When Twilight and Applejack explore a mysterious cave on the edge of Sweet Apple Acres and things go awry, they are quite literally swept away into a world of darkness and ancient secrets. Inspired by DuoCartoonist's Children of the Night.
As the Elements of Disharmony seek out wielders among the fallen and redeemed villains of Equestrian history, the Wielders of Harmony must prepare for the coming storm.
Whose fault is insanity?...Could somepony ever lose themself within their own mind? Could they become only a figment of their own imagination, a wisp of a memory drifting in an endless abyss? And most importantly...why?