Long ago, these kingdoms were disparate lands of ceaseless conflict. Then, 250 years ago, a hero named Kei appeared, ended the wars, and unified the kingdoms under her rule into a single, peaceful empire. However, as much of history attests, peace never lasts long. Two and a half centuries later, law and order have slackened, government corruption is rampant, and the empire's authority has begun to wane, teetering on the brink of an era's end.