One thousand years ago the Void Lords were defeated and trapped behind the Barrier, but the world's magic was corrupted in the process. Today, magic users now known as Aethyrcasters are rare, and feared by the public. As a student travels to study strange anomalies in the Barrier, a future empress seeks to tear it down, while a slave who is among the last of their race fights to save it. As their fates collide with disastrous consequences, they risk drawing the eyes of the Void Lords once more...