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OP: Turtle Hermit by reginald D. Uchiha reviews
Waking up in a alley with no memories a boy is forced to face a world where he must be the strongest, this is his journey of power.
Crossover - One Piece & Dragon Ball Super - Rated: M - English - Adventure/Fantasy - Chapters: 1 - Words: 2,150 - Reviews: 2 - Follows: 1 - Published: 7/8
Rebirth of the Flames by xXYamchaXx reviews
In a world where heroes with extraordinary powers protect society, a young man named Ace, with the mysterious ability to control fire, finds himself thrust into the ranks of heroes-in-training at UA Academy. Struggling with amnesia about his past life, Ace forms friendships with fellow students, including Itsuka, Mirio, and Nejire, as they navigate training, classes, and life.
Crossover - One Piece & My Hero Academia/僕のヒーローアカデミア - Rated: T - English - Adventure/Drama - Chapters: 6 - Words: 14,652 - Reviews: 24 - Favs: 52 - Follows: 58 - Updated: 17h - Published: 8/12/2023 - [Ace, Itsuka K.]
Tienda Dimensional by GOATXXI
Despertaste en otro mundo con una tienda dimensional con la capacidad de visitar otros mundos. '¡¿QUÉ HACE UN SACRED GEAR AQUÍ'
Crossover - One Piece & High School DxD/ハイスクールD×D - Rated: M - Spanish - Adventure/Fantasy - Chapters: 4 - Words: 6,313 - Favs: 1 - Follows: 2 - Published: 17h - Robin, Miss Valentine, A. Asia, Raynare
A Bigger World by Denied love494 reviews
22 years after the death of Gol D. Roger, a young boy named Monkey D. Luffy has set out to be the pirate king, and find the land of Raftel! On his quest to find the seven pieces of the map to Raftel, he'll gather plenty of crew members, fight many enemies, and have a lot of fun! Note: This is a crossover of multiple other franchises aside from OP and FT, as listed in chapter 1.
Crossover - One Piece & Fairy Tail - Rated: T - English - Adventure/Humor - Chapters: 3 - Words: 15,804 - Reviews: 18 - Favs: 23 - Follows: 30 - Updated: 18h - Published: 6/9/2021 - Luffy, Lucy H., Natsu D.
Heroes vs Dioses (Multicrossover) by Donovan Master 55
Existen muchos universos a lo largo de la existencia de todas las realidades. En uno de ellos los Dioses y sus eternos enemigos, los magus, ha comenzado una guerra por el derecho de la existencia de la humanidad. Una guerra que los magus no estaban dispuestos a perder. Y para asegurar su victoria contra los dioses, estaban dispuesto a reclutar a 12 guerreros de otros mundos.
Crossover - One Piece & My Hero Academia/僕のヒーローアカデミア - Rated: T - Spanish - Fantasy/Adventure - Chapters: 12 - Words: 47,786 - Favs: 2 - Follows: 3 - Updated: 19h - Published: 7/26 - Luffy, Toshinori Y./All Might
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: 26 - Words: 100,071 - Reviews: 217 - Favs: 636 - Follows: 803 - Updated: 6/30 - Published: 10/25/2022 - Sakura H., Luffy, Zoro, 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: 12 - Words: 57,694 - Reviews: 111 - Favs: 486 - Follows: 544 - Updated: 23h - Published: 8/24/2020 - Naruto U., 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: 25 - Words: 125,153 - Reviews: 90 - Favs: 320 - Follows: 408 - Updated: 7/30 - Published: 12/20/2022 - Tanya, Visha
An Unusual Student by solwolf
Senior Auror Beckman has been hired to find out why Headmaster Rayleigh cannot find accurate records for a first year, Jewely Bonney. Enlisting help from the DADA Professor, Shanks, and the schools newest ghost, Ace, Beck must find out why Bonney's records are inaccurate, or who she really is.
Crossover - Harry Potter & One Piece - Rated: K+ - English - Mystery - Chapters: 3 - Words: 7,612 - Published: 7/30 - Shanks, Benn Beckman, J. Bonney, Ace
Marshall D Luz by TexMex Life reviews
Luz is the new blackbeard
Crossover - Owl House & One Piece - Rated: T - English - Fantasy - Chapters: 3 - Words: 1,095 - Reviews: 3 - Favs: 4 - Follows: 4 - Updated: 7/30 - Published: 7/5 - Luz N., OC
Immoral Acidemia by LDG135
suddenly waking in a young Izuku midorias body and discovering that he has the powers of marco the phoenix how will he survive in this new world
Crossover - One Piece & My Hero Academia/僕のヒーローアカデミア - Rated: T - English - Romance - Chapters: 2 - Words: 4,188 - Favs: 5 - Follows: 4 - Updated: 7/30 - Published: 7/28
The Iron Blood Pirates by Kfbanime87 reviews
join Naruto as he gathers his own pirate crew to sail the seas, piss off the government, and get into wild adventures. screwball fic
Crossover - Naruto & One Piece - Rated: M - English - Adventure/Humor - Chapters: 8 - Words: 71,725 - Reviews: 319 - Favs: 895 - Follows: 930 - Updated: 7/28 - Published: 1/17/2023 - Naruto U.
The Fairy Pirates by leonardo18anime reviews
After the events of Skypiea, the Straw Hats come across a mysterious figure that directs them into an island with a weird symbol. There they meet a bunch of people that are from a new world. A world is full of magic, friendships, and guilds. Now while they are stuck in these worlds is up to Fairy Tail to sail together with the Straw-Hat crew in the hope to find their way home.
Crossover - One Piece & Fairy Tail - Rated: T - English - Adventure/Fantasy - Chapters: 35 - Words: 127,911 - Reviews: 428 - Favs: 662 - Follows: 684 - Updated: 7/28 - Published: 3/19/2020 - Luffy, Nami, Lucy H., Natsu D.
Justice for the land of the Samurai by leonardo18anime reviews
After escaping from the Big Mom pirates,the Sanji rescue team end up crossing some mysterious fog where they are teleported to the DC Universe. Now Luffy and the crew have to try make an alliance with the Justice League in order to help the situation at Wano and defeat Kaifo once and for all.
Crossover - DC Superheroes & One Piece - Rated: T - English - Humor/Adventure - Chapters: 46 - Words: 194,584 - Reviews: 358 - Favs: 415 - Follows: 407 - Updated: 7/28 - Published: 1/11/2020 - Luffy, C. Kent/Kal-El/Superman, B. Wayne/Batman, Princess Diana/Wonder Woman
Looking for the Seven Deadly Sins by leonardo18anime reviews
After the Great War of Wano, the Straw Hats are ready to set sail towards Elbaf. However, in the sky the Supreme Deity thinks that the pirates are the perfect group to save her world from the Demon King army. While there the crew meets a person called Meliodas, a princess named Elizabeth, and a pig. There they will help find the Seven Deadly Sins and fight demons!
Crossover - One Piece & Seven Deadly Sins/七つの大罪 - Rated: T - English - Fantasy/Friendship - Chapters: 6 - Words: 11,041 - Reviews: 38 - Favs: 137 - Follows: 149 - Updated: 7/28 - Published: 9/5/2021 - Luffy, Zoro, Meliodas, Elizabeth L.
Straw Hats in the Ultimate Universe by leonardo18anime reviews
After Wano the Straw Hats go to an island that just happens to be the gateway to a new Universe. The New Universe is Earth 1610 also knows as the Ultimate universe where Super Heroes are starting to become a reality. The crew interacts with The Ultimates, The Fantastic Four, Spider-Man, The X-men all the new superheroes while trying to fit in.
Crossover - Ultimate Marvel & One Piece - Rated: T - English - Adventure/Hurt/Comfort - Chapters: 7 - Words: 9,956 - Reviews: 29 - Favs: 75 - Follows: 92 - Updated: 7/28 - Published: 7/3/2021 - Luffy, Zoro, Robin, Carrot
Luffy 10 by leonardo18anime reviews
The Life for the Straw Hats got even more weirder. After getting a new crewmember that is a literal skeleton they stopped at an island to rest, Luffy wanders off and sees a Star falling from the sky. The Star turned into a weird thing from space with a weird watch, the thing latches towards his arm and now Straw Hat Luffy is the wielder of a great weapon.
Crossover - One Piece & Ben 10 - Rated: T - English - Adventure/Sci-Fi - Chapters: 3 - Words: 5,881 - Reviews: 31 - Favs: 102 - Follows: 105 - Updated: 7/28 - Published: 8/6/2023 - Luffy, Zoro, Kevin, Vilgax
Luffy of Maken Ki! by leonardo18anime reviews
AU. Monkey D. Luffy started his life as a high schooler. He enrolled at Tenbi Academy and he will discover just how special this school really with magical powers known as Elements and weapons the students used called Maken. He will learn about his past while in school and discover the reason behind his mother disappearance, but also gaining a harem. Lemon. Harem. School AU.
Crossover - One Piece & Maken-Ki!/マケン姫っ! - Rated: M - English - Adventure/Romance - Chapters: 3 - Words: 4,968 - Reviews: 10 - Favs: 65 - Follows: 76 - Updated: 7/28 - Published: 7/9/2023 - [Luffy, Uta, Haruko A., Nami]
Straw Hats Vigilantes by leonardo18anime reviews
After sailing for some new waters around the New World, the Straw Hats pirates find themselves stuck in a new modern world full of technology and super power individuals all calling themselves heroes .Now while stuck they have to do some things not heroics to get back to their world.
Crossover - One Piece & My Hero Academia/僕のヒーローアカデミア - Rated: T - English - Friendship/Adventure - Chapters: 102 - Words: 320,587 - Reviews: 1247 - Favs: 1,557 - Follows: 1,609 - Updated: 7/28 - Published: 7/12/2019 - Luffy, Strawhat Pirates, Izuku M., 1-A Students
Straw Hats DXD2 by leonardo18anime reviews
Upon arriving on an island Luffy is sent to a new world where there are creatures called Demons, Angels, and Fallen Angels. While there he meets a girl named Rias and joins her club. Now Luffy needs to find a way home while making new friends and maybe find the way to some girl's hearts. Luffy x Harem. Future Lemons. A bit OOC Luffy
Crossover - One Piece & High School DxD/ハイスクールD×D - Rated: M - English - Supernatural/Friendship - Chapters: 60 - Words: 206,088 - Reviews: 560 - Favs: 686 - Follows: 732 - Updated: 7/28 - Published: 9/4/2022 - [Luffy, H. Akeno, Rias G.] H. Issei
Remnant's Scarecrow Of Fortune by SeaRoar reviews
The infamous magician, a man regarded as a member of the worst generation, is brought to his knees by a glittering admiral and daunting warlord. Is this the end of Basil Hawkins? Waking in a sea shrouded with fog, Hawkins is coerced by the words of Faust, to take up the mantle of parenthood. But is a family really what the magician needs? Only time will tell.
Crossover - One Piece & RWBY - Rated: M - English - Adventure/Romance - Chapters: 92 - Words: 373,283 - Reviews: 190 - Favs: 244 - Follows: 275 - Updated: 7/28 - Published: 5/1/2021 - B. Hawkins, Jaune A., Emerald S.
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: 41 - Words: 65,177 - Reviews: 15 - Favs: 118 - Follows: 139 - Updated: 7/28 - Published: 5/21 - Zoro
The Reincarnator's Tavern by GnomeBob reviews
Many of the best Adventures start at a Tavern. This Tavern is a bit more special. Star Wars, Hunter X Hunter, One Piece, Dragon Ball, Harry Potter, Naruto, and Marvel Cinematic Universe Crossover. Gaming without the levels, training according the Power System of the World. Contains elements of Jumpchains. No Harem. Romance later. Only one Main Character, try three chapters.
Crossover - Star Wars & One Piece - Rated: T - English - Fantasy/Sci-Fi - Chapters: 76 - Words: 416,234 - Reviews: 2586 - Favs: 2,201 - Follows: 2,476 - Updated: 7/28 - Published: 10/28/2022
Unwavering Will in the Sea by dafid1 reviews
What if Frisk from Undertale went to the world of One Piece? See what happens as Frisk goes on a new adventure!
Crossover - One Piece & Undertale - Rated: K+ - English - Adventure/Friendship - Chapters: 90 - Words: 159,247 - Reviews: 93 - Favs: 307 - Follows: 316 - Updated: 7/28 - Published: 11/28/2020 - Luffy, Frisk
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: 18 - Words: 87,312 - Reviews: 27 - Favs: 62 - Follows: 59 - Updated: 7/28 - Published: 10/8/2023 - Mario, Luigi, Strawhat Pirates, Ace
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