Ben10ultimatealien Stories

Stranded in an unknown world, Ben must fulfill his destiny here and change history for the better. Cover image from Promsien.

After a rigorous first year at UA High School, Deku and the rest of 1A are finally on their summer break. Their vacation will be cut short however at the League of Villa...

One day your mom decides that you need Fresh Air so she calls her longtime friend Max Tensions and this summer you and Ben found both The Omnitrix but yours is evolved v...

The story of Ben and Star continues Disclaimer: This is a fanfiction, of course I dont own Ben 10 or star vs the forced of evil,

After a battle in outer space gone wrong Ben finds himself back on earth, or so he thought at first but this os a very different earth then the one he left behind, first...

It's been 5 years sense Ben took of the omnitrix and the last time. When the earth is in danger and he is called to use it again after the disappearance of his grandfath...

Princess Komand'r, heirness of the Tamaranean throne, was no more. To the eyes of anyone who knew her, she was as good as dead. And where the life of Komand'r ended, Kor...

Ben Tennyson's identity is revealed to the public. A new alien threat emerges and Aria's past comes to haunt her.

"Never before had I felt anything like this for anyone." The silver-haired sorceress declared, "Can't blame you, just look at me, I'm charming." The...

Follow the story of Belle Tennyson, a typical kid who becomes very atypical after she discovers the Omnitrix, a mysterious alien device with the power to transform the w...

Esto solo es un remake mejorado del crossover de Ben 10 y Generador Rex de una manera más mejor.

after a fight with one of his enemys ben finds himself in world simular yet differant to his own, he must adapt to his new environment. he will soon find out how differa...

I never knew my real parents, But the Tennysons found me when I was but a baby when Ben was first born, So they adopted me and Ben is now my twin brother. Now both ten y...

During that nasty confrontation at Beacon with Salem invading and, Blake encountering her Ex, Yang almost having her arm cut off, and Pyrrha almost dying at Cinder's han...

when ben tennyson finds himself in a differant universe and a differant planet he has to adapt as quickly as possible to this strange new world if he wish to survive and...

Self-explanatory; I write for all four Ben 10 Series. I'll probably mostly write BenRook and Gwevin unless I get requests for something else. That being said, requests a...

Ben will see Julie after months, due to her tournament.

Ben Tennyson famous superhero is thrown into a world full of assassin's and monsters. Seeing how corrupt this world is realizes that he can't be a hero anymore so he cas...

You know the feeling of different but you don't know why? I do. I was young. But I learned. Then he came along. Here's my story..... {Ben 10 came out in 2005 so the...

After Julie Broke up with him Benjamin "Ben" Kirby Tennyson begins Dating Jennifer Nocturne