Pandemonia has remained undisturbed for the longest of time, hiding under the anarchic woods of the Everfree Forest, until two poor souls find themselves stranded across the vast caverns of the Sunken Citadel.

Now, with no hope for aid, Fluttershy and Lieutenant Iron Cross must brave the horrors of its haunted streets in an attempt to flee from the Sunken Citadel. Through the haunted streets they will find heroes long since forgotten, and horrors that were never meant to be discovered.

How much will they sacrifice to escape the Sunken Citadel?