As I promised - no more colors for you! Mwhahaha! But it really saves the time.
 
Well, this my comic is heavily based on the episode of “Doctor Who” series. “Silence in the library”, just as title shows.
 
There was a very dangerous creatures called Vashta Nerada - A swarm of microscopic flash eaters. They have a shape of shadow and attached as fake shadow to it’s victim before the shadow will eat it.
 
But being a PONY, the doctor now has a super-effective weapon against them! Also Exorcist reference in that dialogue.
 
So basically it’s Fluttershy and her shadow from “Dragonshy” and Doctor Whoof.
 
Enjoy!