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...
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.
