Black Water Valley

war consumed every inch of this world. Nearly destroying the entire population. Rebuilding from the ground up, mankind is much more cautious. Avoiding any kind of military conflict. Settling things such as resources and borders through gladiatorial teams. The team is comprised of people to represent each district. This particular story is of the poorest district and the poorest section of that district, a valley where the water they drink is gunpowder-black.