Prequel to Chuangkong God Series: Changgu Yexue

In the Sky God System, this is a universe where light and darkness are fighting each other. The darkness thinks that the light is too self-righteous, while the light thinks that there is no good thing in the darkness, and it is no different from those monsters and demons. This prequel mainly tells the story of how Changgu Yexue became the master of the immortal world.