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

Ben Tennyson just started his hero career at the age of 10. But he already has a pretty interesting list of villains he faced during his summertime. Many wanted to get their hands on the alien watch, Omnitrix. But today he faced the villain that aimed not just his watch but himself, Eon. During their battle they traveled through dimensions into new world, full of alot of new things

You have saw all of Danny and Penny side of the story. Now it time for what Ben and Kim time to shine

A watch-like device falls from space and attaches to Gus Dalton 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.

The last time the heroes of Earth faced a collective ambush was a dark day, a day where they had to face their own mortality, and deal with the failure in the aftermath. While the world still recovers, another baleful threat looms ahead, but this time our heroes will be ready. Ben will make sure of it.

Here is a world for both Ben 10 and mass effects Fans, but basically it like any story where ben world is gone and lives in another universe to move on from the pain

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

Ben Tennyson was abducted by aliens when he was 10 years old after accidentally received the Omnitrix, but then got rescued by Tetrax. He also brought Rook Blonko with his side. Both Ben and Rook are orphans, where Tetrax trained them to become the Galactic Guardians. Then after reaching his teen years, he received the Ultimatrix and recruiting more members.

Ben Tennyson meets Ruby Rose during his summer break, and picks up both the Omnitrix and a thrill for action. Along the way, Ben discovers new alien forms, develops new techniques to use in battle, and a blossoming romance, while also forging close bonds with his new friends. But can he and his friends handle being thrust into a conflict between good and evil? (Cover by elmike)

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.

A random dude gets isekai'd into mha with the ultimatrix this is my first fanfic so please keep that in mind while reading

Ben Tennyson never seem to run out of crazy adventures, but this has to be one of his craziest yet. When he is discovered by Night Raid, a group of assassins fighting for the Revolutionary Army, Ben must decide whether to join them or become a soldier for the corrupt Imperial Capital.

The Official Sequel to Age of Marvels, the long awaited crossover with CATWS. Two years after the events of New York, a web of conspiracies reveal dark secrets between the Plumbers and SHIELD, and an old foe resurfaces... How will these new revelations change our heroes?

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.

After defeating the Novatrons and saving the entire multiverse, the team of heroes decided to make their union official by cooperating frequently. This alliance transcends space and time, but they must first overcome their team's initial challenges if they are to become the shining example of unity that they strive to be for everyone who needs a hero.

This is a side-story that is connected to my actual story "Heroes Never Die; It's Hero Time" where Izuku has the Omnitrix. So reading the main story is necessary to understand this collection of Omakes/OVAs. I aim to post an Omake/OVA every Friday when I am unable to post a chapter for the main story. Full summary, explanation, and guid lines for suggestions are inside.

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)

El destino haberle negado su sueño, un pequeño ser extiende su mano en aquella chica la cual sería la balanza que mantendría al mundo en equilibrio con su ahora poder aferrado a su brazo izquierdo. Explorando su viaje desde el primer día que se le dio el Omnitrix hasta el final donde se mantendría en pie como la última esperanza.

The ability to negate the laws of the world is in the dreams of man since the dawn of time, many dreamed to become something different. but in another world, hand full of people with these abilities are around the world, join Ben, Zack and Koan on the adventure of the mysterious with an Unlucky girl and a man that can't die

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.

Paris, the city of love. Things used to be normal around this beautiful city, but then, darkness rises from unexpected shadows and now, the city needs hero's to save the day, and fortunately, three hero's will rise to the challenge, but one is unlike the others Disclaimer I own nothing in this fanfic except for my oc and His mom

the sequel

A poor sap gets thrown into Warhammer 40k with the Omnitrix. In the Grim Dark of Warhammer, It's time for a nobody to be a Hero!

It had been 3 years since he wore it. Since he took it off. Since he left that life behind. But with the arrival of a certain magical princess, he doesn't have a choice. He'll have to wear it again. To protect her, and everyone close to him from the upcoming chaos. Look out world, Marco X is back! (Marco x harem), (Somewhat ooc Marco). (Recalibrated Omnitrix), (Rewritten version)

During a battle with Vilgax, a freak weapon malfunction has duplicated and sent 11-year-old Ben Tennyson to another Earth, altogether. Now, not only does he have to get used to this new world, where he is found by 3 teen spy girls, but also figure out how to use the Omnitrix after it rebooted and back to 10 aliens again! This AU Ben has a different middle name from Ben Prime.