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Mass Fusion Theory by Zialema reviews
La guerre ne change jamais. Ni ne s'efface. Quoiqu'on fasse, elle restera là, en dépit des désirs de certains et des actes de d'autres. Les actes, petits ou grands, ont tous leurs conséquences. Parfois merveilleuses, parfois dramatiques. Et ce n'est pas des bombes atomiques ou un scientifique de génie qui changeront la nature humaine.
Crossover - Fallout & One Piece - Rated: M - French - Adventure - Chapters: 16 - Words: 131,738 - Reviews: 14 - Favs: 13 - Follows: 14 - Updated: 8m - Published: 3/30/2024 - Sole Survivor, Ace
Inventory of The Famous Scene: Starting From Emiya*Currently Revising* by Icedrone24 reviews
The name Projection of All Worlds website that appeared in each world has been around for a while. One day, Jiang Xia comes to a so-called universal projection website invitation, just register to send the manuscript and there will be a reward... So, one after another, the famous scene began to show its light. *Currently Revising*
Crossover - Fate/stay night & One Piece - Rated: T - English - Fantasy/Parody - Chapters: 21 - Words: 24,126 - Reviews: 17 - Favs: 72 - Follows: 68 - Updated: 52m - Published: 12/7/2024
L'Héritier de l'Underground by Zialema reviews
"C'est avec de l'argent sale qu'on construit des hôpitaux". Comment ne pas accorder de crédit aux bienfaits du crime quand les lois s'obstinent à vouloir briser une famille qui n'a rien demandé à personne, sinon une seconde chance ?(fem!Ace NoHorcruxe!Harry- !Dumby/Ron/Ginny/Molly Bashing)
Crossover - Harry Potter & One Piece - Rated: T - French - Crime/Family - Chapters: 83 - Words: 788,119 - Reviews: 613 - Favs: 439 - Follows: 441 - Updated: 1h - Published: 1/9/2019 - Harry P., Ace, Thatch
The sand reincarnated by gaaraiu111
When Shukaku the ichibi was sealed inside the gedo statue, Gaara died, and in a far away dimension Portgas D Ace was born.
Crossover - One Piece & Naruto - Rated: T - English - Hurt/Comfort - Chapters: 1 - Words: 2,660 - Published: 4h - Gaara, Ace
Shiniboi X Strawhats by NaruSaku and SoKai fan in KY reviews
Naruto and Sakura were on a mission to find the missing scroll. It is at a mysterious River. It led them to an incredible world filled with Pirates. One in particular... a rubber man one.
Crossover - Naruto & One Piece - Rated: T - English - Adventure/Romance - Chapters: 27 - Words: 129,406 - Reviews: 113 - Favs: 125 - Follows: 118 - Updated: 5h - Published: 1/14/2024 - [Naruto U., Sakura H.] [Luffy, Nami]
The Pirate Trainer by Nyxst4r reviews
The Grand Line was the most dangerous and mysterious sea in the world. But the East Blue held a secret. One that most thought was just a legend, and few knew to be true. Until one day a person chose to embark on the journey of their life
Crossover - Pokémon & One Piece - Rated: T - English - Adventure - Chapters: 14 - Words: 77,561 - Reviews: 37 - Favs: 69 - Follows: 78 - Updated: 7h - Published: 11/26/2023 - Ash K./Satoshi, Pikachu, Luffy
Systemic Worlds by Kuroganne reviews
Charlie, an ordinary man, is thrust into the multiverse with a daunting new role—System Administrator. Tasked with spreading the reach of a powerful System, he must carefully navigate each world, confronting perils beyond his wildest imagination. His first destination? The dangerous seas of the One Piece world, where pirates reign supreme, and survival demands strategy, cunning, a
Crossover - Anime X-overs & One Piece - Rated: K - English - Adventure/Fantasy - Chapters: 12 - Words: 59,023 - Reviews: 2 - Published: 15h - OC, Zoro, Nami, Smoker
Basilisk ninjas in world of One Piece by jamiemartin10 reviews
Made by the AI of yeschat some short stories I made with the AI of the ninjas from the first series of Basilisk doing stuff in a world of One Piece and meeting the people there . No explanation how they got there but they're doing that instead of Team Deathmatch it definitely understood the people in one piece that better than Basilisk . But I found them entertaining enough so
Crossover - One Piece & Basilisk - Rated: T - English - Humor/Friendship - Chapters: 1 - Words: 9,546 - Reviews: 2 - Published: 15h - Complete
KING OF THE CURSES OR PIRATES? ONE PIECE X JUJUTSU KAISEN by TECH KILL LORD reviews
HAVE YOU EVER THOUGHT, WHAT IF SUKUNA WAS LUFFY VESSEL INSTEAD OF YUJI? THEN READ MY FANFICTION ABOUT SUKUNA BEING IN ONE PIECE INSTEAD OF JUJUTSU KAISEN AND LUFFY FINDS ONE OF HIS FINGER'S AND EATS ITS. WHAT WILL HAPPEN? WILL LUFFY'S BODY BE TAKEN OVER? WILL SUKUNA CONQUER THE WORLD WITH ITS EVIL METHODS? THEN READ TO FIND OUT.
Crossover - One Piece & Jujutsu Kaisen/呪術廻戦 - Rated: T - English - Adventure/Fantasy - Chapters: 4 - Words: 4,136 - Reviews: 3 - Favs: 2 - Follows: 3 - Updated: 16h - Published: 1/31 - Luffy, Zoro, Sukuna R., Sanji
An Aura of Freedom by DolphinLover420 reviews
The Straw Hat Pirates come across a mysterious island in the Grand Line which has been isolated from the rest of the world. There, they meet a young man who calls himself a 'Pokemon Trainer', and throw themselves headfirst into a world-changing new Pokemon adventure.
Crossover - Pokémon & One Piece - Rated: T - English - Adventure/Friendship - Chapters: 27 - Words: 252,897 - Reviews: 29 - Favs: 116 - Follows: 129 - Updated: 2/7 - Published: 9/19/2023 - Luffy, Zoro, Vivi, OC
Straw Hat Izuku by ChristianBR reviews
During an attack from the LOV a group did a sneak attack on Izuku. When Izuku was attacked and disappeared from that earth. About a month later he returned. But for Izuku it was longer. Join Class 1-A and Izuku's friends as they discover how Izuku has changed. (MHA X One Piece X Seven Deadly Sins)
Crossover - One Piece & My Hero Academia/僕のヒーローアカデミア - Rated: M - English - Supernatural - Chapters: 8 - Words: 30,940 - Reviews: 18 - Favs: 66 - Follows: 69 - Updated: 2/7 - Published: 12/13/2024 - [Robin, Izuku M., Nejire Hado] Strawhat Pirates
One Piece: A Demon's treasure by PaulyThide reviews
The last day of Yggdrasil came, but it wasn't the end of it. Stranded on an island, the Guildmaster of Ainz Ooal Gown would learn the truth of the world she now found herself in. And when she does, new allies and enemies will be forged. But to her, her search for a home has only begun. (Fem/ Momonga) (OC)
Crossover - One Piece & Overlord/オーバーロード - Rated: M - English - Adventure - Chapters: 15 - Words: 85,105 - Reviews: 349 - Favs: 1,162 - Follows: 1,285 - Updated: 2/7 - Published: 1/2/2023 - OC
One Piece X Solo Leveling by MoeJoeX reviews
What If Sung Jin Woo Woke Up In The One Piece World?
Crossover - One Piece & Manhwa/Korean Comics/만화 - Rated: M - English - Adventure/Friendship - Chapters: 9 - Words: 10,304 - Reviews: 8 - Favs: 26 - Follows: 25 - Updated: 2/7 - Published: 1/14 - Solo Leveling/나 혼자만 레벨업
Dead Men Walking the Seas by Winem reviews
What's a couple of "dead" men to do with their second chance but turn the world on its head?
Crossover - Naruto & One Piece - Rated: T - English - Hurt/Comfort/Adventure - Chapters: 6 - Words: 19,812 - Reviews: 8 - Favs: 11 - Follows: 15 - Updated: 2/7 - Published: 1/18 - Shisui U., Obito U.
Devil's Dreamers by Mrotrax reviews
"Destiny. Fate. Dreams. So long as people cling onto these words? They shall not vanish." A new age of heroism begins when two children are lost at sea and wash ashore, befriending others like them and moving the change the world no matter what. Rated for Bakugo language. TVTROPES page underedo! FINAL REVISONS DONE!
Crossover - One Piece & My Hero Academia/僕のヒーローアカデミア - Rated: M - English - Chapters: 40 - Words: 160,068 - Reviews: 39 - Favs: 122 - Follows: 102 - Updated: 2/6 - Published: 2/5/2024
Shinobi On Board by LoneWolf-O1 reviews
After being transported to a world where Marines and Pirates fight on the sea, Naruto joins the adventures of the Straw Hat Pirates. Let's see what he gets up to. Rated M to be safe. Naruto/Harem. NOW IN WANO! Slow updates to let the anime/manga update
Crossover - Naruto & One Piece - Rated: M - English - Adventure - Chapters: 73 - Words: 450,318 - Reviews: 951 - Favs: 2,694 - Follows: 2,739 - Updated: 2/6 - Published: 11/21/2015 - [Naruto U., Nami, Robin, Gina]
Naruto On Board by LoneWolf-O1 reviews
What happens when Naruto joins the Straw Hat Crew? Read and find out. Story starts at the Arlong arc. Rated M to be safe. Naruto/Harem. In the process of being Beta'd. NOW IN WANO, so slow updates to let Anime/Manga update.
Crossover - Naruto & One Piece - Rated: M - English - Adventure - Chapters: 106 - Words: 537,250 - Reviews: 1554 - Favs: 3,699 - Follows: 3,429 - Updated: 2/6 - Published: 6/1/2013 - [Naruto U., Nojiko, Nami, 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: 12 - Words: 32,793 - Reviews: 49 - Favs: 158 - Follows: 176 - Updated: 2/6 - Published: 8/3/2024 - Naruto U., Gol D. Roger, S. Rayleigh
The Lunarian by All watch reviews
Kaido gave Crow two choices: join the Beast Pirates and create an unstoppable army for him, or die, and he'll give his family a fate worse than death. Having no other choice, he joins but promises he'll make the Strongest Creature in the world pay. (Massive crossover, powerful mc, large harem, and other surprises.)
Crossover - One Piece & Cross Over/クロスオーバー - Rated: M - English - Adventure/Romance - Chapters: 45 - Words: 112,934 - Reviews: 14 - Favs: 159 - Follows: 172 - Updated: 2/6 - Published: 9/29/2023 - OC, Yamato, Uta, Ulti
The Fang of the Sea by KaiserNova reviews
What is a dream?. An ambition ,a desire , something that wakes you. A passion that burns your soul and lift you to fight another day . However what if a dream destroy you, become a burden. What are you going to do... Well find a new way to accomplish it. Devil fruit/Strong Naruto. Probably Harem
Crossover - Naruto & One Piece - Rated: T - English - Drama/Adventure - Chapters: 1 - Words: 4,274 - Reviews: 14 - Favs: 35 - Follows: 40 - Published: 2/5
Kill One Hero by ShockingShoes reviews
During childhood, Izuku Midoriya and Monkey D. Luffy became friends, and when Izuku begins to train his quirk, One for All, Luffy arrives yet again, showing Izuku just how different the Grand Line is from Japan. This story is a crossover between One Piece, My Hero Academia, and Kill La Kill (though the Kill La Kill elements aren't as prominent, unfortunately). Updates erratically.
Crossover - One Piece & My Hero Academia/僕のヒーローアカデミア - Rated: T - English - Adventure - Chapters: 25 - Words: 147,180 - Reviews: 24 - Favs: 48 - Follows: 54 - Updated: 2/5 - Published: 10/20/2024 - Luffy, Chopper, Izuku M.
Toshineko and the Council of Evil Masterminds by shinnjacob reviews
Inspired by the YouTube series, "Palpatine and the Council of Villains", I've decided to create my own series featuring my OC, Toshineko Hirozaki and his agents, conversing with mastermind villains from all over the multiverse
Crossover - Pokémon & One Piece - Rated: M - English - Parody/Humor - Chapters: 6 - Words: 21,768 - Reviews: 2 - Follows: 1 - Updated: 2/5 - Published: 1/2 - Crocodile
Bits of Who I Am by The Samurai Prince reviews
Goma is a special kid...maybe a little TOO special. When he was little, he wanted to be a pirate king, much to the confusion of his older brother and father. However, he wanted to help people, so he wanted to try and become a Hero, and go to the school his brother went to, UA. However, he sometimes feels like something is taking over his body...but he's still him. MHA/OP Xover-ish.
Crossover - One Piece & My Hero Academia/僕のヒーローアカデミア - Rated: T - English - Adventure/Humor - Chapters: 6 - Words: 28,455 - Reviews: 40 - Favs: 150 - Follows: 198 - Updated: 2/5 - Published: 9/28/2023 - [Luffy, Momo Y.] Izuku M., Taishiro T./Fat Gum
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