The heroes of the Vigil go to war against the corrupt rulers of Humanity. Meanwhile, rogue scientist Dr. Possum Perturbare makes a deadly miscalculation which threatens not only the Vigil, the entire human race, but the very existence of the planet Earth as well. Behold the Vigil in its greatest and final battle Behold the Vigil is the eighth novel of the Endurian Universe, and the third and last to feature the Vigil.