When the universe was created, there were six anomalies, each one represented an aspect of reality, and now, they ended up in Equestria, now the forces of good and evil are fighting in order to decide the use of these powerful items, but creatures of space won't let them have it.

What will happen? Who will end up with the items? How will the universe end with the crisis at hand?

Don't mind me, I'm just writing a crossover to pay tribute to a movie that shocked me to the core, but I'll change some things in the process...
Every character will be of, at least, 20 years old, just in case.
The characters are in their anthro forms.
If you haven't seen the movie yet, don't worry, this story doesn't contain spoilers.