The Tyrant's Mithril Mate EP 12

Betrayed and butchered by Killian, the red dragon lord she saved with her sacred silver-dragon blood, Seraphina is reborn. This time she will be no one's sacrifice. She offers her ancient healing blood to Alaric, the ruthless black dragon emperor at death's door, and binds herself to him. As his queen, she will make all who wronged her burn.