1.

In a ocean somewhere,

there was a person swimming while cursing

"i shouldn't have chosen to be buried in the ocean,i should have picked a mountain or a plain."

I am called 'ze' or you can call me jack.

i am currently out of my slumber in my coffin,

i buried myself because life was boring.

i don't have a memory of my birth since I had cognition.

As for why i began my slumber, it's nothing more than humans dropped nuclear bombs and brought themselves to extinction, any way it's not the first time I saw it, so i wanted to sleep until there was anything fun.

And I got my wish looking at the watch attached to the hand.

it is called Omnitrix. Yeah it's the one in ben10.
But there are no alien dna in it and it has the function to travel world.
it can collect dna or soul or information and transform the user and it consumes lifespan the most worthless thing for me.

i looked at watch and selected the world i wanted to travel "Arrow/Dc universe" and then click.
a blackhole suddenly appeared sucking me in.