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Celestial Beast of Tech by king carlos reviews
I was sent to the One Piece world, great. Ended up in an island in the middle of nowhere for a year without any human contact, terrible. Have a somewhat unique Celestial Forge, Great. Kaido decided to jump from a sky island right on top of the island and now wants me to join his crew... interesting. (Celestial Forge, Harem, gray-MC, OP)
Crossover - X-overs & One Piece - Rated: M - English - Chapters: 8 - Words: 34,086 - Reviews: 159 - Favs: 705 - Follows: 822 - Updated: 54m - Published: 8/20 - Kaidou, OC, Ulti
Piracy Of The Last Jinchuriki by R8handman reviews
Black Zetsu refused that his work all these centuries was for nothing and decided to destroy the shinobi world he influenced, and in doing so Naruto found himself in a Land eerily familiar to his home. Finding this Land is troubled and wanting a place to belong. Naruto decides to use the ruins of his past to help this country. His future is unknown in this pirates infested world.
Crossover - Naruto & One Piece - Rated: M - English - Friendship/Adventure - Chapters: 11 - Words: 139,527 - Reviews: 438 - Favs: 1,285 - Follows: 1,481 - Updated: 2h - Published: 10/9/2021 - [Naruto U., Yamato]
Storm by Shmdha reviews
Izuku Midoriya finds himself in a sticky situation, attempting to fight off bullies that had bothered both him and others for years. Suddenly, after a brutal attack that had sent him flying, he was caught. He had arrived. How will Izuku Midoriyas life change when both the former Pirate King and the former Worlds Strongest Man trains him too be his strongest self?
Crossover - One Piece & My Hero Academia/僕のヒーローアカデミア - Rated: K - English - Adventure/Fantasy - Chapters: 4 - Words: 6,880 - Reviews: 7 - Favs: 38 - Follows: 44 - Updated: 9h - Published: 10/22 - Gol D. Roger, Whitebeard, 1-A Students, 1-B Students
The End Is Not The End by kittyface27 reviews
When Ace falls out of the sky with no memory of his past life, he meets a nice family who helps him to get back on his feet. He didn't expect that staying with the Kurosakis would throw him into a crazy other world with shinigamis and huge monsters. But he's definitely along for the ride with his new friends, and people he sees as a new family.
Crossover - One Piece & Bleach - Rated: T - English - Adventure/Supernatural - Chapters: 9 - Words: 48,362 - Reviews: 11 - Favs: 13 - Follows: 18 - Updated: 10h - Published: 9/10 - [Ace, Marco] Ichigo K., Rukia K.
Digital Reincarnation by Sakura Alexia reviews
Her story had to be one of a kind, one that not even the craziest person in existence would ever believe nor tell, it was surreal even for those who still believed in legends and fairytales… and even more for herself. How? Someone would ask. She was dead, or rather she should have been. So then… why was she in a laboratory of some sorts?
Crossover - One Piece & Nier - Rated: T - English - Angst/Family - Chapters: 59 - Words: 203,781 - Reviews: 8 - Favs: 57 - Follows: 57 - Updated: 11h - Published: 12/22/2021 - Robin, 2B, 9S, A2
MY Life In The Multiverse by Bakorio reviews
A young man's life was snatched away from him in his sleep and he ended up transmigrating in a weird world with only an unreliable system to depend on Follow him in his hilarious journey through the difficulties the multiverse has to offer. - Current anime involved: One Piece, Devil is a part-timer, Sakurasou, Tensura (Slime), Beelzebub, Tokyo Ghoul, Assassination classroom.
Crossover - One Piece & Tensei Shitara Slime Datta Ken/転生したらスライムだった件 - Rated: K+ - English - Humor/Adventure - Chapters: 187 - Words: 389,143 - Reviews: 125 - Favs: 390 - Follows: 412 - Updated: 11h - Published: 10/19/2021 - Luffy, Zoro, Rimuru T., Shizue I.
Joy and Justice: A Cry For Freedom by Mextli99 reviews
"Whose voice was that?" Monkey D. Luffy heard someone calling out to him and felt the urge to reach back out yet found it impossible to do so. "Shishishi! Like that'll stop me from helping you." Once again, Luffy and his ties with destiny has dragged himself along with the StrawHat Pirates into a journey crossing the very fabric of reality as two worlds collide. Post Wano Arc*
Crossover - One Piece & Justice League - Rated: T - English - Adventure/Fantasy - Chapters: 1 - Words: 4,090 - Reviews: 1 - Favs: 18 - Follows: 18 - Published: 14h - Luffy, Zoro, Sanji, Diana of Themyscira/Wonder Woman
El Lobo Remnant by Byakono reviews
Jaune Arc, al ser descubierto con sus transacciones falsas, es expulsado de Beacon, sus "amigos" le dieron la espalda a excepción de unos pocos, pero un dios decide que ellos deben saber el potencial que abandonaron, el les mostrara las aventuras que el joven aspirante a héroe llega a tener junto a cierto chico de goma y su tripulación de dementes. Jaunexharem
Crossover - One Piece & RWBY - Rated: M - Spanish - Humor/Romance - Chapters: 18 - Words: 241,547 - Reviews: 41 - Favs: 110 - Follows: 113 - Updated: 17h - Published: 4/27/2020 - unknown 1, Team RWBY, Team JNPR
Akatsuki in the seas by LONELY Driver77 reviews
This story is about what if Naruto brought back the Akatsuki and started exploring the world beyond the continent.
Crossover - Naruto & One Piece - Rated: M - English - Adventure/Humor - Chapters: 3 - Words: 14,972 - Reviews: 5 - Favs: 10 - Follows: 12 - Updated: 20h - Published: 10/6
Darkness of the Sea by Queen Ryuu reviews
FemHarry, Nova Potter is the Twin of the GWL. Given to the Dursleys who turn her into their personal Slave she is later taken to the Blue World by Eris for her happiness and gifted with a special magic.
Crossover - Harry Potter & One Piece - Rated: T - English - Adventure - Chapters: 2 - Words: 2,696 - Reviews: 215 - Favs: 629 - Follows: 776 - Updated: 21h - Published: 1/22/2016 - Harry P.
One Magi: YEFBTL by Sorceric7 reviews
Trials and Tribulation. Every pirate has experienced these things when they sail the Grand Line. Maxwell sailing with Straw-Hat Pirates have had their own fair share of troubles along their journey. Now they're close to half way mark, but that doesn't offer a reprieve. No. This is the beginning of a long, long night.
Crossover - One Piece & Dragon Age - Rated: T - English - Adventure/Fantasy - Chapters: 25 - Words: 108,088 - Reviews: 37 - Favs: 41 - Follows: 50 - Updated: 22h - Published: 1/3
Watching My Heroes Reborn by Joanne Frances Tiano Cajilig reviews
Thank you Emma Iveli for your permission to create this story. I'm doing my best to make it fun and twik it a little.
Crossover - One Piece & My Hero Academia/僕のヒーローアカデミア - Rated: M - English - Humor/Adventure - Chapters: 85 - Words: 407,239 - Reviews: 223 - Favs: 469 - Follows: 483 - Updated: 22h - Published: 9/21/2020 - Sanji, Izuku M.
The Little Witch Pirate by RosieRacoon101
As Akko's life at Luna Nova begins to fall apart, the young witch finds herself trapped in a mysterious world away from home. One full of danger and Adventure. As Akko fights her way back to her world and back to the people that she loves, it's a question of if she'll be the same when or if she ever returns. I do not own Little Witch Academia Or One Piece. This is merely fanfic
Crossover - One Piece & Little Witch Academia/リトル ウィッチ アカデミア - Rated: T - English - Adventure/Drama - Chapters: 1 - Words: 3,528 - Published: 11/6 - Makino, Garp, Akko K., Diana C.
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.
Crossover - Naruto & One Piece - Rated: M - English - Adventure - Chapters: 47 - Words: 261,963 - Reviews: 680 - Favs: 2,126 - Follows: 2,209 - Updated: 11/6 - Published: 11/21/2015 - [Naruto U., Nami, Robin, Gina]
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: 79 - Words: 314,326 - Reviews: 155 - Favs: 171 - Follows: 194 - Updated: 11/6 - Published: 5/1/2021 - B. Hawkins, Jaune A., Emerald S.
Izuku and Mei's Excellent Adventure by Bardothren reviews
An accident with Mei's new time machine leaves her and Izuku stranded in a world of pirates. At least Gold Roger's kind enough to welcome them and their unexpected passenger aboard his ship.
Crossover - One Piece & My Hero Academia/僕のヒーローアカデミア - Rated: T - English - Adventure/Humor - Chapters: 7 - Words: 31,269 - Reviews: 44 - Favs: 166 - Follows: 198 - Updated: 11/6 - Published: 7/25/2021 - Luffy, Gol D. Roger, Izuku M., Mei H.
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 Angel. While there he meets a girl named Rias and joins her club. Now Luffy needs to find a way 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: 20 - Words: 62,501 - Reviews: 158 - Favs: 189 - Follows: 240 - Updated: 11/6 - Published: 9/4 - [Luffy, H. Akeno, Rias G.] H. Issei
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: 38 - Words: 166,301 - Reviews: 245 - Favs: 276 - Follows: 267 - Updated: 11/6 - 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: 3 - Words: 4,143 - Reviews: 15 - Favs: 60 - Follows: 74 - Updated: 11/6 - Published: 9/5/2021 - Luffy, Zoro, Meliodas, Elizabeth L.
Rotten Punks In City Z by SeaRoar reviews
Too fast. It happened too fast... One moment Eustass Kid was on his way into the next half of his journey into the new world, but all it took was the random appearance of a mystical cube and a supposed hero called Blast to tear apart his ambitions and leave him stranded in a world he knew nothing about. Also, who the heck is this caped baldy guy?
Crossover - One Piece & One Punch Man/ワンパンマン - Rated: M - English - Romance/Humor - Chapters: 6 - Words: 11,151 - Reviews: 6 - Favs: 35 - Follows: 36 - Updated: 11/6 - Published: 4/28 - E. Kidd
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: 61 - Words: 90,663 - Reviews: 43 - Favs: 170 - Follows: 173 - Updated: 11/6 - Published: 11/28/2020 - Luffy, Frisk
One Piece: Crimson Tides by Morpheus146 reviews
The world called him The Impaler Prince, someone who marked the annals of history with his life and actions, from his glorious battles and ruthlessness to his enemies. After finding his end and relieving the former home of his cruelty he still grasps the frails of fate and a new world. A world that allows a person to dream. Where everything could be possible. It was the One Piece
Crossover - One Piece & Hellsing - Rated: M - English - Adventure/Fantasy - Chapters: 51 - Words: 174,241 - Reviews: 6 - Favs: 47 - Follows: 43 - Updated: 11/6 - Published: 9/2 - Alucard, Robin, J. Bonney, Mihawk
MHA X One piece X Overlord : Who is the real hero ? by raptor10 reviews
The characters of Overlord and One piece (Wano Kuni arc) in the universe of MHA? What scenario could this create? Wars ? Alliances? The end of the heroes? The victory of the villains? being at the side of All Might, Galadriel and Luffy, Deku will understand that being a hero is never easy and that everyone has his own definition of justice.
Crossover - One Piece & My Hero Academia/僕のヒーローアカデミア - Rated: K - English - Adventure/Humor - Chapters: 58 - Words: 206,776 - Reviews: 444 - Favs: 156 - Follows: 149 - Updated: 11/6 - Published: 12/5/2021 - Luffy, Kaidou, Toshinori Y./All Might, 1-A Students
The Eight-Legged Bootlegger! by MULTUS reviews
Muffet D. Baker, a Spider-Girl in a world where there are pirates, ability-giving fruits, government oppression, and infinite islands must strive and try her hardest to claim the title Queen of The Pirates by finding the treasure that W. D. Gaster left! Collecting crewmates on her voyages, she will make sure that her extinct race may someday flourish. That is her wish as a pirate!
Crossover - One Piece & Undertale - Rated: M - English - Adventure/Fantasy - Chapters: 68 - Words: 378,947 - Reviews: 1 - Favs: 14 - Follows: 18 - Updated: 11/6 - Published: 2/8 - Frisk, Sans, Muffet, Gaster
Maelstrom Pirates by Kobelru reviews
After living on the run for five years, Naruto Uzumaki leaves the Elemental Nations and discovers the world is a lot bigger than he previously thought. Working as a Shinobi in the East Blue, Naruto takes on a mission to find the One Piece and sets sail for the Grand Line.
Crossover - Naruto & One Piece - Rated: T - English - Chapters: 1 - Words: 4,319 - Reviews: 10 - Favs: 36 - Follows: 44 - Published: 11/5 - Naruto U., Nami, Robin
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