Many tales mention the the two courts of Faerie. Sometimes they may be called the Seelie and the Unseelie, or perhaps the Summer Court and the Winter Court. Neither is wholly good nor wholly bad, though for humans, neither is wholly healthy.
In Lumina and the Goblin King there are two courts as well. Though I chose not to name them, for a good reason. With names, come expectations and I didn’t want to limit the story that way.
Of the two courts with which Lumina must contend, one owes its allegiance to the Goblin King; the other to the Fairy Queen, and never shall the two in friendship meet. The enmity between them is long standing, with good reason as you will learn.
The Fairy Queen’s court resides Underhill where the crystal trees grow but cast no shadows. While the dark walls of the Goblin King’s keep with its crimson banners and river of clouds, stands at the edge of the goblin’s city. Though truthfully, they are both in the land of faerie, and as such do not bend to the natural laws of the mortal realm, but rather serve as a reflection of those who rule them.
Ah, I can’t wait for you to read about them!
If your interest is piqued or you just want to learn more about fairies, goblins and the like, then here are some resources that I have used that might go a ways to satisfying your curiosity:
The Encyclopedia of Celtic Mythology and Folklore
By Patricia Monaghan
An Encyclopedia of Fairies: Hobgoblins, Brownies, Bogies, & Other Supernatural Creatures
by Katharine Briggs
Encyclopedia of Fairies in World Folklore and Mythology
By Theresa Bane
Faeries by Brian Froud and Alan Lee
Idyll Dreams & Nonsensical Things 