Is a demon retaliating, or are there natural explanations? You decide...Warriors who take cybernetic control of predatory animals.... A wounded soldier-turned alcoholic exorcist.... Psychics learning to kill....As Nick Slate learned to wield eagles, wolves, and leopards as weapons, he became a target. Now, someone-or something demonic-wants to crush him before he can threaten the established order. To survive, Nick must master the paranormal rules of engagement to battle an unseen enemy.But he's not alone. Unexpected allies like the CIA, the Catholic Church, and the American military will rise. But enemies will masquerade as friends, and Nick's survival will depend upon discerning good from evil and deciding whom to trust.Demons clash with Christianity, psychic battles rage, and an epic journey explores mankind's understanding of truth.