Nightmare Moon, the Mare in the Moon and Equestria's bogyman. As it is for told the stars would aid in her escape. However here the thing, Princess Luna is not Nightmare Moon. She and Celestia have ruled together for a thousand years.

How was I suppose to know that helmet would cause this? Shouldn't have gone to that convention.

Displaced Nightmare Moon Story.

This story has been adopted. Warning: some changes have occurred