Two years after the attack on Equestria, Queen Chrysalis finds herself broken and unable to go on, but there is hope. Discord and the original Queen Chrysalis came up with a spell many years ago, bring a girl from another dimension to Equestria, and she would become the new Queen. Though she would have the previous Queen to help her take on the ultimate disguise.
Though this is not all the new Queen faces, a dark force has risen, with power strong enough that even the old queen fears it. Their choices could affect the future of Equestria, and not just for pony and changeling, but every creature! Who will survive? And can something that the Queen has denied for so long, be the key to their success? Read on to find out!
Editor:
Knowledge (Chapter 27 and on)
Pre-readers:
Yurick45
Meep the Changeling
MuckyHusky

Gore Tag for death and slightly descriptiveness of such
Sex Tag for eventual talk of sex and implied sex.

Cover art done by me, under my nonsite name Lexni. (But if anypony feels like drawing one that pertains to the story better, feel free!)
Story takes place during Season 4 of the show. And though we might see background ponies introduced after that or some canon stuff learned after that, most changeling canon now being made in season 6 will either be used if it is still relevant to my plans, or will be ignored. (Changelings hatching into Larva for one example.)

There is only one real rule regarding changeling royalty: there must always be a queen. Twilight Sparkle is about to learn this through personal experience.

Originally written for an X Becomes a Changeling prompt almost three years ago.
Set after season three.

This story is a sequel to Rainbow Factory

Cloudsdale Weather Corporation has been running without incident for over twenty years. That is, until two foals manage to avoid being processed and find themselves in the haunted bowels of the massive facility. Can they make it out of the abandoned factory with their sanity intact? Will they uncover the secrets even a company as dark as the CWC is ashamed to keep? And what of the workers who help ensure that, in the end, not a single soul gets through...

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—[TVTropes Article]—[Plagen Shiki's Reading]—[The Song Inspired by the Story]—