Low (Volume 4) (Outer Aspects of Inner Attitudes) - Rick Remender

War is brewing in the deepest oceans, as the last two aquatic civilizations on earth gear up for a final, apocalyptic conflict. The surviving members of the Caine family must band together what few brave souls still carry hope for a better future in their hearts, and fight to preserve what’s left of their own humanity, before all is washed away in a torrent of fire and blood.