King Sombra prevailed in Starlight's alternative timeline where the Mane Six never came together. But, he was challenged by a blue magician pony whose magic he had taken away. And, his life was never the same thereafter.
Era: Post-Season 9. Index of my stories by Season.
Cover Art by Caro Asercion with rights to the cover art discussed at this link.
Discussion Concerning the Cover Art: The Magician tarot card.