It started when an alien device did what it did, and stuck itself upon his wrist with secrets that hid. Now he's got superpowers he's no ordinary kid he is...Eren Yeager! The boy who swore to destroy his enemies now holds the most powerful weapon in the universe:The omnitrix. With the fate of the entire universe at stake, Eren must decide:Will he become the greatest hero or enemy?

Out of the frying pan and into the fire! In this action-adventure, sci-fi-comedy crossover, Ben Tennyson, now 17-years-old with the completed Ultimatrix was on his way home to celebrate his grandfather's birthday 67th birthday, he is teleported to an uncharted world from a solar storm to a world where mankind is at war against a race of man-eating giants.

After defeating Vilgax once and for all, Ben finds himself transported to another universe that is full of giant man-eating monsters known as Titans, and on top of that, Ben is 10 years old and has old omnitrix again

He was supposed to return back home. After helping Rex Salazar to defeat Alpha, Ben manages to put him in the Null Void but instead of ending up in Bellwood,he ends up in an alternate reality where humanity is at the brink of extinction. Perhaps with his presence,they can forge a better future for themselves.

When the last of Humanity faces Extinction against a seemingly endless force of Carnivorous giants, an ace in the hole arises in the form of a Titan...Who could change shape? With the wielder of the Omnitrix, could they begin to turn the tide of this endless war?

Annie was assigned by a mysterious figure to assassinate the universe greatest hero, Ben Tennyson. Will the holder of the Female Titan have a change or the heart to kill Ben or maybe his presence will change the female soldier for the better. (Warning M-rated: Sexual contact, strong language and violence's, including a lot of bloodshed.)

Ese día la humanidad descubrió, que su lugar en el universo era mas pequeño de lo que podrían imaginar. Tras un enfrentamiento de Ben10Mil con tres de sus enemigos, el Omnitrix es enviado a otro universo, donde un niño que lucha por la libertad encuentra un nuevo propósito.

After the defeat of Dagon, Ben Tennyson gained new model of Omnitrix having no time to prepare or use Professor Paradox arrives and tells Ben that he need to go to another world as humanity is at the verge of extinction how will the young hero survive ? [M for Mature ratings]

BAD AT SUMMARIES! JUST READ :) may contain explicit languages