Storm Online — is a free-to-play fantasy role-playing game based on ancient Eastern mythology. After the death of the Great Emperor, his empire suffers a split. Despite its former greatness, four new kingdoms were formed: the Firmament, the Icy Wind, the Fiery Skies and the Gray Clouds. And a power struggle breaks out between them. You have to take one side of the conflict and try to unite the Celestial Empire.