When Tirek's brother Scorpan resurrects Sombra to use him against all of Equestria, Twilight and Co must not only retrieve Sombra from his clutches, but find a way to heal the damage that's been done to the former King. Can they save him in time?
King Sombra kidnapped Princess Skyla from her crystal cradle and took her to a faraway land. She was meant to be his dark legacy. She was never meant to become his daughter.
Following his tumultuous defeat, King Sombra is flung across space and time to exit out a human's malfunctioning toaster. Now the only question is which one kills the other first? Prequel story.
For over a thousand years the crystal ponies have been frozen in time by the curse of shadows, how lucky they are. While the crystal ponies are in deep slumber, King Sombra’s thoughts are restless.
In a world of talking equines, one man must learn adjust to his new life as one of them. All while trying to control strange powers he has yet to understand.
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?
King Sombra, the tyrant of Crystal Empire is back, only to be imprisoned by princesses and put through reformation with Twilight Sparkle as his teacher. Can somepony with heart as black as night be reformed? Twilight believes so.
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?
After the events of the Crystal Empire King Sombra is found alive, living out his life in solitude. Seeking answers for why this is, Twilight goes to question him.
They say Luna turned into Nightmare Moon soon after she and her sister had taken down the Tyrant King Sombra. What they don't know is that it was more than just a coincidence. He was once the pillar that held her up. She was too much for one to bare.
King Sombra wakes up in the forest with a pounding headache and horrifying memories of what he had been. Now, he sets out not to change his past, but brighten his future.
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.
Equestria's history is catching up to the present. When Twilight Sparkle uncovers a dark crystal heart in King Sombra's tomb, she and her friends find themselves on the run from timberwolves, windigos, and Sombra himself.
With his dark past heavy on his mind, Sombra is put to the test as he begins a reformation process. Though his mind is no longer crowded with the influence of dark magic, his heart is none the lighter. Let the test begin.
Amber leaf lived a perfectly good life with Sombra and her fellow Crystal Ponies, in the Crystal Empire. She loved him, and she still does. Why did he have to study dark magic? Why?
After his death to the Crystal Heart's light, Sombra finds himself lost in a strange dark void. He walked in hopes of finding a way out, but what he found instead was a beared pony in a pointy blue hat.