Many years ago Equestria had a holiday celebrating fears and scares under the watchful eye of Nightmare moon. Now one of the artificial alicorns thinks its time to bring it back. With the help of ghoul pegasis, she is determined to succeed
A working knowledge of Fallout Equestria, Fallout Equestria Hivemind, and of the MLP FIM episode "Luna Eclipsed" is helpful to read this story