Twilight has taken notice that Pinkie Pie has an extremely unusual set of abilities, and Twilight is determined to find out the source of Pinkie's Power. However, she might not like what she finds
On the verge of success, Pinkie has her most precious goal ripped from her for a third time. And for a third time, she will make them pay for what they have done. (An EQD contest entry)
The darkness calls to her. It tells her to come closer. It wants her. Why? And where are the voices coming from? She knows not the answers to these questions.
Pinkie has a secret. So far, she's kept it from everyone, but Twilight can tell that something's wrong with her. So she offers what vague support she can… until Pinkie takes her into the basement to show her.