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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: 58 - Words: 804,441 - Reviews: 1074 - Favs: 477 - Follows: 448 - Updated: 10/31 - Published: 4/4/2021 - [Ben T., Yang X.L.] Gwen T., Ruby R.
IZUKU 10 by Comments sensefic reviews
At a young age of 10, young Izuku Midoriya and his friends goes camping with their families for the summer vacation, until it went south really fast. Finding a alien watch with secrets hiden in it he must choose to use it wisely as a vigilante and being a target of a evil warlord that looks like a tentacle hentai monster. Now follow the origins of the greatest hero Izuku 10.
Crossover - My Hero Academia/僕のヒーローアカデミア & Ben 10 - Rated: T - English - Sci-Fi/Adventure - Chapters: 5 - Words: 77,960 - Reviews: 10 - Favs: 40 - Follows: 46 - Updated: 2h - Published: 7/31 - [Izuku M., Kyoka Jiro] Azmuth, Vilgax
The Infinity Legion:Fairy Tail by Jerry Ruffin reviews
After the Darkentors and save the entire Multiverse, the Infinity Legion travels across the Multiverse as its protectors. They travel to the Fairy Tail world where they meet the Fairy Tail Mages. They face many challenges together. The Elodas story arc is out.
Crossover - Ben 10 & Fairy Tail - Rated: T - English - Sci-Fi/Fantasy - Chapters: 18 - Words: 130,238 - Reviews: 20 - Favs: 16 - Follows: 12 - Updated: 4h - Published: 7/2
The Alien Soldier by Nomadic Chaos reviews
What would happen if Naruto had found the Ultimatrix, and with the power of a seemingly vast array of power and possibility; as he now gains the opportunity to use this to rise up to greatness in his village, but also to become a great soldier and hero for Konoha. All the while contending from threats both on planet and beyond. Largely A.U, Rated M for Mature Themes and Violence.
Crossover - Naruto & Ben 10 - Rated: M - English - Sci-Fi/Adventure - Chapters: 7 - Words: 52,565 - Reviews: 47 - Favs: 93 - Follows: 95 - Updated: 4h - Published: 9/6 - Naruto U., Sasuke U., OC
Omni Boys by AUfan62 reviews
While fighting both Kevin and Vilgax at Niagara Falls both them and Ben get sucked into a portal created by the Null Void projector. Only it’s not the Null Void they land. They land in a world where Superheroes are just a bunch of corporate puppets and think they can do whatever they want. But no it’s a real Hero’s Time.
Crossover - Ben 10 & Boys - Rated: M - English - Adventure - Chapters: 5 - Words: 33,169 - Reviews: 89 - Favs: 162 - Follows: 160 - Updated: 18h - Published: 9/3 - Ben T., Billy Butcher, Homelander/John, Hughie Campbell
Close Encounters of the Ghostly Kind by Kallin Presley 2 reviews
Ben, Gwen, and Grandpa Max stop at Amity Park to meet Max’s old ghost hunting friends. Unfortunately, for the likes of Ben Tennyson and Danny Fenton, there’s no such thing as a pleasant visit…
Crossover - Ben 10 & Danny Phantom - Rated: K - English - Adventure - Chapters: 1 - Words: 925 - Reviews: 1 - Favs: 3 - Follows: 2 - Published: 20h
Ben 10 : Alternate Dimension by Teh Kew1 Storyteller
Some people have really big stories to tell, and this version of Ben has a really big one indeed! Find out what kinds of adventures he has and what kinds of stuff happen to him!
Crossover - Misc. Anime/Manga & Ben 10 - Rated: M - English - Adventure/Fantasy - Chapters: 11 - Words: 181,457 - Favs: 2 - Follows: 2 - Updated: 11/3 - Published: 11/1
My Ben 10 Academia by Jerry Ruffin reviews
Ben Tennyson gets sent to the world of My Hero Academia. Where is a world full of heroes and not everyone can be a hero. He enrolled in U.A High the number one hero school in the world. Many challenges will be ahead of him. He have to Go BEYOND! PLUS ULTRA! BenxHarem.
Crossover - Ben 10 & My Hero Academia/僕のヒーローアカデミア - Rated: T - English - Sci-Fi/Adventure - Chapters: 1 - Words: 2,706 - Reviews: 5 - Favs: 20 - Follows: 20 - Published: 11/2 - Ben T., Izuku M., 1-A Students, Melissa S.
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: 48 - Words: 437,959 - Reviews: 1535 - Favs: 2,304 - Follows: 2,397 - Updated: 11/2 - Published: 11/26/2019 - Ben T., Izuku M.
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: 45 - Words: 92,016 - Follows: 1 - Updated: 11/2 - Published: 1/5 - Jenrya L./Henry W., Albedo
Kamen Rider Alterum by Chris Chronos reviews
[An OC Kamen Rider fanfiction created using Ben 10 elements.] Hiroki Tennyson, a lone wanderer in a world plagued by a zombie virus, has been chosen by Eunice to protect humanity as Kamen Rider Alterum. As he and Eunice proceed with their journey, they uncovers the secrets of the world resulting from the apocalypse and all the crisis that started ten years ago.
Crossover - Ben 10 & Kamen Rider - Rated: T - English - Sci-Fi/Adventure - Chapters: 2 - Words: 14,776 - Reviews: 1 - Favs: 2 - Follows: 1 - Updated: 11/1 - Published: 10/25 - [OC, Eunice] D. Kaito/DiEnd, Tsukasa K./Decade
Leonardo Voorhees: Alien Chronicles by Pravus666 reviews
What happens when a 12-year-old Harry is given the Ultimatrix and given the chance to become something greater? Well this is that story, as we follow his misadventures in the world and the worlds beyond, with a legion ready to take on anyone. Rated M for Blood, Violence, Gore, and Mature Themes. Ultimatrix Harry AU. Harry X ?
Crossover - Harry Potter & Ben 10 - Rated: M - English - Sci-Fi/Fantasy - Chapters: 7 - Words: 55,229 - Reviews: 37 - Favs: 92 - Follows: 116 - Updated: 11/1 - Published: 6/29 - Harry P., Voldemort, OC, Charmcaster/Hope
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: 6 - Words: 107,383 - Favs: 7 - Follows: 7 - Updated: 11/1 - Published: 2/21
The Tennyson Priestess Logs by SilverSoulmmc reviews
Side Stories of Yukiko and her family during their summer vacation! Filled with humor, friendship, romance, and lots of property damage!
Crossover - Ben 10 & Persona Series - Rated: T - English - Family/Adventure - Chapters: 21 - Words: 39,249 - Reviews: 52 - Favs: 27 - Follows: 33 - Updated: 11/1 - Published: 12/20/2021 - Ben T., Gwen T., Max T., Yukiko A.
Amalgamation part 2: Ascension by epic insanity666 reviews
Summer Vacation over, his family grown beyond expected, Kenneth Tennyson moves to settle down and get his future plans started... if only a certain cyclops hadn't sent him on a one man mission to Japan filled with soul eating demons, wild magic trying to escape oh and dead people... dead people everywhere. Well, this will be interesting. Harem story
Crossover - Bleach & Ben 10 - Rated: M - English - Adventure/Supernatural - Chapters: 41 - Words: 69,943 - Reviews: 13 - Favs: 58 - Follows: 72 - Updated: 11/1 - Published: 12/31/2021 - [OC, T. Harribel, Yoruichi S.]
Ten Times The Hero by Hornets88 reviews
Izuku Midoriya is about to give up on his dreams of heroism when a teenager clad in a green jacket and a man claiming to be a professor break into his room in broad daylight. Ben Tennyson and Professor Paradox have travelled to the My Hero universe in order to find a worthy successor to wield the Omnitrix once Ben passes... and they firmly believe Izuku is worthy to inherit it.
Crossover - Ben 10 & My Hero Academia/僕のヒーローアカデミア - Rated: T - English - Sci-Fi/Adventure - Chapters: 20 - Words: 160,206 - Reviews: 142 - Favs: 374 - Follows: 482 - Updated: 11/1 - Published: 9/28/2021 - [Izuku M., Kyoka Jiro] Toshinori Y./All Might, 1-A Students
Alien kid in a Monster world by Feedbackblast18 reviews
Dan Tennyson is just your average kid that has moved to New Salem. But when he discovers a strange watch that can turn him into 10 different aliens, a whole new world opens up for him. Especially if that world has him making friends with real life monsters as well. Dan and the students of Monster High are going to find themselves on adventures around and out of this world.
Crossover - Ben 10 & Monster High - Rated: K+ - English - Adventure/Humor - Chapters: 1 - Words: 4,407 - Reviews: 3 - Favs: 11 - Follows: 11 - Published: 10/31 - OC, Clawdeen W., Spectra V.
Ben 10: Futo Adventures by Bigby the Big Bad Wolf reviews
Two-Shot Crossover, Up for Adoption. 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!
Crossover - Ben 10 & Kamen Rider - Rated: T - English - Adventure/Mystery - Chapters: 2 - Words: 22,248 - Reviews: 4 - Favs: 12 - Follows: 7 - Published: 10/31 - Ben T., Akiko N., Philip/Raito S./W, Shotaro H./W - Complete
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: 3 - Words: 3,044 - Reviews: 4 - Favs: 16 - Follows: 17 - Updated: 10/31 - Published: 10/21 - Ben T., Gwen T., Marinette D-C./Ladybug, Adrien A./Cat Noir
Security In Family's Arms by GoldGuardian2418 reviews
Vanny is back and she's after Gregory and Freddy. Can the two escape to a safe haven? Can the other animatronics be free of the Glitchtrap virus? Let's find out. :) *FNAF: Security Breach/Ben 10 crossover*
Crossover - Ben 10 & Five Nights at Freddy´s - Rated: T - English - Family/Hurt/Comfort - Chapters: 1 - Words: 5,648 - Reviews: 2 - Favs: 5 - Follows: 2 - Published: 10/31 - Rook, Freddy Fazbear, Gregory, Sun/Moon - Complete
Lost Tales Of The Two Mages by GoldGuardian2418 reviews
What if Luz wasn't the only human to come to the Boiling Isles by chance? Two universes collide, this time leaving Rachel and Lea stranded in the Boiling Isles. Will they survive and find a way home? Co-written with Redbat132. :)
Crossover - Ben 10 & Owl House - Rated: K+ - English - Friendship/Adventure - Chapters: 4 - Words: 11,482 - Reviews: 4 - Favs: 8 - Follows: 7 - Updated: 10/31 - Published: 6/20 - OC, Luz N., Eda, Hooty
A Hopeful Fright to Remember by GoldGuardian2418 reviews
When Blue Lantern Lea and Green Lantern Hal walk into a haunted fortress, they didn't expect to go to a new timeline altogether. *Ben 10/Green Lantern Animated crossover* Collab with Redbat132. :) Cover art done by alvaxerox on Deviantart. :)
Crossover - Misc. Cartoons & Ben 10 - Rated: K+ - English - Friendship/Adventure - Chapters: 1 - Words: 4,664 - Reviews: 2 - Favs: 1 - Published: 10/31 - Complete
Ben 10 meets dc superhero girls part 1 by skipper.weinkauf reviews
Ben 10 goes to another universe to meet the superhero girls, as well as other heroes throughout the multiverse
Crossover - DC Super Hero Girls & Ben 10 - Rated: K+ - English - Adventure/Sci-Fi - Chapters: 32 - Words: 108,221 - Reviews: 47 - Favs: 37 - Follows: 38 - Updated: 10/31 - Published: 2/20 - Ben T., Kara K./Supergirl, Wonder Woman, Rook
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: 10 - Words: 90,453 - Reviews: 13 - Favs: 165 - Follows: 174 - Updated: 10/31 - 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: 30 - Words: 90,026 - Reviews: 64 - Favs: 340 - Follows: 336 - Updated: 10/31 - Published: 5/11/2020 - Naruto U.
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