Death To Nightmare Chapter 6
From all i've gathered you are third in line since cadance runs the crystal empire. you have got to take that position seriously."_ _"i do take my role seriously!' twilight exclaimed._ _"but not in the area of your own safety.
The Death of a Prince - ACT VI
I think his trip to the crystal empire made him feel more empowered, given he has more magical power than he thinks.
The Death of a Prince - ACT IV
Her younger brother has been to both the crystal empire and the castle of friendship. luna, i must ask something of you." celestia said softly.
Ultimate Furry Crossover: An Adult Choose Your Own Adventure - Entry 51
That little girl with the wolfie ears and tail had just laid king sombra, tyrant of the crystal empire, flat with a single punch! but her attention was soon seized by the sound of a dragon's terrible roar. it was legna!
"Science" Purpose
Like he always thought when he had seen the crystal empire, changeling hive, canterlot when he was younger and the city on the surface.
Dream of mirrors
The crystal empire sounded pretty warm right about now. "h-hello!" she yelled over the harsh snow and wind "is anypony there?" nothing but the wind. luna tried to walk through the storm but it was just too strong.
FiM: As Soft as Stone
. \* \* \* the crystal empire was a peculiar place. a small pocket of warmth and light nestled into the foothills of the northern mountains.
The Ritual Begins
"the crystal empire has fallen..." she said in the matter-of-fact tone of someone who'd gotten used to delivering bad news. "the gryphons invaded.
Rise of the Serpent Queen Chapter 6: Rebirth of the Queen (Final)
Slightly taller than the rest of her friends. "...my first shedding, the first spells i've ever cast, the many potions i've created, the first time i converted another pony, that cute earth pony i took as my mate, and that handsome pegasus from the crystal empire
Addiction
Some simply moved to other places such as cloudsdale, the crystal empire, or canterlot, while others had poured their efforts into building a new village nestled between the smokey mountains and white tail woods.
Predilection: CH 9: Blow, Blow, Thou Winter Wind
Through the old laws of succession kira is the rightful queen of the crystal empire. celestia may believe she has the right to grant the weakened empire to cadence, but in truth it does not belong under equestrian rule."
Antecedent 12
"actually, it was sprinkled with crystals imported from the crystal empire, gives the bread a very nice taste, especially to dragon-folk. but it's also expensive," firebrand explained with a nod and a smile.