Ultimatealien Stories

Ben is driving a while after the final battle in Ultimate Alien and ends up in a portal to another world. Ben doesn't get the new Omnitrix due to Azimuth not finishing i...

After the aftermath of his last great battle- he had finally gotten rid of Vilgax, his greatest ever enemy for good, but at what cost? Since that day, Ben 10, the infamo...

After defeating Vilgax the Conquerer, Izuku Midoriya continues on his journey to master the secrets of the Omnitrix and become the next No.1 hero in the world. He'll hav...

Ben Tennyson gets reincarnated to a female version of himself in an alternate world.

A book of various one shots and scenarios involving Charmcaster from Ben 10 and the male reader.

Earth.. Water... Fire... Air... My grandmother used to tell me the tales of a long lost civilization from long ago, from before even the First Avatar, that existed witho...

Ben Tennyson is in a world filled with superheros and it's up to him to save the day. Watch as he encounters psychic sisters, kung fu masters, cyborgs, and villains you...

Ben wasn't the only one who received a mysterious alien watch. A boy by the name Y/n L/n also had one we he found it while taking a late night walk in his hometown Bellw...

set 4 years after Gwen 10 classic. since the ending of Gwen 10 classic gwen has taken off the omnitrix, and has returned to a normal life. However when her grandpa max f...

ITS HERO TIME.. or is it Deja Vu Time? After a tussle with the mysterious contestant of the Radiant War known as Shi Jian, aka the Time Traveler, Ben starts to suddenly...

(A rewrite of my loud house x Ben 10 crossover from my old account to this new one!) Summary: Ben fights an unknown being who causes a DNA rupture in the Ultimatrix, Sen...

After Ben Tennyson loses everything precious to him to Vilgax. Ben ends up being sent to the Totally Spies Universe. Where he ends up joining W.O.O.H.P. along with Sam...

Jaune Arc lost everything. Pyrrha his partner betrayed him, his family disowned him, most of his friends left him in the dust. Only after he disappears, do his former fr...

A year after rescuing his parents from the clutches of Amanda Waller and The Suicide Squad, Ben Tennyson once again finds himself running back to where he was running aw...

After recreating a universe, Ben is sent to another universe filled with Magic, Dragons, and Demons. Watch as he battles various mages, draons and insane black mages in...

(Takes place in the Tv series) Whats better then a kid with the powers of a Spider? A kid with a watch that can transform into aliens that helps the kid with spider powe...

After a long first year of classes at UA, All Might has invited Deku and Uraraka to an early access event of the annual hero expo on I-Island where the latest in hero ge...

A young boy was saved by a God who apologize to him for his death. which was caused by the other Gods and explained why they have done it. So God is going to reincarnate...

Ben Tennyson is giving a chance to explore a whole new world filled with pirates, treasure, monstrous creatures, and so much more. Watch as he puts together the stronges...

RJ Tennyson is the younger twin of Ben Tennyson and is the only cousin Gwen likes but that doesn't mean he doesn't get along with ben in fact bens really over protective...