Bloodtraitor (Book 3) (The Maeve'ra Series)

Amelia Atwater-Rhodes.

Malachi Obsidian has been his guild’s prophet ever since he was a child. Years ago, he envisioned a future in which his sister, Misha, ruled and the vampires’ empire was destroyed. His people have made many questionable decisions to keep their dream alive, and now Misha is finally on the verge of becoming queen of the serpiente, just as Malachi predicted.