Ben 10 Crossovers
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Humanity and Heroes by Katariina Mariad
Omniverse/Tamers; sequel to Heroes and Humanity. A little galvan named Albedo is back, and he has a couple of problems: Ben Tennyson is trying to kill him, no one will let him leave this silly planet to get away from him, and everyone in Japan is angry with him. Why did Fridge, Swamps and Hugh think moving him back to West Shinjuku was a good idea?
Crossover - Digimon & Ben 10 - Rated: M - English - Horror/Hurt/Comfort - Chapters: 38 - Words: 80,152 - Follows: 1 - Updated: 9/14 - Published: 1/5 - Jenrya L./Henry W., Albedo
Devils & The Alien by Celestial Watcher reviews
Ben Tennyson, wielder of the omnitrix and savior of the universe has to finish his last two years of high school at a place called Kuoh Academy in Japan. No one there knows who he is or that aliens exist, there also happens to be a group of Devils who's leader has taken an interest in Ben
Crossover - Ben 10 & High School DxD/ハイスクールD×D - Rated: M - English - Sci-Fi/Fantasy - Chapters: 3 - Words: 19,701 - Reviews: 45 - Favs: 77 - Follows: 83 - Updated: 9/13 - Published: 7/26 - Ben T., H. Issei, Xenovia, Rias G.
A Couple Of Passing Heroes by Azure King and Azure Queen reviews
Naruto, a young boy who is traveling with his best friend Jen Tennyson. But barely into their adventure both he and Jen received powerful devices. Now with the ability to copy other versions of himself Naruto is going to be a passing by Hero.
Crossover - Naruto & Ben 10 - Rated: T - English - Adventure/Romance - Chapters: 3 - Words: 12,298 - Reviews: 64 - Favs: 437 - Follows: 465 - Updated: 9/13 - Published: 7/11/2017 - Naruto U., Ben T., Charmcaster/Hope
Amalgamation: Approaching Storm by epic insanity666 reviews
having been ambushed by another Lord of Chaos, Kenneth Tennyson finds himself in a world of heroes and villains, and new opportunities. (small Harem planned)
Crossover - Ben 10 & My Hero Academia/僕のヒーローアカデミア - Rated: M - English - Adventure/Humor - Chapters: 8 - Words: 11,904 - Reviews: 1 - Favs: 20 - Follows: 23 - Updated: 9/13 - Published: 8/13 - [OC, Rumi U./Mirko] [Izuku M., Ochako U.]
Black Bull's Quartet Wreckers by Artzilla406
Long ago, a powerful and ruthless demon threaten the realm, humanity was in the brink of destruction. However a lone mage accompanied with eight magic knights, vanquish the demon with all their might. After their triumph the lone mage was crown the wizard king and the eight wizards disappeared, now four new wizards will step forward and take the path to become the wizard kings.
Crossover - Ben 10 & Black Clover/ブラッククローバー - Rated: M - English - Fantasy/Adventure - Chapters: 3 - Words: 61,628 - Favs: 5 - Follows: 5 - Updated: 9/12 - Published: 2/21
Ben 10 x RWBY: Of Gemstones and Watches by Transwiththeplans reviews
In an alternate timeline, Ben and Ruby work together to uncover a mysterious plot that may threaten their lives, and the planet as a whole. (Cover by elmike)
Crossover - Ben 10 & RWBY - Rated: T - English - Adventure/Sci-Fi - Chapters: 103 - Words: 746,852 - Reviews: 352 - Favs: 474 - Follows: 476 - Updated: 9/11 - Published: 12/26/2018 - [Ben T., Ruby R.] OC
Ben 10: Rise of a Hero by Ciel Binns reviews
Ben Tennyson is in a world filled with superheros and it's up to him to save the day. Watch as he encounters psychic sisters, kung fu masters, cyborgs, and villains you wouldn't believe. Will Ben be able to rise to the occasion or will evil triumph.
Crossover - Ben 10 & One Punch Man/ワンパンマン - Rated: K - English - Romance/Supernatural - Chapters: 11 - Words: 91,309 - Reviews: 156 - Favs: 111 - Follows: 114 - Updated: 9/11 - Published: 1/28
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: 16 - Words: 49,121 - Reviews: 43 - Favs: 69 - Follows: 67 - Updated: 9/10 - Published: 3/12/2020 - Ben T., Lucy H., Mirajane S., Bisca M.
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: 43 - Words: 226,625 - Reviews: 183 - Favs: 146 - Follows: 158 - Updated: 9/10 - Published: 8/17/2021 - Ben T., Gwen T., Max T., Yukiko A.
Motion Carried: Good Argument by Anime0CC0Manga reviews
Ever Wonder What Bellicus And Serena Would Do If They Were Given Freedom Outside Of Alien X? (I Own Nothing)
Crossover - Ben 10 & Overlord/オーバーロード - Rated: K - English - Humor/Family - Chapters: 1 - Words: 438 - Reviews: 1 - Favs: 2 - Follows: 2 - Published: 9/10 - Ainz, Albedo, Demiurge, Shalltear B.
Amalgamation: The Huntsmen Arcana by epic insanity666
One world falling to ruin, hope lost with the death of the Phantom thieves, Ren Amamiya is given a chance to right the wrong sof a fake god, but he won't do it alone, for a Huntsmen will be the Sword and shield of the Phantom thieves of Hearts
Crossover - Ben 10 & Persona Series - Rated: M - English - Adventure/Supernatural - Chapters: 9 - Words: 12,013 - Favs: 12 - Follows: 13 - Updated: 9/10 - Published: 7/17 - [Akira K./Ren A., Ann T./Panther] [OC, Sae N.]
My alien academia vol 1 by Wolfdrake29 reviews
while training to get into UA Izuku came across the Omnitrix and his world gotten a lot bigger and now he has to master both the watch and one for all to become a hero like his idol All might but can he make the cut? find out. Izuku/harem mixing with some DC characters and a few other surprises and a bit dark toned. (On hold)
Crossover - Ben 10 & My Hero Academia/僕のヒーローアカデミア - Rated: M - English - Adventure/Sci-Fi - Chapters: 12 - Words: 58,811 - Reviews: 64 - Favs: 150 - Follows: 189 - Updated: 9/9 - Published: 2/2/2021 - Lucy M., Izuku M., Momo Y.
Ben 10: Hero Force by DBZpower197 reviews
It had now been 3 years since Ben took a chance at a normal life. However, history had a tendency to repeat and life had a tendency to be unfair. With the news of someone person putting in a good word for him at UA, Ben would once again don the Omnitrix and face the challenges ahead all the while having one question in mind: "Could he meet the legacy of that watch once again?"
Crossover - Ben 10 & My Hero Academia/僕のヒーローアカデミア - Rated: T - English - Adventure/Sci-Fi - Chapters: 19 - Words: 173,915 - Reviews: 359 - Favs: 536 - Follows: 633 - Updated: 9/9 - Published: 4/19/2021 - Ben T., Izuku M., Momo Y., 1-A Students
Stoppable 10 by The Storyteller993 reviews
Kim and Ron are now seniors at Middleton High and they are also dating. But because of a misuderstanding Ron wants to prove he can be worthy to be Kim Possible's boyfriend. So what happens when the most powerfull device lands in his hands? The world is about to meet a much different Ron Stoppable fighting crime and evil alien warlords whille trying to maintain a personal life.
Crossover - Kim Possible & Ben 10 - Rated: T - English - Adventure/Sci-Fi - Chapters: 1 - Words: 450 - Reviews: 3 - Favs: 8 - Follows: 8 - Published: 9/9 - Kim P., Ron S., Shego, Vilgax
VITOR 10 by Anmari
DONDE VITOR ES UN NIÑO DE 10 AÑOS Y SE VA DE CAMPAMENTO CON SU ABUELO Y SU HERMANA BIANCA Y ENCUENTRA EL ONMITRIX.
Crossover - Misc. Tv Shows & Ben 10 - Rated: K - Spanish - Adventure/Family - Chapters: 1 - Words: 42 - Published: 9/9 - OC
Ben 10 x My here academia by SHplayer reviews
This will be my first story and it's going to be about a clone of Ben 10 that went to the mha world by a portal that was created by Dr animo while fighting him after the story of Omniverse and the storyline will begin just after midoriya rescues bakugo from the slime villain and this Ben will be very op and this WILL NOT be a harem story I hope you guys like my story
Crossover - Ben 10 & My Hero Academia/僕のヒーローアカデミア - Rated: K+ - English - Adventure/Humor - Chapters: 8 - Words: 20,933 - Reviews: 9 - Favs: 24 - Follows: 25 - Updated: 9/9 - Published: 4/25 - Ben T., 1-A Students, 1-B Students, Toshinori Y./All Might
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: 71 - Words: 1,471,535 - Reviews: 3664 - Favs: 1,682 - Follows: 1,688 - Updated: 9/9 - Published: 11/26/2019 - Kevin, Izuku M., Ochako U., 1-A Students
Code 10: Lost Hope by am837 reviews
After Xana died, the heroes encounter a monster far more powerful than Xana and the other enemies they've faced in the past. How will they survive against this threat?
Crossover - Ben 10 & Code Lyoko - Rated: T - English - Chapters: 16 - Words: 21,097 - Reviews: 2 - Favs: 3 - Follows: 2 - Updated: 9/8 - Published: 9/1 - Ben T., Aelita S., Ulrich S., OC - Complete
Runaway Hero by Victor2120 reviews
Lincoln had run away from home for about four months and had been on his own since. Until one night, he meets the Tennysons and a watch that turns him into ten different aliens. Now he has become something that never thought possible he'd become a superhero. (Got the idea from Overlord159)
Crossover - Ben 10 & Loud House - Rated: T - English - Adventure/Hurt/Comfort - Chapters: 15 - Words: 29,650 - Reviews: 83 - Favs: 82 - Follows: 98 - Updated: 9/7 - Published: 11/23/2021 - Gwen T., Max T., Vilgax, Lincoln L.
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: 47 - Words: 428,807 - Reviews: 1498 - Favs: 2,271 - Follows: 2,366 - Updated: 9/7 - Published: 11/26/2019 - Ben T., Izuku M.
Amphibia 10 by Angry9guy reviews
what happens when Ben Anne Gwen Sasha Kevin and Marcy end up in amphibia it will take more than Ben's aliens to escape this new world so Anne and Ben will have to make new friends and end up learning that they have a big destiny and must figure out how to save the universe .
Crossover - Amphibia & Ben 10 - Rated: T - English - Adventure/Friendship - Chapters: 71 - Words: 224,599 - Reviews: 18 - Favs: 47 - Follows: 33 - Updated: 9/6 - Published: 9/30/2020 - Ben T., Gwen T., Anne, Marcy
Ten Piece by Spartan of Chaos reviews
Ben Tennyson and his team are in for the adventure of a lifetime when Professor Paradox sends them on a mission to aid the Straw Hat Pirates in finding the legendary treasure One Piece and help Monkey D. Luffy achieve his dream of becoming the Pirate King. But, old enemies plot their return.
Crossover - One Piece & Ben 10 - Rated: T - English - Sci-Fi/Adventure - Chapters: 18 - Words: 135,492 - Reviews: 179 - Favs: 406 - Follows: 368 - Updated: 9/6 - Published: 12/12/2016 - Luffy, Zoro, Ben T., Vilgax
My Hero Academia: Hero Time by HEROwriter1 reviews
When he was 10, Izuku Midoriya has found the alien watch known as the Omnitrix. Ever since then, he has used the watch to become a vigilante and to save people with a smile on his face. When his secret is revealed, his life and the world will never be the same. Cover image not mine. Cross posted on AO3. New ending for CH6
Crossover - Ben 10 & My Hero Academia/僕のヒーローアカデミア - Rated: T - English - Sci-Fi/Adventure - Chapters: 6 - Words: 38,012 - Reviews: 131 - Favs: 280 - Follows: 283 - Updated: 9/6 - Published: 8/30/2019 - [Izuku M., Ochako U.]
Omni Hero-Deku by blazeninja0 reviews
His goal in life was to be a hero and along with the gifts that he has gained, he will be one. Mini extra crossovers with the story. Izuku x Hearm
Crossover - Ben 10 & My Hero Academia/僕のヒーローアカデミア - Rated: M - English - Humor/Adventure - Chapters: 8 - Words: 90,133 - Reviews: 13 - Favs: 154 - Follows: 158 - Updated: 9/6 - Published: 12/2/2021 - [Izuku M., Nemuri K./Midnight, Momo Y., Ochako U.]
Naru10 by blazeninja0 reviews
Naruto found the Omnitrix when he was 10; This is the story on how he saved the universe. He will go along with help from all across the stars Mass Crossover Naruto x Harem.
Crossover - Naruto & Ben 10 - Rated: M - English - Sci-Fi - Chapters: 26 - Words: 86,785 - Reviews: 56 - Favs: 321 - Follows: 314 - Updated: 9/6 - Published: 5/11/2020 - Naruto U.
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