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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: 75 - Words: 484,325 - Reviews: 1479 - Favs: 2,318 - Follows: 2,510 - Updated: 1h - Published: 6/11/2022 - Yamato, Izuku M.
Mario and Luigi's Multiversal Adventure Pirate Saga by The Crimson Yinglet reviews
Mario and Luigi are on a multiversal adventure to find the missing power stars. Will their actions have dramatic changes to these worlds and will it have unforeseen consequences. Only time will tell.
Crossover - Mario & One Piece - Rated: T - English - Adventure/Friendship - Chapters: 31 - Words: 165,680 - Reviews: 67 - Favs: 81 - Follows: 74 - Updated: 13h - Published: 9/3/2022 - Mario, Luigi, Luffy, Ace
God of One : Boite de Pandore by crosschroniqueur
Dix ans se sont écoulés après l'affrontement contre Perséphone et Atlas. Ace, le "fantôme des mers", continue à se battre au nom de l'Olympe, même si sa patience envers les dieux commença à s'amenuiser. Toutefois, le destin va lui donner enfin sa chance d'obtenir sa vengeance contre Arès. Pour ce faire, il devra récupérer un artefact contenant des pouvoirs anciens et interdits.
Crossover - One Piece & God of War - Rated: M - French - Adventure - Chapters: 4 - Words: 6,655 - Updated: 14h - Published: 8/4
Tempest’s Will by AmateurWriter69
Reincarnated into the world of One Piece. A man decides he would stand above the rest. By any means necessary. OP protagonist, Kinda. Dark themes. Harem. AU.
Crossover - One Piece & Anime X-overs - Rated: M - English - Adventure - Chapters: 2 - Words: 6,310 - Favs: 5 - Follows: 6 - Updated: 18h - Published: 9/30 - OC
Iron Fist Alexander in One piece by Quickben1 reviews
All vessels are destined to one day break. Alexander the Warrior Jar, passed away in peace comforted by the fact that he lived and died by his warrior creed. His friend, the new Elden lord whom he fought for the last time, gave him his blessings so that one day he'll rise again as the warrior he once was. Elden Ring X One Piece FanFic
Crossover - One Piece & Elden Ring - Rated: M - English - Adventure - Chapters: 18 - Words: 59,685 - Reviews: 8 - Favs: 20 - Follows: 25 - Updated: 18h - Published: 9/19
One War by Ying-Yang-Ding-Dang reviews
A month after the surrender of the Empire of Japan the American first fleet commanded by Scott Duncan Hazard was ordered to return home to San Francisco and fate says otherwise and sends them to the unknown To the world of one piece where democracy isn't present, freedom shall reign as the land of the free, frees the world Mostly WW2 x One piece with battlefield elements
Crossover - One Piece & Battlefield - Rated: T - English - Supernatural/Fantasy - Chapters: 3 - Words: 13,532 - Reviews: 15 - Favs: 12 - Follows: 14 - Updated: 10/2 - Published: 9/17 - Smoker, Tashigi, Akainu/Sakazuki, Strawhat Pirates
Naruto: Reborn as Zoro by creampuffs69 reviews
Penniless man died and reincarnated in the world of Naruto. But he becomes Roronoa Zoro from One Piece instead. Living his new life in the dangerous world with his swordsmanship talent. How will his life goes? Read chapters ahead in p@treon
Crossover - Naruto & One Piece - Rated: K - English - Adventure - Chapters: 59 - Words: 93,901 - Reviews: 46 - Favs: 194 - Follows: 218 - Updated: 10/1 - Published: 5/21 - Zoro
Rubber Trainer by seattlesoccer98 reviews
Ash Ketchum finds the Gomu Gomu no mi and eats it.
Crossover - Pokémon & One Piece - Rated: K+ - English - Adventure - Chapters: 1 - Words: 3,060 - Reviews: 1 - Favs: 1 - Follows: 2 - Published: 10/1
A Piece of Divinity by Bub3loka reviews
A prophecy revealed too soon, a promise given. A hero's fear, a maiden's love, destiny is shattered as they find themselves washed upon a new shore. AU, Slowburn, Set before OP canon, Will be epic in length
Crossover - One Piece & Percy Jackson and the Olympians - Rated: M - English - Adventure/Romance - Chapters: 16 - Words: 114,277 - Reviews: 191 - Favs: 735 - Follows: 890 - Updated: 10/1 - Published: 5/18/2023 - [Percy J., Calypso] Tyson, Rachel D.
The King of Heroes by Hickory locks reviews
The Great Pirate Era ended thousands of years ago. But somehow one document has been left, this one document had changed society forever. In the world of My Hero Acadamia a man wanted to become the King of Heroes (Luffy in MHA)
Crossover - One Piece & My Hero Academia/僕のヒーローアカデミア - Rated: T - English - Humor/Supernatural - Chapters: 12 - Words: 27,332 - Reviews: 29 - Favs: 60 - Follows: 72 - Updated: 10/1 - Published: 4/29
Tyrant Shield Hero by MountainKing2401 reviews
Instead of summoning a college student with little to no combat experience, Melromarc summoned an infamous pirate captain as their Shield Hero. Armed with a legendary weapon and an innate distrust of any kind of government, how will this newcomer fare in a world where everyone hates him?
Crossover - One Piece & Rising of the Shield Hero/盾の勇者の成り上がり - Rated: M - English - Adventure/Fantasy - Chapters: 5 - Words: 5,289 - Reviews: 8 - Favs: 21 - Follows: 26 - Updated: 10/1 - Published: 9/27 - OC, Raphtalia, Firo, Motoyasu K.
Mew's Most Excellent Adventure by Vebulus reviews
Mew get's pull through a dimensional portal one day, ending up on the same boat as Monkey D Luffy as he sets out on his adventure. The pair quickly bonding over their zest for life. The only result can be chaos. Skirts the border of crack.
Crossover - Pokémon & One Piece - Rated: T - English - Humor/Adventure - Chapters: 17 - Words: 30,782 - Reviews: 104 - Favs: 243 - Follows: 260 - Updated: 10/1 - Published: 3/3/2023 - Mew, Luffy
Everyone Has Dreams by hopefulheart108 reviews
After being given a collection of DVDs of an anime they've never heard of, Class 1-A and their teachers decide to watch it in their free time.
Crossover - One Piece & My Hero Academia/僕のヒーローアカデミア - Rated: T - English - Chapters: 76 - Words: 382,789 - Reviews: 1502 - Favs: 2,232 - Follows: 2,309 - Updated: 10/1 - Published: 12/4/2020 - Toshinori Y./All Might, Shouta A./Eraserhead, Hizashi Y./Present Mic, 1-A Students
One Piece Treasure Of The Gods by Hector Flores
In the age of the Void century, gods from other realities arrived and changed the world of one piece for better or worse this is the adventure of the straw hat Pirates this is a Au Harem story.
Crossover - One Piece & Percy Jackson and the Olympians - Rated: M - English - Romance/Adventure - Chapters: 6 - Words: 29,179 - Favs: 30 - Follows: 36 - Updated: 10/1 - Published: 7/4/2023
Blindfold and Flower by Sei RedFox reviews
Mage muda yang mendapatkan undangan menghadiri acara konferensi sejarah di menara sihir dan menjalin kedekatan dengan arkeolog pengisi acara tersebut. Nico Robin (One Piece) X Takius (Ragnarok the Animation) crossover
Crossover - One Piece & Ragnarok - Rated: T - Indonesian - Romance/Drama - Chapters: 11 - Words: 14,735 - Reviews: 2 - Updated: 10/1 - Published: 7/16 - Robin
Part of your world by 61394 reviews
AU Taking place between Wano and Egghead after setting sail from Wano the Straw Hat crew land on an autumn island where they encounter the All Seas Pirates whose captain has a history with Luffy
Crossover - One Piece & Little Mermaid - Rated: K+ - English - Adventure/Family - Chapters: 3 - Words: 3,625 - Reviews: 6 - Favs: 10 - Follows: 9 - Updated: 9/30 - Published: 9/16 - [Ariel, Prince Eric] Luffy - Complete
Straw Hat's Guardian by ArmyBratz101 reviews
All his life Lambo has been seen as nothing but a tantrum throwing selfish weak crybaby, it's easy to see himself that way. Then, one day a Straw Hat comes flying into his life bringing chaos wherever he went, while dragging Lambo along with him. Lambo just can't help but go along with this Straw Hat, he even enjoys it. This is the story of how a boy grew into who he wanted to be.
Crossover - One Piece & Katekyo Hitman Reborn! - Rated: T - English - Adventure/Family - Chapters: 40 - Words: 183,013 - Reviews: 27 - Favs: 193 - Follows: 187 - Updated: 9/30 - Published: 6/1/2022 - Luffy, Zoro, Nami, Lambo
The Einhejar Straw Hats by Fiction Realm reviews
After freeing Wano from Kaido, all of the straw hats decide to just sail for a vacation, getting supplies, enjoying the sights and training for the battle to the One Piece. But this vacation may end up giving them more firepower in the form of 14 powerful individuals. The Straw Hats are getting a big boost in their sailing journey.
Crossover - One Piece & Record of Ragnarok/終末のワルキューレ - Rated: T - English - Adventure - Chapters: 5 - Words: 9,951 - Reviews: 63 - Favs: 118 - Follows: 124 - Updated: 9/30 - Published: 2/8/2023 - Strawhat Pirates, Einherjar
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: 133 - Words: 420,924 - Reviews: 31 - Favs: 78 - Follows: 70 - Updated: 9/30 - Published: 11/11/2019
Serenity: Crossing Realms by MysticSkye8 reviews
Rena led a simple, boring, lonely life until one day she met a being from another world. A Guardian who protects the Realms, and she needs Rena's help to save everyone. She had always wanted to travel the world, but now, she is traveling between worlds. Who will she encounter along the way? Multiple crossovers: Fairy Tail. MHA, One Piece, and more.
Crossover - One Piece & My Hero Academia/僕のヒーローアカデミア - Rated: M - English - Adventure/Fantasy - Chapters: 104 - Words: 148,441 - Reviews: 2 - Favs: 34 - Follows: 40 - Updated: 9/29 - Published: 1/7 - Luffy, Keigo Takami/Hawks - Complete
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: 20 - Words: 47,044 - Reviews: 30 - Favs: 87 - Follows: 63 - Updated: 9/29 - Published: 3/31 - Luffy, Nami, Vivi, Robin
The Pirate King's Left Hand Man by Ayodele PKA reviews
Naruto makes the decision of a lifetime by joining the pirate king's crew before it ever became famous. Together they will take the world by storm fighting famous figures like garp and rocks while turning the world upside down. This is the journey of how the Roger pirates went from being an unknown pirate crew to standing at the top of the world. What legacy will Naruto leave?
Crossover - Naruto & One Piece - Rated: T - English - Adventure/Drama - Chapters: 6 - Words: 19,067 - Reviews: 28 - Favs: 100 - Follows: 117 - Updated: 9/29 - Published: 8/3 - Naruto U., Gol D. Roger, S. Rayleigh
One PieceKingdom Hearts - La Puerta Oculta by SpiritWarriot reviews
(Remasterizado) Un antigua "Diosa" planea se venganza con la ayuda del Bibliotecario, guardián de la Biblioteca, la prisión de los mundo no solo dormidos, sino caídos. El "emisario" de esta "Diosa" provocara la caída de los Portadores dejando solo a 4 de ellos para cumplir el cometido junto con la ayuda de los Sombreros de Paja. ¿Lograran derrotar a la "Diosa" y al Bibliotecario?
Crossover - One Piece & Kingdom Hearts - Rated: T - Spanish - Adventure/Fantasy - Chapters: 9 - Words: 24,071 - Reviews: 11 - Favs: 6 - Follows: 6 - Updated: 9/29 - Published: 6/4/2022
The Pirates' Savior by Jdot.FightMe reviews
The last thing Midoriya remembered was being overwhelmed by a crowd of civilians that were being controlled by the third assassin sent by All for One. But suddenly, he found himself in the middle of a bloody battlefield, surrounded on all sides. Whitebeard had no idea who this new arrival was, but he wasn't going to complain as the stranger defended his son from Akainu.
Crossover - One Piece & My Hero Academia/僕のヒーローアカデミア - Rated: T - English - Angst - Chapters: 26 - Words: 157,145 - Reviews: 142 - Favs: 670 - Follows: 794 - Updated: 9/28 - Published: 7/1/2023 - Luffy, Ace, Whitebeard Pirates, Izuku M.
The Multiversal Plumbers by Eternal4Ever reviews
(Inspired by The Crimson Yinglet stories) After a conflict that caused the Power Stars to be transported to other universes, it is up to Mario, Luigi and his friends to find them. New friends and foes will come, but they all will learn a very important lesson: These plumbers are NOT like the others! Arc 1: One Piece
Crossover - One Piece & Mario - Rated: M - English - Parody/Adventure - Chapters: 20 - Words: 104,980 - Reviews: 33 - Favs: 73 - Follows: 69 - Updated: 9/28 - Published: 10/8/2023 - Mario, Luigi, Strawhat Pirates, Ace
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