Ben 10 Crossovers
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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: 51 - Words: 74,184 - Reviews: 302 - Favs: 184 - Follows: 173 - Updated: 9/8 - Published: 12/22/2019 - [Julie Y., OC] Gentaro K./Fourze
Heroes Never Die It's Hero Time by Guardian-Sigil reviews
One would think that in a world where everyday people possess impossible abilities nothing would really be a surprise. Izuku Midoriya, who upon the age of four was diagnosed as quirkless, was denied of his dream of become a hero that can save everyone with a smile. But fate gives him a chance; allowing him access not to one but a universe of powers and abilities.
Crossover - Ben 10 & My Hero Academia/僕のヒーローアカデミア - Rated: T - English - Adventure/Sci-Fi - Chapters: 86 - Words: 1,757,868 - Reviews: 4602 - Favs: 2,052 - Follows: 2,022 - Updated: 9/8 - Published: 11/26/2019 - Kevin, Izuku M., Ochako U., 1-A Students
Ben 10 RWBY Volume 2: Ultimate Omniverse by The Omni-Remnant reviews
Having returned from a massive adventure in the world of Remnant, Ben, Team RWBY, and the rest of their friends find themselves faced with new challenges at every turn on Earth. Be it villains old and new… or even things that they never imagined to be real. It's going to be a challenge unlike any they've seen before, but they're up for it. It's Hero Time! (Cover Art credit inside)
Crossover - Ben 10 & RWBY - Rated: T - English - Adventure/Romance - Chapters: 73 - Words: 1,021,912 - Reviews: 1465 - Favs: 615 - Follows: 581 - Updated: 9/8 - Published: 4/4/2021 - [Ben T., Yang X.L.] Gwen T., Ruby R.
Naruto Universe by fananime331 reviews
Un niño condenado por cosas que estaban fuera de su control...escapando para salvar su vida...sin esperar a encontrarse con un ser de otro mundo que lo lleva a nuevos mundos completamente desconocidos y misteriosos para el niño...que le esperara para el futuro (aun se decide si es harem o no)
Crossover - Naruto & Ben 10 - Rated: M - Spanish - Adventure - Chapters: 8 - Words: 177,623 - Reviews: 79 - Favs: 123 - Follows: 135 - Updated: 9/7 - Published: 1/12/2022 - Naruto U., Ben T.
The Crystal Brothers by Jss2141 reviews
Earth, a planet unlike any other the diamonds had come across in their conquest of the galaxy. Not only was it a planet with it's own inhabitants known as "humans" but apparently it was able to create two gems unlike any that had ever been created before. Gems made entirely of gem rock and being "males" instead of females.
Crossover - Ben 10 & Steven Universe - Rated: T - English - Adventure/Supernatural - Chapters: 7 - Words: 8,018 - Reviews: 9 - Favs: 24 - Follows: 20 - Updated: 9/7 - Published: 3/31 - Pink Diamond, Pearl, Rose Quartz
Overlord Tennyson by Vishvarupam reviews
Ainz reincarnated as Ben Kirby Tennyson and a certain Anodite found the innate magic within his grandchild.
Crossover - Overlord/オーバーロード & Ben 10 - Rated: T - English - Adventure/Supernatural - Chapters: 2 - Words: 2,575 - Reviews: 41 - Favs: 37 - Follows: 49 - Updated: 9/7 - Published: 8/26 - Ainz, Evileye, Gwen T.
A Lost Hero's Fairytale by Ultimate10 reviews
Ben Tennyson has awakened in the magical world of Earthland with amnesia, no memory outside of his name. Follow our lost hero as he travels across Fiore, making new friends and enemies, catching the interest of certain people, and rediscovering who he truly is. Ben x Harem. **No nerfing! The Ink Tank power rankings**
Crossover - Ben 10 & Fairy Tail - Rated: M - English - Fantasy/Romance - Chapters: 7 - Words: 80,662 - Reviews: 230 - Favs: 392 - Follows: 438 - Updated: 9/6 - Published: 2/18 - [Ben T., Lucy H., Juvia L., Erza S.]
Ben 10 Haunting Hour by Zombiedestroyer99 reviews
Ben is taken by Fate herself to prevent the horrific tragedies that have befallen some people, some good, some bad, others... who knows. Can Ben prevent these tragedies or can the hero not save everyone?
Crossover - Ben 10 & Haunting Hour - Rated: T - English - Horror/Supernatural - Chapters: 7 - Words: 11,950 - Reviews: 23 - Favs: 8 - Follows: 8 - Updated: 9/5 - Published: 1/28/2022 - Ben T.
Fairy tail's Dragon Rider and Beast Nephlem by Artzilla406 reviews
After 7 years of fairy tails strongest disappearance fairy tail has gotten low, but they stayed strong, now fairy tail is back in action as everyone climb back to the top and fight for there guild mates and future
Crossover - Ben 10 & Fairy Tail - Rated: M - English - Adventure/Fantasy - Chapters: 23 - Words: 309,515 - Reviews: 3 - Favs: 24 - Follows: 20 - Updated: 9/5 - Published: 8/18/2018
DC Maelstrom: Omni Travels by Kfbanime87 reviews
When a hero loving teen finds possibly the most powerful device in the universe, watch as this boy grows to be the hero he's always dreamed of
Crossover - Naruto & Ben 10 - Rated: M - English - Adventure/Humor - Chapters: 8 - Words: 56,519 - Reviews: 392 - Favs: 809 - Follows: 850 - Updated: 9/4 - Published: 2/24 - Naruto U., Gwen T.
the alien wizard by diamondholder reviews
this a new harem story with what would happen if Ben Tennyson were to get teleported somehow to the Fairy tail universe i'm not going to be listing off all the pairs since i don't have enough room but it will be crazy. rated T for implied sexual encounters
Crossover - Ben 10 & Fairy Tail - Rated: T - English - Romance/Adventure - Chapters: 19 - Words: 58,976 - Reviews: 53 - Favs: 83 - Follows: 78 - Updated: 9/3 - Published: 3/12/2020 - Ben T., Lucy H., Mirajane S., Bisca M.
Galactic Shift Extend: Side Stories by Seanzilla1988 reviews
A series of side stories featuring the many characters and series within Galactic Shift Extend's universe.
Crossover - X-overs & Ben 10 - Rated: T - English - Chapters: 28 - Words: 408,272 - Reviews: 144 - Favs: 106 - Follows: 90 - Updated: 9/3 - Published: 8/17/2020
LES MUSICIENS DU MONDE ARC III 2011 TO 2016 by DanteVirgil09 reviews
This is the final arc of this particular saga where it is reaching closer and closer to its climax. When transcending choice for others and making them for some, where every emotion and motive for all characters will have to face and handle to the best of their abilities. Will everyone rise and pave their destinies or fall from grace? But all roads lead to the stars in the end.
Crossover - Evangelion & Ben 10 - Rated: M - English - Adventure/Drama - Chapters: 25 - Words: 383,976 - Reviews: 12 - Favs: 7 - Follows: 12 - Updated: 9/3 - Published: 3/12/2016
Team assemble ! by taiiwo reviews
So the mightiest heroes of earth and beyond team up You know , i know this is cliche story type but this story is something special soooo tune in T for language
Crossover - X-overs & Ben 10 - Rated: T - English - Friendship/Sci-Fi - Chapters: 2 - Words: 1,151 - Reviews: 1 - Published: 9/3 - Ben T., Gwen T., Kevin
And Then It Was Miraculous by ZFan100 reviews
Ben and Gwen face off against Animo only for the fight to take a mysterious turn, taking them to another place. Someplace... Miraculous. Note: has an alternate Ben and Gwen following Gwen if she didn't destroy the Charms
Crossover - Ben 10 & Miraculous: Tales of Ladybug & Cat Noir - Rated: K+ - English - Adventure/Sci-Fi - Chapters: 5 - Words: 6,983 - Reviews: 20 - Favs: 30 - Follows: 33 - Updated: 9/3 - Published: 10/21/2022 - Ben T., Gwen T., Marinette D-C./Ladybug, Adrien A./Cat Noir
Ben-10: The One True Monster by Chris Chronos reviews
The young Benji Tenzaki is an unfortunate child who wasn't blessed with the talent to become a ninja. Upon death, he regained memories of his past life and chose to use the Omnitrix for the good of his people. This story follows Benji as he survives in the world of shinobi as one of them, disguising his abilities as the ninja techniques.
Crossover - Ben 10 & Naruto - Rated: T - English - Adventure/Fantasy - Chapters: 6 - Words: 54,910 - Reviews: 17 - Favs: 44 - Follows: 43 - Updated: 9/2 - Published: 8/2 - Naruto U., Kakashi H., Ben T., OC
Legend of 10 by Ripple247 reviews
On a fateful day in the park, a young man's life is changed, when seeing a shooting star fall from the night sky. Watch Ube rise to be a hero, though it's kinda hard to be a hero when your mom is the police chief, and the avatar mistakes me for a spirit. No paring of yet.
Crossover - Ben 10 & Legend of Korra - Rated: T - English - Adventure/Sci-Fi - Chapters: 8 - Words: 61,228 - Reviews: 53 - Favs: 59 - Follows: 67 - Updated: 9/2 - Published: 4/14 - OC, Korra, Chief Lin Beifong, Asami S.
Lost in a World of Heroes by DMDSKLL reviews
After a grave defeat, Ben loses hope in being a hero but after some unexpected circumstances, the wielder of the Omnitrix is transported to a world filled to the brim with heroes. Having to adjust to not only a new country but also going to school to be a hero Ben has plenty of challenges ahead.
Crossover - Ben 10 & My Hero Academia/僕のヒーローアカデミア - Rated: T - English - Sci-Fi - Chapters: 21 - Words: 72,872 - Reviews: 102 - Favs: 245 - Follows: 261 - Updated: 9/1 - Published: 6/7/2022 - Ben T., Shouta A./Eraserhead, Mina A., 1-A Students
The Loud 10: Omnitrix Team Adventures by Harriet546 reviews
Lincoln Loud, the Omnitrix Team and the Omnitrix itself are as heroic as always. Join Lincoln and the Omnitrix Team as they go through adventures with heroic friends, make new ones, and fight to save the world and other worlds like it. (Inspired by The Loud 10 by GokuSannin9000).
Crossover - Ben 10 & Loud House - Rated: K+ - English - Adventure/Humor - Chapters: 72 - Words: 316,483 - Reviews: 30 - Favs: 49 - Follows: 39 - Updated: 9/1 - Published: 6/26/2018 - Lincoln L., Luna L., OC, Ronnie Anne S.
Fairies in a world of Aliens by diamondholder reviews
this is what i think would happen if some of the strongest members of Fairy tail would be thrown into the events of ultimate alien and omniverse. main pairings will be BenXMirajane, KevinXLisanna, and GwenXNatsu rated m for later chapters.
Crossover - Ben 10 & Fairy Tail - Rated: T - English - Romance/Adventure - Chapters: 29 - Words: 149,118 - Reviews: 20 - Favs: 72 - Follows: 66 - Updated: 9/1 - Published: 11/22/2017
Jade 10 by Inkaliber reviews
Ben was honestly shocked when his mind was seemingly sent back in time. He was just getting used to the super-powered device known as the Omnitrix. With that fateful moment soon approaching, however, nothing could stop him from being the greatest hero ever!... Except the strange girl replacing his cousin.
Crossover - Jackie Chan Adventures & Ben 10 - Rated: K+ - English - Adventure/Sci-Fi - Chapters: 6 - Words: 48,651 - Reviews: 21 - Favs: 34 - Follows: 28 - Updated: 8/31 - Published: 4/11/2021 - Jade C., Ben T., Kevin, Max T.
Ben 10: Futo Adventures by omnimegalander reviews
Ben Tennyson has come to the city of Futo thanks to a mysterious tip. Seeking out the Narumi Detective Agency, he ends up joining forces with the two-in-one detective against those who would make the city cry. Now, count up your sins because it's Hero Time! Adopted from BigbyTheBigBadWolf.
Crossover - Ben 10 & Kamen Rider - Rated: T - English - Adventure/Mystery - Chapters: 4 - Words: 42,534 - Reviews: 30 - Favs: 44 - Follows: 44 - Updated: 8/31 - Published: 3/18 - Ben T., Akiko N., Philip/Raito S./W, Shotaro H./W
Robots in Bellwood by KentroKreations reviews
Where the Aligned continuity of Transformers meets the Classic continuity of Ben 10 after a trip to Earth doesn't go as planned. The main crew crashlands on Earth, just not their Earth. And that's not the only difference. May the dimensional dilemma ensue!
Crossover - Transformers/Beast Wars & Ben 10 - Rated: T - English - Sci-Fi/Drama - Chapters: 6 - Words: 11,529 - Reviews: 3 - Favs: 7 - Follows: 9 - Updated: 8/31 - Published: 7/30 - Bumblebee, Steeljaw, Ben T., Gwen T.
A Trip to Remember by LG Shala reviews
A shape-shifting alien hero, eager to explore the universe after saving it. A human-gem hybrid, burdened by his inheritance, looking to discover himself. When Ben Tennyson and Steven Universe realize they're both going on a road trip, they decide to explore the universe together.
Crossover - Ben 10 & Steven Universe - Rated: T - English - Adventure/Sci-Fi - Chapters: 5 - Words: 23,884 - Reviews: 19 - Favs: 18 - Follows: 17 - Updated: 8/31 - Published: 4/20 - Ben T., Steven U., Sour Cream, Kevin
My Alien Academia by The Incredible Muffin reviews
Some worthy souls are chosen to carry the mantle of great heroes. Sometimes, this is destiny. Other times, it's all about being in the right universe, at the right time, chosen by the right watch.
Crossover - Ben 10 & My Hero Academia/僕のヒーローアカデミア - Rated: T - English - Adventure/Friendship - Chapters: 55 - Words: 506,660 - Reviews: 1736 - Favs: 2,570 - Follows: 2,624 - Updated: 8/31 - Published: 11/26/2019 - Ben T., Izuku M.
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