Equestria is dying.
Nightmare Moon has been fighting in vain to try and preserve what little remains of the kingdom that she helped create.
She knows that it's a losing battle, but still she fights on.
Ironically enough, it was her own jealousy of Celestia that tore Equestria apart in the first place. Battle weary and mentally drained, she silently reflects on her past mistakes.

An audio reading by fellow Fimfiction user TheDizzyDan can be found here: https://www.youtube.com/watch?v=wnfztrsK0aY&feature=youtu.be