The Stars Are Dying: Special Edition (Nytefall Trilogy #1)

"Astraea is a prisoner of her own mind, the past sliding from her grasp like water. But she knows she must escape the tyrannical king who holds her captive and find her clouded memories once again. This quest leads her to the Libertatem, a succession of trials hosted by the king in which five human lands compete for a cycle of safety from the vampires seeking blood, claiming souls, and savaging after dark. But even winning the Libertatum will not keep Astraea safe from vampires"--