I do not own Ben 10 or justice league although if I did then I would get a new freaking art style!

Prologue

In the forge of creation right after Aggregor knocks everyone out

Young Ben wakes up to find that everyone has been taken out of the fight "crud I'm timed out" then looked over to see the apparently good Kevin Levin and thinking of an idea he ran to him and woke Kevin up "you're the only one who can stop Aggregor absorb the power from my watch you'll have all my powers"

"He responded I hate that this is the only way" he responded with malice in his voice as he began to absorb the energy within the alien device and transformed into a slightly different shadow of his former self (including a snout like that of benwolf, Wildvine grenades on his stomach and a Cannonbolt back

Just then the 16 year old Ben began to wake to the site of his enemy turned friend mutated again. Realizing sh*t jus got real he transformed into ultimate Humongusaur and charged aggregor but got slapped so hard he flew off the mother celestialsapien's hand then everything but the mother celestialsapien went black and he heard aggregor's voice saying he won all the power of reality was his but then the mother celestialsapien let out a mighty cry and smashed aggregor

All Ben could hear was what she said next not the sound from the clap "you may have the power of a newborn but that still puts you under my level" when she opened her hands. He was no longer there.

Uhhh Ben sighed he looked up at the last celestialsapien "what happened?" He asked

She looked at him with sadness and answered "The being you know as aggregor absorbed the power of my child then erased your universe from existence"

"What do you mean he erased my universe? My friends my family they can't all be dead!

You're a celestialsapien can't you make a new universe with them in it!"

I am sorry you are the last of your kind because of my indecision this is the best I can do for you."

All he could feel was anger and sadness and nothing was there to take it out on.