Society crumbled apart due to war, famine, natural disasters, and human greed, resulting in a desert wasteland covered in ruins and populated by mutations and monsters. The human survivors built new civilizations under the dominion of a Capital City, restoring and confining humanity within walls. However, discrimination, chaos, and war soon emerged from both within and outside the walls as these cities grew and modernized, and the monsters and perils across the world only grew in size and danger