The Stratus Empire came into power in the Southern Continent after the tragic fall of the Naryu Empire. After many years of prosperity, it fell into disarray when the former emperor suddenly died. Currently, it is ruled by Prince Wan and is in a state of chaos due fighting within the royal family. Members of the Stratus Empire look to the past achievements of the Naryu Empire in an attempt to find a hidden treasure or weapon that could restore the empire to glory.