From the author of the USA Today bestselling Priest and New Camelot series comes the breathtaking finale in a high-heat, gothic, dark academia fairy tale full of lantern-lit rituals, foggy moors, and obsessions that last for a lifetime. Twelve years ago, their fates were sealed with a kiss. They are all, for better or worse, doomed to love each other until death do them part. Auden Guest's heart belongs to Proserpina...