Heir to the Shadows (Black Jewels, Book 2): The Black Jewels Trilogy 2

Enough time has passed for the young girl Jaenelle, heir to the magical Darkness, for her physical wounds to heal, while amnesia keeps her frightening memories at bay. But with Saetan--a Black-Jewelled Warlord Prince and Jaenelle's foster-father--to protect her, she will continue to grow. Her magic will mature. Her memories will return. And Jaenelle will face her destiny when she remembers Daemon, Saetan's son, who made the ultimate sacrifice for her love....