In a time when Impure Creatures rampage across the Earth, entire cities face massacre and destruction, and the very fate of humanity hangs in the balance, Isaac Aurelio steps forward. After cultivating in secret with the support of a reptilian Avatar more terrifying than Godzilla, Isaac and his black Behemoth face this onslaught of existential threats head-on, becoming the only force with the power to strike fear into the otherworldly evil that threatens their world.