Ponies at Dawn, Monsters at Dusk

Okay guys. There's an awesome story out by RainbowDasher21 called Ponies at Dawn, Monsters at Dusk.
It's basically about Rainbow becoming different during certain times, along with Fluttershy.
Rainbow becomes a shadowbolt sometimes, and Fluttershy morphs into Flutterbat sometimes too. Anyway, the story is awesome, the prologue is out right now, but this author is hella talented, so what are you waiting for? Go, go check it out! You don't wanna miss the awesomeness!