What happens when in a Hail Mary to destroy Vilgax in their final battle, that Ben is sent hurtling across space-time throughout the Omniverse; and finds himself not only in a different one entirely...but 30,000 years in the future...Well, strap in as Ben enters into the Great Crusade and battles against the Ruinous Powers. Rated M for Mature Themes and Violence.

A watch-like device falls from space and attaches to Gus D. Porter and gives him the power to transform into different aliens. Now he, Luz Noeda, Willow, and others must work together to stop criminals in their summer vocation. (Lumity official)

Imagine Getting Both Senketsu And The Omnitrix? INSANITY! (I Own Nothing)

Ben Tennyson is your average 15 year old, but what happens when he finds the strongest device in the universe. Will he be able to do what it takes to rise to the occasion as a hero or will he fail, before he can even begin

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.

Four years have passed since Lincoln Loud discovered the Omnitrix and saved the world more times than he could count. But when his Pop-pop gets captured it's up to Lincoln to once again don the alien watch and be the hero the world needs once again.

While out on their road trip to see the universe and self-discovery, Ben and Steven detour in New Jersey to meet some friends of Ben's. And Ben steals a robot.

The Saddest Cry Baby In The World Gets The Most Powerful Weapon Ever (I Own Nothing)

In one world, two thirds of the Extella Trio are having a ball with who may be their greatest partners, Tamamo with an unlucky spiky teen with a mysterious right hand, Nero with a boy with more guts then one hundred spec ops soldiers, but what about the final member? Well she gets flung into a different world and entwines her fate with that of a young watch wearing hero of course!

Izuku Midoriya found a strange device on the beach when he was 5 and at first, he thought it was a blessing but later he thought it might be a curse. How might he become a hero with the device on his arm and will he find a new way to help others with it or will he fall into despair? Well that is up to him and his friends to decide.

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.

What if Ben was summoned as the shield hero, but instead of the Omnitrix... he had the Chaquetrix? (One-Shot fanfic)

Akame is patrolling the woods, when she finds and unkown artifact, leading to a fight with an new foe. That foe sends her to the world of Ben 10. Akame soon finds herself in a world full of aliens. She decides to join the alien force in their adventures, while trying to find a way to get home. On her adventures, she may find something more.

After being betrayed by his partner, Jaune wanders to the cliff overlooking the Emerald Forest, unaware of the life-changing event that would come his way. After being chosen to wield the Omnitrix, Jaune meets Paradox, who guides and observes the boy on his journey to becoming both a Hero on all of Remnant and, maybe, further from Remnant as well.

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

Seven teen heroes unite to form an unstoppable team against evil. With diverse powers and skills, they defend the world, blending alien forms, ghostly abilities, advanced tech, resourcefulness, intelligence, agility, and mystical powers. Their formidable alliance stands ready to face any villainous challenge, fueled by friendship and diversity. Book: 1

Something is happening at Cadmus, so Ben Tennyson, Kim Possible, and Danny Phantom must find out what they are up to. Only to find out that Aqualad, Kid Flash, and Robin are there as well. Follow as our cartoon heroes interact with the Young Justice as they find out why their villains are teaming up and working with the Light.

Just when Ben thought he was leaving Rex's world for good, something goes wrong. Instead, the portal malfunctions, causing it to pull Ben, Rex, and Alpha to an entirely new world. Heroes United must team up once more & work together to find Alpha before he does anything dangerous. In the meantime, our heroes will join the Justice League. And along the way, they might just love.

The 13th Black Crusade is tearing Cadia apart, into this meat grinder of both innocent men, women and children and the guilty arrives The Greatest Hero from another universe. A young man with a heretical watch who might just be the salvation The Imperium Of Man Needs. Ben Tennyson X Inquisitor OC.

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.

Heroes let villains get away with an awful lot. But what if a villain were to push a hero too far? When Albedo pushes Ben Tennyson past his breaking point all villains will feel the wrath of a fallen hero.

Jade has been having trouble in school lately. With parents as busy as hers, who could really blame her? With all this stress and uncertainty brought about by their daughter's behavior, what will her parents do? Send her to her uncle Jackie in... Bellwood? How will things change when a certain family gets involved in the lives of the Chan Clan from the very Beginning?

Class 1-A and a handful of teachers are whisked away to learn about the flaws of their hero society and beliefs in heroes in general. And so, two multiversal creatures show them the flaws of their hero society by learning proper hero lessons from the most unlikely place... A ten-year-old boy with a fancy watch on his wrist.

Kevin Levin has been missing for years, presumed dead. Ken Tennyson doesn't think so, and travels to Earth to look for clues. He stumbles across a large family, the only son of which has the peculiar ability to make his body take on the properties of any solid material he touches... (Adopted Lincoln AU) (Cover made by me with AI) (Cross-posted on AO3)

Gwen Stacy is chosen to become the successor of Ben Tennyson. Read and enjoy her origin as the heroine, G-Morph, and her ever-growing adventure with her arachnoid boyfriend. Mainly based on The Amazing Spider-Man movies and the MCU but has some original ideas. Peter and Gwen pairing. Inspired by The Incredible Muffin. Originally titled "Wristed Heroes"