C1689 Sky Race Wind Thunder Tremor

There were dozens of major cities in the Empyrean Domain, but it was obvious that dozens of major cities were not enough. Those with true strength occupied the enormous clouds in the sky. Not only that, but the more powerful the cloud space was, the larger the space became.

For example, the Radiant Holy Cicada Clan had constructed a huge city at the very center of the Empyrean Domain. However