Jason Grace is missing, kidnapped from New Rome with no one knowing how it happened. His cousin, Percy Jackson, Son of Neptune, is going crazy trying to find him. But as new threats rise, Percy finds out that not all is as it seems, and that his search for his cousin may have to wait while he handles these new threats, both internal and external. Sequel to Vas Bellicosum.

War is coming to New Rome. When a Son of Neptune, Percy Jackson, arrives at the camp, no one knows what to expect, least of all Jason Grace, his newly found cousin. Determined to survive the coming bloodshed, the legion adapts to this new and dangerous duo. With a dark future on the horizon, only the Fates know what is coming. Imperator Jackson Series, Book 1. Roman!Percy. Preyna!