." He gifted Sabo the Ultimate Krypton Gold System and Ace the Daily Punch-In System. To Luffy, he bestowed the [God-Level Choice System]. Luffy: "So... if I punch that guy, I get meat? Shishishi!" Usopp (with the Strongest Pretending & Slapping System): "I command eight thousand elite divisions, with tens of thousands of followers across the East Blue!" Zoro (with the God-Level Sleeping System): "A fight? Let me take a quick nap. Witness the Three Thousand Dreaming Swords!" Sanji (with the God-Level Beating System): "You call that a kick? If we're true brothers, come at me and try to kill me!" Nami (with the Ultimate Treasure Hunting System) somehow unearthed the very treasures of the underworld with a single, casual shovel strike. One by one, Ron equipped the entire Straw Hat crew with their own reality-breaking systems, and in doing so, he reshaped the very fabric of the pirate world. …. Kaido: "The strongest creature? Pfah! Every single one of those Straw Hats is a monster!" Sengoku: "GARP! You call this a simple adventure? Your grandson is about to plunder the celestial gold itself!" Dracule Mihawk: "Roronoa Zoro... a prodigy? No. He masters my techniques in his sleep." The Five Elders: "Since when did the Straw Hat Pirates become the Ten Emperors?! And their true captain... Ron, the System Emperor?!" Read more advanced chapters: https://patreon.com/J_Dragon?utm_medium=unknown&utm_source=join_link&utm_campaign=creatorshare_creator&utm_content=copyLink
Jade_Dragon_8373 · 183.5k Views

Chronicles of the Abyssal Drifter: [One Piece] [Naruto] [Bleach]

In the turbulent seas of the New World, betrayal had already sealed its mark. Teach’s hands dripped crimson, Thatch’s lifeless body sprawled beneath him, and the sky roared, thunder splitting the horizon. Yet even in the wake of murder, Teach’s voice quivered with disbelief. “Where is it? The Dark-Dark Fruit... vanished? Impossible... I killed him for nothing?” Far beyond those seas, in the war-torn Shinobi World, another shadow stirred. Black Zetsu stood frozen, his gaze locked upon the ominous dark energy now coiling around Madara Uchiha. His words trembled with desperation. “Where… is my mother?!” Madara, touched by confusion yet cloaked in power, could only murmur: “She was… consumed. Devoured by this darkness.” Zetsu’s silence screamed louder than any battle cry. And in yet another realm, in the sanctified heart of the Seireitei, a quiet storm brewed. Aizen’s eyes, sharp with curiosity, lingered on the man before him. “Sensei, what’s the name of your Zanpakuto?” The answer came like a whisper from the abyss, calm yet absolute. “Kaguya-hime.” Three worlds, three shadows of destiny, all bound by the same unfathomable darkness. ——————— PATREON LINK: https://www.patreon.com/AlexandrusTL 100+ advance chapter! ——————— SAUCE: https://wap.faloo.com/new_942969.html ——————— NOTE: The other two worlds won’t appear for at least 400 chapters. This story is structured more like a One Piece fanfic that eventually moves on to Naruto and Bleach once the protagonist has fully reached the peak of each world. If you're looking for a crossover where the MC jumps from one world to another, this might not be for you.
AlexandrusTL · 531.1k Views