Daring Do hits a snag in trying to sell the Royal Museum the Golden Necklace of Pharow Underrock. Events lead her to seek the legendary Heart of Discord in the desert wastes X'ibia.of
King Sombra has returned from the shadows with his sights set on a new conquest: Princess Twilight Sparkle. In her, he sees an extraordinary talent for dark magic—one that he will not let go to waste.