The Thirteenth Key (Seraphine's Chosen Book #1)

“The thirteen emblems given to the original rulers weren’t just symbols. They’re keys to the Vault—one that no one’s ever opened.” Noa has lived her life as an unsuspecting, ID-burning, face in the crowd that disposes of “problems” for her miscellaneous, secretive employers. So, when Noa’s surrogate father—a Seer—hands her a long-lost emblem, telling her with his dying breath that it’s …