I like it
Maybe you could do something like: A virus starts conquering the world and it turns you into a creature, the longer you stay in the form of that creature the stronger you become. There’s only one creature, you just become stronger.
The alien, demon, zombie compilation is a bit random I think.
IT’S UR IDEA N TWO PEOPLE DON’T THINK THE SAME , I LIKE THE WAY SHE NARRATES THE STORY !!!