Luna is banished to the moon, but she still struggles. And Celestia is steadily getting worse and worse, with no sister to comfort her. Note: This is the sequel to Darkness and Light, so if you haven't already, read that first.
As the light succumbs to the darkness at night, I succumb with it. (Formerly I-am-a-Nightmare. All of my old stories I literally did when I was 12. Please don't judge me)