Chapter 1: Fading Faith

A pegasus named Diamond, and an earth pony named NightMare, have been at war for centuries. NightMare desperately tries to take over Sunset Valley, while her sister Diamond stops her. Diamond's injury during a battle with her sister now has her fighting for her sanity, while NightMare's parasite has gotten weaker. Will Diamond be able to fight off the Parasite that is now inside her, or will she destroy everything and everyone she loves? Will NightMare be able to finally break free from her corruption, or will she be stuck with it forever?