((Now with cover art and re-written prologue!))

After resurrecting Rainbow Dash from the Cupcakes incident, several years into the mane six's future an evil dark god named SIN is destroying their world, and turning everyone he kills into demons called Shikibane. But who is SIN? What is SIN's plans? One by one the girls, as well as Spike, meet the seven deadly sins, who each represent their darkest desires. It's only by defeating themselves can they ever hope to save their world from the darkness that SIN has shrouded it in.