The Gun Kingdoms — Scott Taylor

With a world still recovering from a global war, the Samaya have prevailed and hunt the last remnants of magically adept Enlightened to extinction. Petty kingdoms, dictators, and bandit lords rise from the ashes and huge dead-zones are the new frontier for the rekindled and expanding populace. This is the Gun Kingdoms, a time of six-shooters, forbidden magic, and relics that remain from a forgotten age of war.