My Little Delirium - Chapter 3
The figure in stone was imposing, wings outstretched and teeth bared, nightmare moon watched them with a menacing, if unchanging, glare.
My Little Mashup 22 - Imp Imp Imp
But i will _not_ acknowledge nightmare moon as the empress of equestria!" she gathered her magic, levitating all of the wounded. then she took to the air and headed off the way they'd come, taking them with her.
A Hundred Miles Traveled
nightmare moon. i met nightmare moon deep within the everfree forest. what would have happened had i not made that choice when i did? "it is dizzying, isn't it?
Fallout Equestria: Letters to Celestia - Foreword
Nopony knew why luna had become nightmare moon. they thought it was a tantrum, but as a thousand years had passed pony kind hadn't even remembered how bad such a war between sisters had truly been.
Home to Stay
An' it's all thanks ta nightmare moon and princess luna that we have it!"
Nightmare, Nightmare Chapter 3
One of the best perks of being nightmare moon. the freaking clones.
Between Dreams and Nightmares
Thus, nightmare moon was born. upon the night that nightmare moon was born out of princess luna's form, she made a declaration that she would no longer stand for her nights to be ignored.
Death To Nightmare Chapter 4
Many of you believe nightmare moon has returned. as you can see by dear sister luna is right here, not as her alter ego nightmare moon. besides from nightmare night she does not don that persona's form at all.
Between Dreams and nightmares Beta2
In hopes to remind or teach the subjects of the land the error of nightmare moon's ways, the moon was re-named, 'the mare in the moon,' and so it was believed that the moon would serve as nightmare moon's prison forever.
Chapter Three: Explained Extractions, Unknown Reasons (edit 2/13/2015)
The farthest back i can go is when you were sent to ponyville not long before the return of nightmare moon.
ML 1x01: Introducción / Llegada a Canterlot
Tú eres la que derrotó a discord, a nightmare moon y a otros súper-villanos. aunque seas una unicornio, eres la segunda poni que más admiro. -¿unicornio? ¿legendaria? ¿segunda mejor?
Death To Nightmare Chapter 5
"ma'am i saw it myself, nightmare moon is back but she isn't acting herself. she saved that airship and did a speech i would have expected to see princess twilight or princess cadance spout."