Trollestia arrives in Equestria and begins replacing the girls with corrupted copies from alternate worlds. How will Twilight discover the truth and put a stop to this? With all her friends gone, she'll have to find new allies and search for a way to make things right.

Some characters borrowed or based on characters from other popular (or infamous) media throughout the fandom.

Some gore when required by the story (not written for shock value like "Cupcakes" ), mostly located in the fight sequences, and a very very minor amount of vague sexual content (seriously, this is not a clop fic!).

Also this is my first fanfic...ever...about anything. So criticism is welcome, because I have no idea what I'm doing, and the only way to fix that is be told when I mess up.

Giving credit where credit is due, aside from the characters from the show, this story has been inspired by or contains characters and elements taken from the following works:
The flash animation "Friendship is Magic Bitch" by Skaijo
The ask "Ask Princess Trollestia" tumblr by zeph-the-blue
"Cupcakes" by Sgt. Sprinkles
"Rainbow Factory" by Aurora Dawn (Parts also taken from the extended ending in the reading by MicTheMicrophone)
The "PONY.MOV" series by hotdiggedydemon
"Friendhip is Witchcraft" by Sherclop Pones
The "Lil' Miss Rarity" tumblr by Lil’ Miss JAY
Whoever made Futashy
The artwork of Ponykiller X
Also the "General Derpy" character, originating from what i'm guessing as a fanfic I never read, but must have been influenced by some fan art I ran across, because I'm noticing the bad ass Derpy with an eyepatch thing was not an original idea when I wrote it down.
and lastly Chicken Vortex for creating Slendermane