Twilight receives a letter from Celestia and it says she must come to Canterlot alone! Of course she cannot ignore an urgent letter like that! When she gets there, is it as urgent as it seems?
Can the innocence of a young and special foal named Heart's Desire bring out the good in King Sombra, a king whose heart has been cloaked and cursed in darkness for over 1,000 years?
When an insidious evil threatens the Crystal Empire, the Princesses must call upon the most unlikely pony; Sombra. Can he overcome his own darkness in order to save the empire from a far worse one?
It is up to Twilight Sparkle to find a way to protect the Crystal Empire on her own. Yet, when its former king offers her a helping hoof, she has two choices: befriend him, or reveal him. Despite her choice, there will be consequences to face.
A human soul is stuffed into King Sombra's body. Having no idea what's going on, and thinking he is in some kind of coma, he just casually strolls into the Crystal Empire.
King Sombra finds himself in a dreaded ice cave for a short ammount of time. He manages to get out and tries to retake the Empire. After failing and being imprisoned in his horn for three years, King Sombra is forced to be reformed.
After the Crystal Empire is freed by Twilight and her friends, Luna realizes she must say a final goodbye to someone she thought had died long ago. Deep in the caves beyond the Empire, he waits for her.
When two unlikely ponies, Luna and Sombra, meet beneath the silver moon, will their love be everlasting, or will the darkness lurking in the Crystal Empire succeed in destroying them?
A mirror universe, where Nightmare Moon and her friends fight to protect the Everfree Kingdom. A powerful foe plots her revenge. Will Nightmare and her friends be able to defend their home?
Chasing a mystery into the past, Twilight finds an Equestria that is different from what she remembers. Will she be able to set history back on track by fixing what didn't happen, or is this Equestria destined to take a different path?
King Sombra has been argued as the worst villain Twilight and her friends have faced. The question remains to be asked though: What led to Sombra's reign of terror?
Before he was Sombra, he was the unicorn scholar, Crimson Crystal. When the Queen falls into a deep unknown slumber after giving birth to the new crystal princess, he is asked by the king to watch over his daughter as foal-sitter. "Oh joy"
Sombra. The name is synonymous with cruelty and hatred. Today, he is remembered as one of the greatest monsters in the history of the world, a tyrant that brutally tormented those under his power - and he has a message for Twilight Sparkle.