• Member Since 31st Oct, 2016
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Banshee531


I've always been a lover and writer of fanfiction, but it wasn't until I got into MLP that I really found something I loved writing about. Hope you all enjoy.

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This story is a sequel to The Omnitrix Hero


A month after defeating Shadow and his Negative Ten, Flash is still getting used to his new Ultimatrix. Other than that, things seem to be going well. At least until a hole opens in the sky.

Just when Flash thought he could take it easy, he finds himself meeting another teen with an alien watch. And as threats from old enemies make themselves known, the two must come together in order to save their worlds.

It's the battle of the millennium, with everything they love on the line.

Written with the help of SuperSonicHeroes

Art by SlidDiamond3214

TVTropes

Chapters (2)
Comments ( 58 )

Oh I can't wait for more!

Now Ben 10 prime is captured by Eon and the Vilgax of Flash Universe who survived and is out to get him.

Hope Flash finds the resolve to go Ultimate later and also get new aline's. I'm rooting for Feedback man.

And that something, was a giant brown dinosaur-like creature. It stood at around twelve feet in height and was wearing a bunch of black metal armor, which covered its chest, arms, knees and head. It had a long tail, which had several rock spikes sticking out the end of it. Finally, its eyes were glowing bright red.

Albeto...

11887610
No i think that's Ben being controlled by Vilgax and Eon.

Awesome story so far! Ben 10 vs Flash Sentry Ultimatrix Hero! Who will win and what is Vilgax and Eon up to?

11887702

Are you forgetting what happened to Prime Ben when the "Ultimates" are actually sentient?

And after that, he doesn't use them anymore due to this "reason".

11887717
He did use them though? After that situation Azmuth fixed that problem and was able to go ultimate with no problems for the remaining of the ultimate alien series until he got the true complete omnitrix

The coolest story has returned! Can't wait to see how this all pans out.

11887803
You said it. It's as cool like To build the winning formula and star wars one. Just hope the build story continues on. I wanna see Big mack as grease depths and Build Black Hazard form.

11887789

Hmm, really?

Different topic; Why do I have four dislikes coming out of nowhere?

You know, I remember Paradox once telling the trio and future Ben of other worlds, like a world where Gwen found the Omnitrix instead of Ben. I wonder, if he snaps out of it, will he react when he finds out someone else wields the Ultimatrix, and that seven magical girls that fight alongside him.

11887671
In a strange way, it kind of reminds me of Ben 10 vs Generator Rex.

11887854
Yeah except this time we have two Omnitrix welders

11887855
True that.

Kind of like in Omniverse where he fought against the other Ben. The guy in blue, that says "It's euro time"

What a way to start this series back up! Flash is just as great of a hero as ever, even if he hasn't used his Ultimate Forms in the past month. But now he's about to meet the prime version of Ben 10 from the canon series! Now it's a true crossover instead of just a Fusion Fic.

Plus, we have a multiversal villain team-up between Eon and Flash's Vilgax. I almost expect Eon to be a bit more hesitant about working with Vilgax again, considering what happened to him last time he teamed up with him in "And Then There Were None". But we'll see how that goes. We knew that Vilgax survived the bomb Flash strapped him to, but he clearly isn't doing so good with his new mechanical body.

Plus, the ending of Flash seeing the controlled Ben as Humungousaur reminds me of the Ben 10/Generator Rex team-up.

"Good luck," the voice replied. "And be careful." The teen gave a finger salute before leaning backwards and off the cargo ramp, causing him to fall over the edge and plummet down towards the ship.

This scene is just as cool as Bumblebee's entrance in Rise of the Beasts, both of them diving in to save the day

Man Vilgax feels more machine then man

Experienced Ben go the edge.
But Flash got his Ultimate forms but not used to them

11887826
yep after that it never happened again

Flash not wanting to use them reminds me of Ben not liking to use them

11887857
You mean Ben 23 who became rich and famous

11887890
It's actually spelt "gyro".

11887874
well this a different one and probably has something like maybe bombs putin him or something encase he tries something

I wonder if Eon and Vilgax made Ben prime to transform his Omnitrix into the Omniverse Ultimatrix like Albedo, or they happen to find a universe where there is a good Ben that sticks around with an Ultimatrix?

11887610
Maybe so, but we can't know for sure that its either Albedo or if Eon and Vilgax were able to brainwash Ben into doing their dirty work.

I hope Flash encounters some OV villains like Malware, Dr. Psychobos, Khyber & his hunter dog with the Nemetrix. Only they're from his universe.

I would like for Flash to obtain more classic aliens like Armodrillo, Atomix, Gravattack, Rath, Waterhazard, Humungousaur, Blitzwolfer, Snare-oh, Lodestar, Ditto, Nanomech, & Alien X.

11888362
as long as his dog does not have an evolution feature Flash should be able to take him and the others

11887852
I wonder if Paradox will show up to retrieve Ben

11888473
I was thinking the same thing. I mean since Eon is involved, no doubt Paradox will too.

11888545
yep unless Azmuth can do something but this feels like a tall order for him.
imagine him doing things like.
''Sorry, we've never met. Well, I have you haven't.''
''Huh.'' went Flash

11888671
Time traveling can be a massive headache.

Can you add images of Eon and the aliens that Ben uses in this episode?

It's so cool that this guy's starting up a sequel. And this time Flash has the ability become the ultimate aliens. Hopefully he doesn't end up giving them up like Ben did when he the new Omnitrix. I hope Flash's Azmuth will create a new and improved Ultimatrix.

11888362
You mean The Faction?

Oh so both meet and tell there tail. But I think Ben got a bit jealous when he found that Flash Unlocked Thirty Aliens in a month when it took him years. And he even got the Ultimatrix aswell. Wonder What Vilgax is planning but what ever it is it's not gonna be good.

11893656
Makes sense. I mean Ben got it as a kid and work hard to get at least 30 aliens.

  • The power serge unlocked more aliens for Ben.
  • He collected some DNA from Dr. Vicktor, the Werewolf and Mummy
  • Got Upchuck from Xylene
  • He got Way Big from Azimuth
  • Took it off as he grew up into a teenager.
  • His Omnitrix evolved, giving him new aliens
  • Got Nanomech from the live-action movie
  • Got Rath after the Tiffin got close to his Omnitrix
  • had to destroy it to stop Vilgax from using it and took Albeto’s Ultramatrix
  • Scan the DNA of 5 unknown aliens
  • His Future self unlock some for him
  • Scan Chamelian after he escape from Area 51
  • Got the completed Omnitrix and new aliens
  • Gain 4 new aliens and got Kickin Hawk from Liam
  • Got Ballwevil while fighting Zed
  • Regain Feedback to defeat Maltruant
  • Got Astrodactyl while fighting Attiea
  • Got Bullfrag from Azimuth
  • Got Buzzshock while fighting Not-Phil
  • Unlock Atomix from One Brain Azimuth
  • Scan Vladat and got Whampire

Now... tell me if I miss anything or is that it.

11893738
Hm I think there was Unlocked Shocksquach when he was in Rex universe.

11893738 11893740 And Gravattack when he fought Fistrick

Ooooh, now this is interesting. I can't wait to see how well they work together, as well as compare notes with others and his friends.

Here's hoping Ben's team arrive, as well as Paradox.

"Don't be so sure," Vilgax told him. "Sentry wasn't the only fool that tried to stop me in the past. He has friends that have their own strange abilities. And several of them, are infected with an energy source that'll be more than enough to power this ship. We just have to get our hands on them."

Oh boy, I don't like the sound of that.

The team-up has officially begun! Ben and Flash got along much quicker than Ben and Rex did in a similar situation. I liked watching them bond as they share alien names, how long they have been heroes for, and how quickly Flash has progressed compared to Ben and their other counterparts.

IT’S HERO TIME!!!

Wonder if Ben will use any aliens Flash never used like Wolfblitzer or Alien X. Or Gravittack, Rath or Echo echo

I can see Ben and Flash reacting to different aliens they got the way Ben did to Ben 10.000

so the main plot is to destroy Flash but Also use his friends to get the ship free

with how powerful Vilgax is i think would be a good idea if Ben helped Flash unlock atomix the way Azmuth helped him

wonder how Azmuth will take it when he learns Albedo not only alive in Ben's universe but also one of his worst enemies.
Also how crazy would things be if he showed up

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