Rising Effort - Prologue: Stars & Embers
The two of them wasted no time and headed out of the crystal empire to the southwest, intending to turn north once they were well beyond sight.
The Guardians of Equestria - Chapter 2 – Mornings, Messages, Meetings, and Meanings…
What happened in the crystal empire showed me that sometimes you have to trust others to do things for you in order to do what's right...
Face of an Angel, Mind of a Succubus
"well, there's going to be a bachelor party in the crystal empire..." cheese began before shaking his head. "but that's not important, don't worry, there should be an antidote in here somewhere!"
Enjoy the View
He had seen the mare only once before, when she had come to equestria as an official representative of the crystal empire, the northern kingdom she ruled over.
Equestrian Knights Ch 10. A Visit From The Past
First he took over the crystal empire, declaring himself king. from his new fortress, he began attacking the rest of the world, and sought new ways of gaining more power."
Penchant: CH 9: Splish-Splash/Ultimatum
"a trip back to the crystal empire? how lovely!" rarity chimed in. celestia was looking at me strangely, so i handed off the note to rainbow for her to look at. "is this visit perhaps for something more?"
MLP: Believing in the Impossible - Chapter Nine
King sombra is banished but so is the crystal empire? if so, we can't sit idly by for a thousand years and do nothing! as they need us, we need them!
Ch. 3 The Curse of Colven
In the frozen north, in the crystal empire, princess mi amore cadenza runs for all of her life. she had come to the crystal empire to study and learn so that she may one day take over as its ruler, as was intended.
Hearthswarming Feast (MLP, Soft Vore, Digestion, Disposal)
I even called in a favor to reserve an awesome little café in the crystal empire! i got all the ingredients for a feast both of us will love!
Ingress: Sweet Seductress
"scootaloo, applebloom, rarity, applejack, and rainbow dash are all off visiting the crystal empire!" sweetie belle said with a huff, pursing her lips. "they won't be home until tomorrow afternoon. so i'm stuck here."
Diary of Dusky Celestia
Day 78 we accepted a quest for the crystal empire, we need to defeat some insects, should be easy enough. they send us three human guards, one of them left complaining something about having an artificial part.
Royal Revenge
Cadence kept blushing, protesting with herself as the pleasure continued to increase, "it's ok to want this, i won't tell the crystal empire that their princess is a little slut!"