Crossovers... we all have seen them... but what happens when each story ends...? Why Pony and Extra Universes must be cleaned... This are the Stories of the Cleaning of those situations and more.
After Princess Luna was purified, everypony thought the Nightmare was destroyed… it was, but Nightmare Night will offer it a chance to shine anew… or it would, but a certain outsider Alicorn has Something to say... it won't be pretty...
When one fateful search through the Everfree Forest leads Rarity to a secret library inhabited by the spirit of an ancient alicorn princess, she realises that it may be time to start believing in fairy tales.