the air wildlife becomes vary hostile., the air in many area unbreathable, caves an hidden cities become main homes for the last humans. In a post-apocalyptic world, the air is hostile, and mutated creatures roam. Hidden cities and floating sanctuaries offer refuge, while mutant superhumans thrive in the sick zones, led by grand assassins with glowing eyes. Amidst this, vampires and ghouls form a complex society. Venomous bites turn humans into powerful vampires, who must feed on blood to sur