Ben 10 Crossovers
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Priestess 10 by SilverSoulmmc reviews
It's been a couple of months since Yu Narukami and The Investigation Team solved the case and returned peace to their town of Inaba. Yukiko Amagi was looking forward to spending the upcoming summer with her friends however it seemed that her parents had other plans for her, plans that involved sending her to America for a Summer Road Trip with relatives she's only recently heard of
Crossover - Ben 10 & Persona Series - Rated: T - English - Family/Adventure - Chapters: 45 - Words: 246,295 - Reviews: 196 - Favs: 158 - Follows: 171 - Updated: 10/28 - Published: 8/17/2021 - Ben T., Gwen T., Max T., Yukiko A.
10 Eater by Jerry Ruffin reviews
Ben gets transported to the world of Soul Eater where he meets the Soul Eater cast. He decides to help them fight the Kishin and Witches until he finds a way home. BenxHarem. Adopted by Rexfan1333
Crossover - Ben 10 & Soul Eater - Rated: T - English - Sci-Fi/Supernatural - Chapters: 1 - Words: 1,778 - Reviews: 3 - Favs: 16 - Follows: 18 - Published: 10/28 - Ben T., Blair, Maka A., Soul Eater
A Monster From Another World by LittleLagoon reviews
Frankie Stein leads an ordinary and quiet life like any typical teenage monster. But everything changes when she and her friends have an encounter with a being from another world. Her life will soon take a 180-degree turn, dangers that she never believed asked to exist will be present and everything seems to be related to her mysterious and very mischievous space friend.
Crossover - Ben 10 & Monster High - Rated: T - English - Sci-Fi/Adventure - Chapters: 11 - Words: 131,549 - Reviews: 91 - Favs: 166 - Follows: 195 - Updated: 10/28 - Published: 8/26/2021
Kunoichi Amongst Aliens by Shinobi360 reviews
The final battle against Kaguya brought forth an unforseen outcome for Sakura Haruno; one that cost her her entire world. In a world unlike her own with no means of returning by herself, Sakura allies herself with a certain Omnitrix Hero who promises to help her find her way back. But in the meantime,She,Ben and Rook form a team to fight against threats from Earth and Beyond.
Crossover - Naruto & Ben 10 - Rated: T - English - Adventure/Romance - Chapters: 1 - Words: 4,113 - Reviews: 7 - Favs: 17 - Follows: 21 - Published: 10/28 - [Sakura H., Ben T.] Rook
Ben 10: Justice League (the series) by darkstorm1364 reviews
Ben Tennyson was abducted by aliens when he was 10 years old after accidentally received the Omnitrix, but then got rescued by Tetrax. He also brought Rook Blonko with his side. Both Ben and Rook are orphans, where Tetrax trained them to become the Galactic Guardians. Then after reaching his teen years, he received the Ultimatrix and recruiting more members.
Crossover - Justice League & Ben 10 - Rated: T - English - Adventure/Drama - Chapters: 17 - Words: 133,238 - Reviews: 82 - Favs: 215 - Follows: 199 - Updated: 10/28 - Published: 6/7/2020 - Clark K./Kal-El/Superman, Linda L./Kara Zor-El/Supergirl, Ben T., Rook
Ben's Ninja Harem by AlienTokusatsuDuelistMangaGeek reviews
In the crossover.
Crossover - Naruto & Ben 10 - Rated: M - English - Adventure/Romance - Chapters: 6 - Words: 19,835 - Reviews: 5 - Favs: 33 - Follows: 31 - Updated: 10/27 - Published: 8/4 - [Naruko U., Ben T.]
Fairy x10 by Ciel Binns reviews
After recreating a universe, Ben is sent to another universe filled with Magic, Dragons, God's, and Demons. Watch as he battles various mages, dragons, and insane black mage in order to help the people he cares about.
Crossover - Ben 10 & Fairy Tail - Rated: K - English - Adventure/Romance - Chapters: 5 - Words: 44,455 - Reviews: 21 - Favs: 40 - Follows: 41 - Updated: 10/27 - Published: 9/17
Ben 10 Ga Kill by Jerry Ruffin reviews
Ben Tennyson finds himself in the Akame Ga Kill universe he finds out that there is a corrupted Empire and the Prime Minister is controlling the young Emperor to control the people. So Ben joined the assassin group Night Raid to helped them defeated the Prime Minister and bring peace in the world. BenxHarem.
Crossover - Ben 10 & Akame ga Kiru/アカメが斬る - Rated: T - English - Sci-Fi/Fantasy - Chapters: 5 - Words: 24,696 - Reviews: 15 - Favs: 30 - Follows: 31 - Updated: 10/26 - Published: 9/28 - Ben T., Tatsumi, Akame, Sheele
Adventure in marvel new version by Ben 1000000 reviews
Benjamin who was a very big fan of ben 10 got reborn in marvel after his death now determined to live a fun and meaningful live but it all goes down the drain when he sees that he was in marvel now scared to death for him and family ben had lost all hope but when he get omnitrix it all changes well as much as it can change, there is not much that one person can do alone.
Crossover - Marvel & Ben 10 - Rated: M - English - Chapters: 2 - Words: 4,293 - Reviews: 4 - Favs: 18 - Follows: 20 - Updated: 10/25 - Published: 8/29
Rise of the Yo-kaitrix by WobblewokGaming reviews
During a rough part of Nate Adams (a rather famous young prodigy), the Adams family moved to BBQ, Texas in order to start a new life there. Little do they know that this would lead to a series of events that would all build up to Nate becoming the savior of the galaxy and beyond!
Crossover - Ben 10 & Yo-Kai Watch - Rated: T - English - Adventure/Sci-Fi - Chapters: 1 - Words: 12,904 - Reviews: 1 - Favs: 3 - Follows: 2 - Published: 10/24 - Azmuth, Vilgax, Nate A./Keita A., Hailey A./Inaho M.
Tales from Avenging 10 by CaptainRex75 reviews
So many Heroes in one Universe. Too many to fit on one story. A series of One Shots involving Ben 10 as he teams up with different Character of the Marvel Universe to fight the forces or evil. (Co-Written by bcarandang1)
Crossover - Ben 10 & Avengers: Earth's Mightiest Heroes - Rated: T - English - Humor/Adventure - Chapters: 7 - Words: 57,000 - Reviews: 101 - Favs: 145 - Follows: 110 - Updated: 10/24 - Published: 7/15/2016
Omniversal War by bbreader20 reviews
When Ben Tennyson get transported into another world, he will need to team up with Anne and her friends to stop Andrias and The Core from conquering the multiverse.
Crossover - Amphibia & Ben 10 - Rated: K+ - English - Adventure/Friendship - Chapters: 16 - Words: 87,934 - Reviews: 38 - Favs: 42 - Follows: 30 - Updated: 10/23 - Published: 4/29 - Ben T., Anne, Sprig, Sasha - Complete
Ben 10 protector of universe by Ben 1000000 reviews
Ben Tennyson is the current wielder of omnitrix He had to go to earth for a investigation but when he finds traces of element X things get complicated now he has to deal with threats from both earth and space, and for some reason his dad asked him to go to an stupide hero school "i didn't even knew that hero had a school" can ben deal with his double life and keep his work secrete.
Crossover - Ben 10 & My Hero Academia/僕のヒーローアカデミア - Rated: M - English - Chapters: 2 - Words: 11,548 - Reviews: 1 - Favs: 13 - Follows: 11 - Updated: 10/23 - Published: 4/14
The Book and the Watch by Bad Pun King reviews
Ever wonder how different Gravity Falls would've been if Ben and Gwen Tennyson had been sent to spend the summer there alongside Dipper and Mabel Pines? This is that story! More details in the intro
Crossover - Ben 10 & Gravity Falls - Rated: K+ - English - Adventure/Mystery - Chapters: 3 - Words: 31,992 - Reviews: 15 - Favs: 44 - Follows: 41 - Updated: 10/22 - Published: 7/30/2018
The Walking Hero by TheAdmiralKJ12 reviews
After getting Kevin under control after he absorbed the Ultimatrix, there were little to no threats on Earth. There were no crimes, alien attacks, no word from Vilgax, and cries from other planets needing help. This left Ben beyond bored and with nothing to do until Paradox decides to humor our hero and send him into an apocalyptic world.
Crossover - Ben 10 & Walking Dead - Rated: M - English - Friendship/Sci-Fi - Chapters: 1 - Words: 5,777 - Reviews: 2 - Favs: 14 - Follows: 16 - Published: 10/20 - Ben T., Clementine, AJ
Ben 10 Switch On by CMXB reviews
A new Fourze has arrived at the world of Ben 10 with a mission to be a new hero of the universe while befriending anyone he meets, what adventures will he do only time will tell now, Uchu Kita.
Crossover - Ben 10 & Kamen Rider - Rated: T - English - Adventure/Sci-Fi - Chapters: 38 - Words: 58,949 - Reviews: 231 - Favs: 171 - Follows: 152 - Updated: 10/20 - Published: 12/22/2019 - [Julie Y., OC] Gentaro K./Fourze
Steven Universe:Alien Force by To'kustar
You just enter, read it and that's it (Maybe the title is temporary until I come up with a better one)
Crossover - Ben 10 & Steven Universe - Rated: M - English - Suspense/Humor - Chapters: 1 - Words: 1,296 - Favs: 2 - Published: 10/19 - Ben T., Steven U.
BEN 10: From Commonplace To The World's Strongest Hero by ALPHA02FURY97 reviews
Ben 10: From Commonplace to World's Strongest Hero. This is sequel to Ben 10: Irregular Omni Taken place right after Season 1 Episode 4 of Arifureta From Commonplace to World's Strongest.
Crossover - Ben 10 & Arifureta Shokugyou de Sekaisaikyou/ありふれた職業で世界最強 - Rated: M - English - Adventure/Sci-Fi - Chapters: 7 - Words: 18,986 - Reviews: 3 - Favs: 5 - Follows: 8 - Updated: 10/19 - Published: 9/22 - Ben T., Yue, H. Shea, S. Kaori - Complete
Justice Matrix by AUfan62 reviews
Ben crossed over into the YJ universe. (No he doesn't lose everything he loves.) Now he joins a newly formed team. Takes place after series 1 Ben is 13 didn't give up the Omnitrix. Ben/Zatanna pairing.
Crossover - Ben 10 & Young Justice - Rated: T - English - Adventure - Chapters: 19 - Words: 156,272 - Reviews: 364 - Favs: 622 - Follows: 671 - Updated: 10/19 - Published: 7/18/2019
Omniversal Clover by Shinobi360 reviews
A fierce battle with Charmcaster causes Ben and Rook to be sent to an alternate reality; The Clover Kingdom. In their quest to find Charmcaster and return home, they'll come across new foes, but also form new allies as well; The Black Bulls
Crossover - Ben 10 & Black Clover/ブラッククローバー - Rated: T - English - Fantasy/Adventure - Chapters: 2 - Words: 12,327 - Reviews: 29 - Favs: 29 - Follows: 30 - Published: 10/18 - Ben T., Rook, Charmcaster/Hope, Asta
Daniel 10 by dragongodslayer7 reviews
Daniel Ulysses Carter was given the the omintrix in order protect the world. He is willing to learn from the greatest hero's in the world the Avengers. Idea inspired by the Dial Fanfic.
Crossover - Ben 10 & Avengers - Rated: T - English - Adventure/Humor - Chapters: 3 - Words: 8,138 - Reviews: 5 - Favs: 40 - Follows: 41 - Updated: 10/17 - Published: 12/22/2020 - Captain America/Steve R., Iron Man/Tony S., OC
A New Collar For The Dog by Anime0CC0Manga reviews
Ever thought of Zenkichi ending up with the Alien Watch instead? (I Own Nothing)
Crossover - Medaka Box/めだかボックス & Ben 10 - Rated: K - English - Adventure/Sci-Fi - Chapters: 3 - Words: 4,302 - Reviews: 3 - Favs: 7 - Follows: 8 - Updated: 10/17 - Published: 9/23 - Zenkichi H., Medaka K., M. Kumagawa, Kevin
Lincoln el Usuario del Omnitrix by Overlord159 reviews
no soy de resúmenes, solo se que hay varias historias de este tipo, pero quería hacer mi propia versión, espero que les guste
Crossover - Ben 10 & Loud House - Rated: T - Spanish - Adventure/Sci-Fi - Chapters: 19 - Words: 242,067 - Reviews: 290 - Favs: 67 - Follows: 63 - Updated: 10/16 - Published: 6/28/2021 - Gwen T., Lincoln L.
Ben 10: Legendary Defender by OtherMind reviews
Professor Paradox, seeing a world about to destroy itself, sends an acquaintance of his to solve the problem he can't. How will the alien hero fare in this new world at war against the Galra? Find out! (Short first chapter, second chapter) I own nothing
Crossover - Ben 10 & Voltron: Legendary Defender - Rated: T - English - Sci-Fi/Adventure - Chapters: 8 - Words: 12,157 - Reviews: 4 - Favs: 15 - Follows: 19 - Updated: 10/16 - Published: 9/10 - Ben T., Gwen T., Kevin, Prof. Paradox
A Fur Raising Halloween by newbienovelistRD reviews
With all the unpredicable and unnecessary trouble that happens on Earth, Rook Blonko is nervous about his family visiting him for Halloween. Will everything work out or will it be all tricks and no treats?
Crossover - Nightmare Before Christmas & Ben 10 - Rated: K+ - English - Fantasy/Family - Chapters: 1 - Words: 2,653 - Reviews: 3 - Favs: 5 - Follows: 3 - Published: 10/16 - Complete
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