Image imported from derpibooru 
Original Description:
 
This is a MLP AU where OCs are swapped with official characters.
 
Nyx is an intelligent unicorn who is King Firebrand’s faithful student; she was sent to Ponyvile to learn about friendship alongside her friends. At some point, Nyx turns into an alicorn and then later dubbed as the Princess of Friendship.
 
Twilight Sparkle was created by an unfinished ritual to restore Nightmare Eclipse’s power and give him a body of his own. She was found by Nyx and was raised as her own.
 
MLP belongs to Hasbro.
 
Nyx belongs to Pen Stroke
 
Bases belong to Selenade