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Guardian Digimon Book 1 Guardian of the Sea Remade by Redwallfan2000 reviews
When several evil organizations start disappearing and being quiet, Sailor Sun makes the risky choice choosing six heroes on Earth to prevent an evil Digimon's return by searching out the four special Mega Level Digimon known as Guardian Digimon. The Guardian Seekers begin their mission by searching for the first Guardain of the Sea.
Crossover - Digimon & Ben 10 - Rated: T - English - Adventure/Romance - Chapters: 19 - Words: 140,401 - Reviews: 30 - Favs: 16 - Follows: 13 - Updated: 9h - Published: 12/7/2023
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: 68 - Words: 96,374 - Reviews: 387 - Favs: 199 - Follows: 197 - Updated: 10h - Published: 12/22/2019 - [Julie Y., OC] Gentaro K./Fourze
Something Alien in Remnant by PhantomPilgrim reviews
After a skirmish and a malfunction with Vilgax and Albedo in an Alternate Timeline; Jason Moss was thrown from his own time and space and into a new world altogether Jason must now try and find a way back home; using the Omnitrix thrust upon him by his teacher and whatever he could find in a world of Grimm, Huntsman and teenagers with superpowers
Crossover - Ben 10 & RWBY - Rated: T - English - Chapters: 10 - Words: 40,669 - Reviews: 17 - Favs: 36 - Follows: 38 - Updated: 13h - Published: 10/9/2023 - OC, Ruby R., Weiss S., Blake B.
Ben 10: The One Who Defies Gods by Chris Chronos reviews
Summoned as a non-combat class to Tortus, Ben Tennyson has set off on a journey to find the meaning of his life. As his life has been gradually shaped by the people around him, he who possesses otherworldly abilities holds onto his own beliefs and logic and proceeds with his journey to find the truth of Tortus.
Crossover - Ben 10 & Arifureta Shokugyou de Sekaisaikyou/ありふれた職業で世界最強 - Rated: T - English - Fantasy/Adventure - Chapters: 12 - Words: 99,886 - Reviews: 30 - Favs: 92 - Follows: 91 - Updated: 13h - Published: 3/13/2022 - Bad Ben, Yue, H. Shea, C. Tio
Omni Hero: Deku X by blazeninja0 reviews
When Izuku was on a road trip with his grandfather and his two cousins he he found a watch that gave him powers. Izuku X Harem A Rewrite of my original Omni Hero Deku
Crossover - Ben 10 & My Hero Academia/僕のヒーローアカデミア - Rated: M - English - Sci-Fi/Adventure - Chapters: 6 - Words: 51,113 - Reviews: 15 - Favs: 124 - Follows: 136 - Updated: 19h - Published: 11/26/2023 - Izuku M.
Ben 10: Heroverse by RedVitBR reviews
What would happen if the greatest hero in the universe... was stuck in a world of heroes just as amazing as him? Follow the story of the new Alien Hero. Watch him make a great many friends! And just as many enemies. Only time will truly tell how both universes will be shaped by the arrival and absence of this teen hero.
Crossover - Ben 10 & My Hero Academia/僕のヒーローアカデミア - Rated: T - English - Adventure - Chapters: 11 - Words: 101,966 - Reviews: 92 - Favs: 273 - Follows: 309 - Updated: 7/2 - Published: 3/23/2023 - Ben T., Gwen T., Izuku M., Toshinori Y./All Might
Zero to Hero: Louise and the Omnitrix by Dan Is Here reviews
Louise, mocked as "Louise the Zero" for her magical failures, summons a mysterious device called the Omnitrix during the Familiar Summoning Ritual. Confused and panicked, she meets the enigmatic Professor Paradox, who explains its power. As she grapples with her new abilities, Louise's journey from zero to hero begins, with adventures and challenges awaiting her.
Crossover - Ben 10 & Familiar of Zero - Rated: T - English - Sci-Fi/Fantasy - Chapters: 2 - Words: 8,347 - Reviews: 11 - Favs: 41 - Follows: 51 - Updated: 7/2 - Published: 6/17 - Prof. Paradox, Louise
Omni-Boys Extra’s by AUfan62 reviews
Omni-Boys Short and Extra content that I can’t fit in my regular story. Includes some filler stuff and alternate openings.
Crossover - Ben 10 & Boys - Rated: M - English - Adventure - Chapters: 3 - Words: 11,506 - Reviews: 27 - Favs: 50 - Follows: 46 - Updated: 7/2 - Published: 3/4
And Then There Were Quirks by W.Alderson21 reviews
During a battle, Ben and Gwen Tennyson are sent through the Null Void into a new universe, one much... quirkier than their own. Follow the two cousins as they adapt to their new home and navigate the new challenges it brings, which may have more of an impact on both of them than they ever could have imagined. All together now... IT'S HERO TIME!
Crossover - Ben 10 & My Hero Academia/僕のヒーローアカデミア - Rated: T - English - Adventure - Chapters: 2 - Words: 18,155 - Reviews: 33 - Favs: 119 - Follows: 156 - Updated: 7/2 - Published: 5/24 - Ben T., Gwen T., 1-A Students, 1-B Students
The Hunter's Monomyth by i4md347h reviews
After losing to the strongest hero, Garou woke into a world so alien yet so similar. Trapped inside another, he must set out with unlikely companions to uncover the secrets of his transmigration into a world where aliens fill the stars and evil from multiple timelines endanger the universe in his journey down the path of self-discovery. By the author of The Hunter Amongst Villains.
Crossover - Ben 10 & One Punch Man/ワンパンマン - Rated: T - English - Adventure/Supernatural - Chapters: 8 - Words: 81,369 - Reviews: 226 - Favs: 654 - Follows: 663 - Updated: 7/1 - Published: 9/25/2019 - Gwen T., Kevin, Max T., Garou
The Walking Dead (Season-1) : (Omnitrix included inside) by yraj2004 reviews
What if, the day he awoke from the coma, before even reaching Atlanta, Rick came across the prototype of the Omni Matrix, changing his life even further than the state of the world around him already had.
Crossover - Walking Dead & Ben 10 - Rated: M - English - Adventure/Family - Chapters: 1 - Words: 2,828 - Reviews: 1 - Favs: 1 - Follows: 4 - Published: 7/1 - Rick G.
A Mad And Curious Meeting by GoldGuardian2418 reviews
Three boys out on an adventure get a bit more than what they bargained for when they end up at the Grant Mansion by accident. Written alongside with Redbat132. :)
Crossover - Ben 10 & Batman: The Brave and the Bold - Rated: K+ - English - Adventure/Friendship - Chapters: 7 - Words: 11,005 - Reviews: 12 - Favs: 6 - Follows: 5 - Updated: 7/1 - Published: 11/13/2023
Dekiru 10: The Symbol Of Peace And The Protector Of Earth by Phantomdanger reviews
Izuku Midoriya, previously quirkless, was offered One For All by the greatest hero, but during training, he discovered the Omnitrix. Now his on the journey to be the greatest hero, the Symbol of Peace and The protector of Earth. It's Hero Time! (Cross-posted from wattpad)
Crossover - Ben 10 & My Hero Academia/僕のヒーローアカデミア - Rated: T - English - Sci-Fi/Adventure - Chapters: 31 - Words: 250,687 - Reviews: 12 - Favs: 99 - Follows: 110 - Updated: 6/30 - Published: 5/26 - Izuku M., 1-A Students, 1-B 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: 89 - Words: 410,476 - Reviews: 38 - Favs: 60 - Follows: 47 - Updated: 6/30 - Published: 6/26/2018 - Lincoln L., Luna L., OC, Ronnie Anne S.
Avengers Season 2, Episode 2: A Ghost in the Machine by Iron117Prime reviews
They had traveled to Ben's dimension with the hope of getting some much needed R&R, while also planning their next move against the Cabal. However, it would seem their enemies had already struck, one in particular, who is about to give put a new meaning to the term 'Technological Warfare'
Crossover - Danny Phantom & Ben 10 - Rated: T - English - Adventure - Chapters: 2 - Words: 14,839 - Reviews: 26 - Favs: 49 - Follows: 40 - Updated: 6/30 - Published: 4/13 - Danny F., Ben T., Julie Y.
The Mandalorian: The Chronicles of Lun 10-Original Series by Vgn Golley reviews
Luna Loss was your average little girl until one day she was kidnapped by an alien warlord after obtaining a watch-like device that allows her to transform into aliens. After escaping into space for about two years, Luna had lost all hope of going back home...but maybe a certain Mandalorian and an alien baby Jedi could help her return to Earth? Rated M-language violence and blood.
Crossover - Ben 10 & Mandalorian - Rated: M - English - Sci-Fi/Adventure - Chapters: 43 - Words: 1,030,555 - Reviews: 153 - Favs: 125 - Follows: 108 - Updated: 6/30 - Published: 12/23/2020 - OC, The Mandalorian/Din Djarin, The Child/baby yoda
Amphibia 13! by Vgn Golley reviews
Anne and Dereck were just normal kids enjoying their average lives, until one day, they were forced by their friends to steal a musical box, and a pair of strange watches fell down from the sky as they were then transported into another world. Now watch as the kids live among the Frogs, go on adventures, and learn secrets from their Omnitrixes! Full summary in the first chapter.
Crossover - Ben 10 & Amphibia - Rated: M - English - Adventure/Sci-Fi - Chapters: 21 - Words: 310,000 - Reviews: 139 - Favs: 135 - Follows: 122 - Updated: 6/30 - Published: 6/1/2021 - [Anne, OC] Sprig, Hop Pop
A Trip to Remember by LG Shala reviews
A shape-shifting alien hero, eager to see 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: 15 - Words: 75,561 - Reviews: 55 - Favs: 41 - Follows: 39 - Updated: 6/30 - Published: 4/20/2023 - Ben T., Steven U., Lars
Owl 10 by TexMex Life reviews
a young boy is given a special watch and finds the demon realm, What happens next? find out in Owl 10.
Crossover - Ben 10 & Owl House - Rated: T - English - Sci-Fi/Family - Chapters: 6 - Words: 4,298 - Reviews: 6 - Favs: 3 - Follows: 2 - Updated: 6/30 - Published: 6/23 - [Luz N., Amity B.] OC
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: 10 - Words: 69,925 - Reviews: 484 - Favs: 982 - Follows: 1,025 - Updated: 6/30 - Published: 2/24/2023 - Naruto U., Gwen T.
We'll Carry On: An Ochako Omnitrix Story - Volume 1 by Transwiththeplans reviews
Ochako Uraraka finds herself unexpectedly taking on the mantle of the Omnitrix wielder from Ben Tennyson. As Ochako begins to explore the capabilities of the Omnitrix, she must also navigate the complex relationships and alliances, all while facing off against increasingly powerful enemies. Cover by @ZebraKnight1 on Instagram
Crossover - Ben 10 & My Hero Academia/僕のヒーローアカデミア - Rated: T - English - Adventure/Humor - Chapters: 106 - Words: 713,111 - Reviews: 151 - Favs: 212 - Follows: 196 - Updated: 6/30 - Published: 12/31/2022 - [Ochako U., Izuku M.] Ben T., Tenya I.
Priestess 10 - Christmas Boogaloo by SilverSoulmmc reviews
Yukiko doesn't wish for a lot, but what she does doesn't seem like much to others. All she wants is to celebrate her joint birthday with Ben and Gwen, and to have the Tennysons enjoy their first time in Inaba. Unfortunately, Yukiko is unaware that the holidays are known for opening up old awkward family wounds. Oh, and rouge alien attacks too.
Crossover - Ben 10 & Persona Series - Rated: T - English - Family/Drama - Chapters: 6 - Words: 28,932 - Reviews: 19 - Favs: 43 - Follows: 42 - Updated: 6/30 - Published: 1/16 - Ben T., Gwen T., Max T., Yukiko A.
Dinosaurs and Aliens by jboy44 reviews
A twist of Fate, and Max's parents were taken away, No with no family he has been adopted by the Tennyson family. Max has his dinosaurs, but his big brother has his aliens. With his new family Max is about to set out to stop prehistoric and other worldly evil, and save his birth parents from their kidnappers.
Crossover - Ben 10 & Dinosaur King - Rated: M - English - Adventure/Supernatural - Chapters: 17 - Words: 39,569 - Reviews: 54 - Favs: 18 - Follows: 17 - Updated: 6/30 - Published: 4/27 - [Ben T., OC] [Zoe D., Max T.]
Ben 10: Justice Incarnate by Firestorm808 reviews
Stranded in an unknown world, Ben must fulfill his destiny here and change history for the better. Cover image from Promsien.
Crossover - Ben 10 & Young Justice - Rated: T - English - Adventure/Humor - Chapters: 23 - Words: 85,301 - Reviews: 844 - Favs: 2,346 - Follows: 2,600 - Updated: 6/30 - Published: 3/23/2016 - Ben T.
Jack Spicer: Heylin Force by Nomadic Chaos 888 reviews
When something as simple as a change direction causes Jack to come into the possession of one of the most powerful pieces of alien technology, the misadventures and saga of an evil-genius coming into his own, and the rise of his own Legion to battle against all foes both on and off planet soon begins. Rated M for Mature Themes.
Crossover - Xiaolin Showdown & Ben 10 - Rated: M - English - Sci-Fi/Supernatural - Chapters: 5 - Words: 35,922 - Reviews: 15 - Favs: 18 - Follows: 22 - Updated: 6/29 - Published: 5/2 - Jack, Katnappe, OC
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