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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: 63 - Words: 606,146 - Reviews: 497 - Favs: 381 - Follows: 398 - Updated: 8/5 - Published: 1/9/2019 - Harry P., Ace, Thatch
One Piece: Hashirama's Voyage by Mater4thWall reviews
Held high as the God of Shinobi in the world of Ninjas and Samurais, Hashirama Senju's powers now traverse space & time to reach the world of Pirates and Marines. A young man from Earth, reincarnated into this world, now had this power that can reshape the entire world. With such powers, he reckoned he had a goal to fulfill. SI, Harem, R-18
Crossover - Naruto & One Piece - Rated: M - English - Adventure/Fantasy - Chapters: 110 - Words: 208,071 - Reviews: 278 - Favs: 953 - Follows: 1,107 - Updated: 8/5 - Published: 11/21/2022 - Tsunade S., Hashirama S.
Voyages of the Wild Sea Horse by rewind gone nuts reviews
Becoming a pirate captain in a fantastical world was never in Ranma's life plans. But when magic strands him in the Grand Blue, he has no choice. With an impish wizard as a guide, Ryoga as his navigator, and a crew made of unwanted fiancees (plus Nabiki), Ranma sets out to find the One Piece and return to Nerima!
Crossover - Ranma & One Piece - Rated: T - English - Adventure - Chapters: 31 - Words: 420,369 - Reviews: 637 - Favs: 730 - Follows: 799 - Updated: 8/5 - Published: 10/20/2020 - Ranma, Nabiki, Ryoga, Kodachi
Rise of Hadrian D Pendragon (Book 2) by Merilwen-Vendethiel reviews
(Cross Posted on AO3)(Rated M) It's time for Hadrian to return to Hogwarts only this year he has a chamber and a sociopath to contend with. How bad will this year go that he needs to continually hide from his peers and his guard?
Crossover - Harry Potter & One Piece - Rated: M - English - Chapters: 13 - Words: 17,885 - Reviews: 4 - Favs: 19 - Follows: 20 - Updated: 8/5 - Published: 9/10/2022 - Harry P.
A White Hair of Joy by Tengoku no Kotei reviews
At beginning he was alone. Lost. No memory. Orphan. Growing up in a forest located in the East Blue accompanied by a fox with nine tails, surrounded by gigantic animals that would do anything to devour him, and through it all he never lost that infectious smile. No wonder that fruit kept looking for him. However, the white haired boy would entrust that power to someone else. Nika!
Crossover - Naruto & One Piece - Rated: T - English - Adventure/Fantasy - Chapters: 2 - Words: 5,149 - Reviews: 13 - Favs: 133 - Follows: 141 - Updated: 8/5 - Published: 3/24 - Naruto U., Kyuubi/Kurama, Joy Boy, Luffy
From Wizards to Pirates by Jwacs reviews
When the last word of a story is written, where do you go from there? Natsu wanted Adventure, Lucy wanted inspiration for her new novel. The two Fairy Tail Wizards set out on a journey, a world away. They had no idea that becoming pirates on a journey to search for a Legendary Treasure would be so thrilling. Here's to a new Adventure for the duo.
Crossover - One Piece & Fairy Tail - Rated: M - English - Adventure/Humor - Chapters: 1 - Words: 3,096 - Reviews: 4 - Favs: 7 - Follows: 8 - Published: 8/4 - Happy, Lucy H., Natsu D.
Vampire King of the Straw Hat Pirates by Shadow Joestar reviews
Vladi D. Gasper escaped from the destruction of his homeland alng with his fateful friend Shirone and were set out to sea in order to find one special zoan-type Devil Fruit to get stronger, they stumble upon an old ship with a humming skeleton named Brook and soon the three boarded a pirate ship of Straw Hat Luffy to begin their new pirating adventure! Gasper X Harem. Pirate Fun!
Crossover - One Piece & High School DxD/ハイスクールD×D - Rated: M - English - Adventure/Supernatural - Chapters: 14 - Words: 42,178 - Reviews: 51 - Favs: 130 - Follows: 131 - Updated: 8/4 - Published: 12/25/2022 - [V. Gasper, T. Koneko, Shirahoshi, Ulti]
God of One : Ascension by crosschroniqueur
La folie ronge le pauvre "fantôme des mers". En effet, Ace ne trouve aucun moyen de pouvoir se venger de son ancien maitre, Arès. Alors qu'il allait perdre espoir, un invité des plus surprenant va lui ouvrir la voie pour la liberté. Est ce que notre héros arrivera-t-il à avoir cette chance ou bien ceux qui rodent dans l'ombre l'attraperont? Ca, seul l'avenir nous le dira.
Crossover - One Piece & God of War - Rated: M - French - Adventure - Chapters: 18 - Words: 45,136 - Favs: 1 - Follows: 1 - Updated: 8/4 - Published: 6/1/2022 - Ace - Complete
Void Millennium II: Lost World by Sun Dancer 0880 reviews
All Might decides to take advantage of the arrival of an unknown pirate crew from the past to make a voyage to the ruins of the Red Line. Simultaneously, the heroes engaged learnt of his plans and decided to bring him back against his will, leaving themselves at the mercy of the wild sea, forcing them to cooperate with the pirates and discovering along the way... A lost world.
Crossover - One Piece & My Hero Academia/僕のヒーローアカデミア - Rated: T - English - Friendship/Adventure - Chapters: 5 - Words: 35,740 - Reviews: 2 - Favs: 9 - Follows: 10 - Updated: 8/3 - Published: 7/21 - Luffy, Strawhat Pirates, Toshinori Y./All Might, 1-A Students
The Tenth Red Scabbard by PrimusPilus reviews
During the Fall of Beacon, Jaune sacrifices his life on Beacon Tower and through a twist of Fate he ends up in Wano, serving Kozuki Oden after he saves his life. After Oden's death, Jaune is sent twenty years into the future and through another twist of Fate ends up back on Remnant. Now Jaune journeys through his old world with the intention of going back to Wano to avenge Oden!
Crossover - RWBY & One Piece - Rated: T - English - Adventure/Fantasy - Chapters: 36 - Words: 141,339 - Reviews: 439 - Favs: 816 - Follows: 964 - Updated: 8/3 - Published: 11/15/2021 - Jaune A., Kin'emon
Luffy is lost in the MHA world, but gets taken in by Momo's dad Omake by benedictloe reviews
an Omake story
Crossover - One Piece & My Hero Academia/僕のヒーローアカデミア - Rated: K - English - Humor/Friendship - Chapters: 9 - Words: 2,897 - Reviews: 9 - Favs: 24 - Follows: 40 - Updated: 8/3 - Published: 4/2
Undaunted by TheExtramundane reviews
Strelitzia D. Potter formerly Harry James Potter secludes herself in the Chamber of Secrets and downs a vile of ‘Draught of Living Death’, hoping never to wake again. If she could not die, then she chose not to wake. As she slumbers, the world around her changes.
Crossover - One Piece & Harry Potter - Rated: T - English - Family/Adventure - Chapters: 1 - Words: 1,823 - Reviews: 2 - Favs: 21 - Follows: 27 - Published: 8/3
In The Wizard World by TheIntrovertRin reviews
Ace, Sabo and Luffy are reincarnated after their deaths in a Magical World of Wizards and Witches.
Crossover - Harry Potter & One Piece - Rated: K+ - English - Adventure/Family - Chapters: 4 - Words: 24,180 - Reviews: 11 - Favs: 35 - Follows: 36 - Updated: 8/3 - Published: 7/12 - Luffy, Ace, Sabo
The Land of the Samurai by SilverXSilver reviews
There was a time when our country was called by that name. Those dream-filled blue skies are now filled with smog from weapon factories. The towns where the samurai once proudly walked are now filled with swaggering, arrogant pirates. We were stripped of our swords, our status, our honor and everything else. However, the samurai spirit is still alive here. This is our final battle.
Crossover - One Piece & Gintama - Rated: T - English - Humor/Adventure - Chapters: 3 - Words: 12,495 - Reviews: 4 - Favs: 12 - Follows: 9 - Updated: 8/2 - Published: 7/17 - Strawhat Pirates, Momonosuke, Yorozuya Gin-chan
Devils of the Caribbean I: Scoundrels of the Sea by KingVessel reviews
Also Known As The Time in Which One Piece aspects got added to the storyline.
Crossover - One Piece & Pirates of the Caribbean - Rated: M - English - Adventure/Fantasy - Chapters: 2 - Words: 6,511 - Reviews: 10 - Favs: 25 - Follows: 31 - Updated: 8/2 - Published: 4/10 - Will T., Elizabeth S., Capt. Jack Sparrow
One piece the Movie by God of Creativity reviews
Jump into the fun as Straw-Hat Pirates Luffy and Zoro travel to a new world to stop an evil Warlord from taking over the world
Crossover - One Piece & Mario - Rated: T - English - Adventure/Romance - Chapters: 13 - Words: 88,477 - Reviews: 5 - Favs: 9 - Follows: 9 - Updated: 8/2 - Published: 4/30 - Luffy, Zoro, Peach, DK
Growth through Chaos by Animephilosopher1 reviews
As they return from the Land of Waves, Team 7 fall into somewhere far more chaotic and divided than the Ninja World. Follow Naruto, Sakura, Sasuke and Kakashi, after they find themselves in the World of the One Piece. Growing through a Special brand of Chaos across trials, battles, training and more as members of the Straw Hat Pirates on the Grand Line.(LuffyxNami, Kakashi x Robin)
Crossover - Naruto & One Piece - Rated: T - English - Adventure/Friendship - Chapters: 23 - Words: 255,024 - Reviews: 687 - Favs: 970 - Follows: 1,041 - Updated: 8/2 - Published: 11/3/2018
Crimson sky's and Hallow Tears by AngelFallenDemon reviews
Naruto is one of triplets that is trying to escape the shadows of his late siblings and the expectations of his mother. Luffy and Crew are sailing to the Town of the Beginning and the End when they see someone standing in the middle of the sea. What insanity will they get into. Pairings are not set just yet.
Crossover - Naruto & One Piece - Rated: M - English - Humor/Adventure - Chapters: 12 - Words: 30,687 - Reviews: 68 - Favs: 282 - Follows: 278 - Updated: 8/1 - Published: 8/4/2020
The Strawhats from Remnants by La Beneamatta reviews
"Dream, Fate, and Destiny... As long as people are fighting for that there will always be an adventure. These unstoppable ideals are held deep in the heart of man. These things shall not vanish from the earth." One night, RWBY goes on a dream adventure on the high seas with the Straw Hat crew. When they come back, they will try at nothing to return to that dream.
Crossover - One Piece & RWBY - Rated: T - English - Adventure/Humor - Chapters: 6 - Words: 36,897 - Reviews: 89 - Favs: 163 - Follows: 174 - Updated: 8/1 - Published: 2/20/2022 - Luffy, Zoro, Nami, Team RWBY
Unexpected Soul Faring Voyage by Ampharti reviews
With rekindled powers and a new adventure afoot, Ichigo, Orihime and Chad along with the tag-along Yoruichi, set forth into a new world of piracy. With a ship and a wide world to explore, what mischief could they get into? The world that they find themselves in is full of the unexpected as they set sail to discover what adventure it has to offer.
Crossover - One Piece & Bleach - Rated: M - English - Adventure/Humor - Chapters: 1 - Words: 11,480 - Reviews: 8 - Favs: 28 - Follows: 42 - Published: 8/1 - Ichigo K., Orihime I., Chad/Y. Sado, Yoruichi S.
It's Not A Devil Fruit! by Aliahra reviews
Waking up on a deserted beach with six voices in my head can't be a good thing. I don't know if it became worse when I realised I am in the world of One Piece and those voices are from my old Pokémon Platinum game. Well, at least I'm not defenceless. Turning into a Pokémon is really cool!
Crossover - Pokémon & One Piece - Rated: T - English - Adventure/Family - Chapters: 15 - Words: 92,474 - Reviews: 97 - Favs: 350 - Follows: 431 - Updated: 8/1 - Published: 6/11/2017 - Giratina, Torterra/Dodaitose, Strawhat Pirates
Gathering Memories by Fiobri reviews
The kid was blonde, a pariah and outcast, loved the color orange, claimed to be a ninja, and had three whisker marks on each cheek. History of his past repeats itself on the island he landed on with no memory and the lost child would love nothing more than to find acceptance and his real home. Fortunately for him, there's a straw hat boy heading his way.
Crossover - Naruto & One Piece - Rated: T - English - Friendship/Adventure - Chapters: 9 - Words: 42,721 - Reviews: 91 - Favs: 389 - Follows: 446 - Updated: 8/1 - Published: 8/24/2020 - Naruto U., Luffy
The Butterfly Effect by Mayura0Karin reviews
In a second, the ninja world disappeared, discovering that it was just another island within the new world. Alone and devastated, in a world where her existence could be a danger to the world order, Sakura let herself go, waiting for her death until fate led her to certain pirates who gave her hope and a reason to live. Sakura embarks on a journey in a new world.
Crossover - Naruto & One Piece - Rated: M - English - Adventure/Romance - Chapters: 4 - Words: 18,312 - Reviews: 7 - Favs: 9 - Follows: 12 - Updated: 7/31 - Published: 7/30 - [Sakura H., Ace] Luffy
Pokepiece by Unblossomed
The grand blue is a vast place, it's 5 (or 6 or 7 depending on how you count them) oceans holding a vast variety of peoples and creatures, not to mention devil fruits. In any other world, the sudden appearance of super powered animals from another world would cause a huge stir, but not here. at least, not until they meet the right people, and those people make a stir themselves.
Crossover - Pokémon & One Piece - Rated: K+ - English - Humor/Adventure - Chapters: 1 - Words: 3,509 - Favs: 4 - Follows: 2 - Published: 7/31 - Rayquaza, Entei, Strawhat Pirates
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: 8 - Words: 13,248 - Reviews: 36 - Favs: 122 - Follows: 133 - Updated: 7/31 - Published: 3/3 - Mew, Luffy
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