Twilight's curiosity gets the better of her when she is doing some late night reading. She is looking for topics on ancient Equestrian history, the reason mainly being because the topic is not well known, and she is about to find out why.

Long ago, Equestria, before it was even called that, was a dark and twisted land, filled with much war and horrors, and Twilight wants to see exactly what it was like, even at the risk of her own innocence.

She comes to Princess Celestia with an inquiry on the subject, and she complies...