The Enclave has fallen. Twenty years later, the wasteland is showing signs of renewal. Yet something has awakened at the bottom of Mariposa, and the key to containing it is a dragoness who died more than two centuries in the past.

At the bottom of Stable 10, the great generator that has kept its residents alive for centuries is beginning to fail. As solutions are sought within, one pegasus sets her sights on the very ponies who built - and possibly sabotaged - her home.

Not all mares are created equally, and not all power armor is sized to fit. When you're too short to reach the pedals it takes a little cooperation and plenty of trust to take the next step forward.