One Piece Crossovers
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Powerpuff Girls Doujinshi Kai! by Mrotrax reviews
Collab with Knightmare Lord. A boy with no memories beyond his name and powers from another world suddenly appears in Megaville, leading to a great deal of adventure and changes. Action, life lessons and general mayhem incoming! Read and review, would ye kindly?
Crossover - Powerpuff Girls & One Piece - Rated: T - English - Adventure/Mystery - Chapters: 6 - Words: 13,869 - Reviews: 12 - Favs: 36 - Follows: 35 - Updated: 2/5 - Published: 8/11/2024 - [Buttercup, OC]
One Piece Historical: Boss Luffy & the Summoner by Pete the Rock reviews
Grand Jipang is welcoming a famed Summoner to the city where he'll protect it along with Boss Luffy. As the Summoner adjusts, Nobles will be on the hunt for him and his new friends.
Crossover - Pokémon & One Piece - Rated: M - English - Humor/Adventure - Chapters: 31 - Words: 73,572 - Reviews: 51 - Favs: 121 - Follows: 76 - Updated: 2/4 - Published: 3/31/2024 - Luffy, Nami, Vivi, Robin
Milenio Vacío II: Viejo Mundo by Sun Dancer 0880 reviews
Una serie de eventos ocasiona que All Might decida aprovechar la llegada de unos piratas del pasado para realizar un viaje hacia las ruinas de la Gran Linea.El joven grupo de héroes involucrados se entera de sus planes decidiendo traerlo contra su voluntad quedando a merced del tempestuoso mar, obligándose a cooperar con los piratas, descubriendo así en el camino...Un mundo perdido
Crossover - One Piece & My Hero Academia/僕のヒーローアカデミア - Rated: K+ - Spanish - Adventure/Friendship - Chapters: 102 - Words: 794,143 - Reviews: 102 - Favs: 48 - Follows: 44 - Updated: 2/3 - Published: 2/1/2023 - Luffy, Strawhat Pirates, Toshinori Y./All Might, 1-A Students
Izuku and Mei's Totally Bogus Journey by Bardothren reviews
Returning home stronger than he had left, Izuku no longer fits in the world he once called home. Both heroes and villains view his power as a threat and work to remove him. Faced with bending himself to his world's norms or breaking them, Izuku embarks on his journey to become the number one hero, while a world-ending disaster lingers in his shadow. Sequel to IMEA.
Crossover - One Piece & My Hero Academia/僕のヒーローアカデミア - Rated: T - English - Adventure/Humor - Chapters: 22 - Words: 101,547 - Reviews: 433 - Favs: 489 - Follows: 575 - Updated: 1/21 - Published: 11/13/2023
A Silver Legacy by KingofKings94 reviews
All it takes is one person to turn the world upside down. Let's watch as the most insane person decides to take U.A on the ride of their lives. (cover by Bundle of Sticks)
Crossover - One Piece & My Hero Academia/僕のヒーローアカデミア - Rated: T - English - Adventure/Humor - Chapters: 21 - Words: 82,053 - Reviews: 84 - Favs: 353 - Follows: 375 - Updated: 2/2 - Published: 10/12/2020 - OC, 1-A Students, 1-B Students
Father of Monsters by NeonZangetsu reviews
What is a monster? We use the term so often nowadays, in so many ways, it's long since lost any meaning. At their core, Monsters are that which evoke horror, and horror is the violation of that which is 'normal'. They are rejected by society, hated, abandoned. How could I hate a child for wanting to be more than 'normal? I refuse! Narutoxharem. Surprising pairing. Read and see!
Crossover - Naruto & One Piece - Rated: T - English - Romance/Adventure - Chapters: 7 - Words: 63,801 - Reviews: 1295 - Favs: 2,210 - Follows: 2,330 - Updated: 2/2 - Published: 7/14/2023 - Naruto U., Bellemere, Olvia, Big Mom/Charlotte Linlin
DEATH the Mysterious Organization by Tre600 reviews
When a secret organization makes its move, Naruto of the Ninja World and Luffy of the Straw Hat Pirates, and their friends, must unite to take out this evil group. The longer they're together, the more the horrible truth of the relationship between the World Government and Ninja World becomes clearer and on top of that, the leader of this organization has met them all before..
Crossover - Naruto & One Piece - Rated: M - English - Adventure/Friendship - Chapters: 145 - Words: 457,254 - Reviews: 33 - Favs: 81 - Follows: 73 - Updated: 2/2 - Published: 11/11/2019
Heroes of the New World by Zaru reviews
A Crossover Story between Zaru and Juubi-k. As Yamato, Son of Kaido, heals from her wounds from a battle against her tyrannical father, a chance meeting with a injured boy in green opens her world. And that world, will change. The boy's name? Midoriya Izuku. For Questions, refer to FAQ in story(after Chapter 15)
Crossover - One Piece & My Hero Academia/僕のヒーローアカデミア - Rated: M - English - Adventure - Chapters: 84 - Words: 538,513 - Reviews: 1768 - Favs: 2,534 - Follows: 2,699 - Updated: 2/1 - Published: 6/11/2022 - [Yamato, Izuku M.] T. Law, Reiju
The Gale Phantom by Jack Grey Logan reviews
The Straw Hat Pirates finally united on Sabaody Archipelago after two years apart. But before their voyage to Fish-man Island, they get new member into their crew, a spikey blonde youth with blue eyes and foxlike whiskers and a logia power to control, manipulate, and become wind.
Crossover - Naruto & One Piece - Rated: K - English - Adventure - Chapters: 2 - Words: 8,120 - Reviews: 11 - Favs: 45 - Follows: 57 - Updated: 2/1 - Published: 1/31
The Ultimate Worst Generation: Databook by stringdog reviews
This is a supplemental companion to my story 'The Ultimate Worst Generation' modeled in part after the One Piece Databooks. It will provide a little more information on the various new characters added from the 5 crossover series and can serve as a reference for those who want it. The added series are Fairy Tail, My Hero Academia, Black Clover, Akame ga Kill, and RWBY.
Crossover - One Piece & Fairy Tail - Rated: T - English - Chapters: 28 - Words: 24,705 - Reviews: 8 - Favs: 46 - Follows: 48 - Updated: 12/7/2024 - Published: 12/2/2023
The Ultimate Worst Generation by stringdog reviews
The Straw Hats have arrived on their final stop before descending to Fish-man Island and onto the New World, the Sabaody Archipelago. However, they're not the only big name rookies present, they are just one of 14 rookie crews present and the other 13 all have big names as well. Mass deep crossover with Fairy Tail, My Hero Academia, Black Clover, Akame ga Kill, and RWBY.
Crossover - One Piece & Fairy Tail - Rated: M - English - Adventure - Chapters: 28 - Words: 375,125 - Reviews: 157 - Favs: 192 - Follows: 202 - Updated: 12/7/2024 - Published: 10/15/2023 - Luffy, Strawhat Pirates
The Marine Demon's War Diary by Zweiil reviews
"Live as long as possible, if you lose your life again, there will be no possible resurrection." This is the ordeal that Being X imposed on Tanya during her second life. And that's exactly what she will do without asking for help from the individual she considers an impostor, despite all his schemes.
Crossover - Youjo Senki: Saga of Tanya the Evil & One Piece - Rated: T - English - Adventure/Fantasy - Chapters: 28 - Words: 144,688 - Reviews: 109 - Favs: 372 - Follows: 476 - Updated: 1/11 - Published: 12/20/2022 - Tanya, Visha
The unknown world by Cactuses are a thing reviews
The loki familia explores the deep regions of floor 70s, encountering the unknown will forever changed their reality.
Crossover - One Piece & Dungeon ni Deai o Motomeru no wa Machigatte Iru Darou ka - Rated: M - English - Mystery - Chapters: 4 - Words: 51,679 - Reviews: 13 - Favs: 26 - Follows: 37 - Updated: 2/28/2024 - Published: 1/15/2024 - OC, Finn D., Riveria Ljos Alf, Gareth L.
Luffy in H multiverse by Nightomare420 reviews
After the great escaped of Egghead Island. Luffy and his crew were sailing thru the seas, just after another day in the seas... Until one night... it was stormy, cold, dreadful night that no pirate, sailor, or marine can survive. Luffy was unfortunate in this dead night of the storm he slip during the storm as he fall into a portal as where Luffy takes him... so does other souls
Crossover - One Piece & Taimanin Asagi - Rated: M - English - Adventure/Humor - Chapters: 7 - Words: 23,349 - Reviews: 14 - Favs: 34 - Follows: 33 - Updated: 1/30 - Published: 11/3/2024 - Luffy, Igawa Asagi, Igawa Sakura
Monkey D Haru and the Goblet of Fire by Emma Iveli reviews
AU Crossover. Haru's fourth year gets interesting when a tournament is held at Hogwarts. But when someone else enters him, what will happen? Will it be fun or will it be hard? Well considering who he is, more than likely fun. Please R&R
Crossover - Harry Potter & One Piece - Rated: T - English - Humor/Fantasy - Chapters: 24 - Words: 36,537 - Reviews: 256 - Favs: 389 - Follows: 387 - Updated: 1/30 - Published: 10/28/2010 - Harry P., Luffy
An Ocean of Lives by AmusedLight reviews
Kidnapped by a traitor out of a village that already hated his presence, Naruto wonders about the world's vast ocean where he'll meet all kinds of people and learn the hardships of life, bringing chaos in his wake to find a way home. With war on the horizon, Naruto must choose how history defines him. Military aspect, romance-building, chapter 46 going through Revision.
Crossover - Naruto & One Piece - Rated: M - English - Adventure/Romance - Chapters: 56 - Words: 369,380 - Reviews: 1283 - Favs: 1,806 - Follows: 2,003 - Updated: 1/14 - Published: 2/8/2021 - Naruto U.
Kunoichi amongst Pirates by Katsura369 reviews
Sakura just wanted this war to end, for her teammates to be able to smile together again. Instead, she wakes up in another dimension, loses her ability to swim, and becomes shrouded in more mystery than she cared for. Now she aims to travel the Grand Line, with the oddest crew mates and their eccentric straw-hat captain, in hopes of uncovering answers.
Crossover - Naruto & One Piece - Rated: M - English - Romance/Adventure - Chapters: 31 - Words: 117,149 - Reviews: 250 - Favs: 685 - Follows: 863 - Updated: 1/30 - Published: 10/25/2022 - Sakura H., Luffy, Zoro, Strawhat Pirates
Echoes of the Rift by OOskar reviews
Three months after their battle in Marley, Luffy and Levi find themselves trapped in a hostile world with no way back. While Levi struggles with his injuries, Luffy refuses to give up hope of returning home. Their search for answers leads them to Captain Ireida, a ruthless warrior who wields the power to control...
Crossover - One Piece & Attack on Titan/進撃の巨人 - Rated: K - English - Mystery/Adventure - Chapters: 1 - Words: 1,020 - Reviews: 3 - Published: 1/30 - Luffy, Levi A. - Complete
Fox Down: Vengeance upon the Sea by Iskander Mandoraekon reviews
Betrayed by his comrades and friends seeking the approval of the mysterious World Government, Naruto is condemned to suffer in a dark cell despite all he's done for his village. However, after the dust settles from the Leaf's betrayal, an Avenger shall break free of his bonds to remind the world of why they should have left the Uzumaki alone.
Crossover - Naruto & One Piece - Rated: M - English - Adventure/Tragedy - Chapters: 4 - Words: 27,776 - Reviews: 39 - Favs: 154 - Follows: 191 - Updated: 1/29 - Published: 1/28 - Naruto U., Sasuke U., Sarada U., Robin
Empty, Black by uvcalamity reviews
After a heated confrontation, the Troupe find themselves unexpectedly teleported to a mysterious new world. With no clear way to return home, they are forced to adapt, forging new alliances with local inhabitants, and facing challenges from both the environment and new, formidable foes. As they journey through this otherworldly land-and their greatest challenge yet, the grandline.
Crossover - One Piece & Hunter X Hunter - Rated: M - English - Adventure/Drama - Chapters: 1 - Words: 874 - Reviews: 3 - Favs: 3 - Follows: 3 - Published: 1/29 - Akainu/Sakazuki, Big Mom/Charlotte Linlin, Nobunaga, Chrollo
Rise of S-Monkey by Zero Arashi Uchiha reviews
Killed by Akainu on Marineford. The World Government clones Monkey D. Luffy as a Seraphim. Naming him S-Monkey. Smarter Luffy, dark Luffy.
Crossover - One Piece & X-overs - Rated: M - English - Angst/Mystery - Chapters: 1 - Words: 2,627 - Reviews: 26 - Favs: 50 - Follows: 52 - Published: 1/28 - Luffy, Lilith, Boa Hancock
Portals of Misfortune by OOskar reviews
In Portals of Misfortune, Monkey D. Luffy and his crew finally discover the One Piece, only to unleash a mysterious portal that transports them to Marley, a war-torn land in another world. There, they encounter Levi Ackerman, a skilled soldier on a covert mission. Chaos ensues as Luffy's exuberant antics expose Levi's operation, forcing the two to form an uneasy alliance.
Crossover - One Piece & Attack on Titan/進撃の巨人 - Rated: K - English - Sci-Fi/Adventure - Chapters: 1 - Words: 1,169 - Reviews: 5 - Published: 1/28 - Luffy, Nami, Levi A., Zeke Y. - Complete
Legacy of Flames by AH2003 reviews
Very Heavy Au keep an open mind if not this is not a story for you After his death, Garp accepts an offer to be reincarnated in another world with his memories and some gifts. His arrival in My Hero Academia alters the path of a young hero, shaping the future in unexpected ways.
Crossover - My Hero Academia/僕のヒーローアカデミア & One Piece - Rated: M - English - Fantasy/Supernatural - Chapters: 2 - Words: 1,773 - Reviews: 2 - Favs: 4 - Follows: 5 - Published: 1/28 - Garp, Izuku M., Itsuka K.
mando en onepice by Tensa Amidamaru reviews
dinjarin el mandaloriano buscando una pista de mandalore llega a un mundo nuevo y llega a una aldea atacada por una especie similar a algunas especies acuaticas (one-shot)
Crossover - Star Wars & One Piece - Rated: K+ - Spanish - Sci-Fi - Chapters: 1 - Words: 2,096 - Reviews: 2 - Published: 1/26 - Arlong - Complete
One Piece World by Zilress reviews
Riqueza. Fama. Poder. Hubo un hombre que tuvo todo lo que este Mundo tenía para ofrecer, el Rey de los Piratas Gol D. Roger, sus últimas palabras hicieron que todo el mundo, inspirado por la aventura que suponía encontrar su legendario tesoro, el One Piece, se adentrara en los mares en busca de sus sueños. El Mundo Entero se encuentra en la Gran Era Pirata.
Crossover - One Piece & X-overs - Rated: M - Spanish - Adventure/Fantasy - Chapters: 1 - Words: 8,892 - Reviews: 3 - Favs: 1 - Follows: 2 - Published: 1/26
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