Long ago, far before Celestia and Luna came to power, there was an order that worshiped the moon. When Luna gained control over the moon, they worshiped her as a goddess. When she became Nightmare, they learnt dark magic to combat this new threat.
I write when I'm motivated, which, I am disappointed in myself to say, is few and far between, so don't expect chapters often. I'm also a sub par HiE writer that occasionally writes other things.