Book 3: Rise of the River-Defying Sect! 

The Heavenspan Sea occupied the very center of the world. It was a vast, boundless body of golden water that not even Nascent Soul cultivators would dare to enter without some sort of magical device designed for sea travel.

Only people in the Deva Realm could possibly make an attempt at crossing the sea, and with difficulty at that.

In the east, west, south and north regions of the Heavenspan Sea, there were places where the sea water poured through openings that created four enormous rivers. Although those rivers didn’t reach the very borders of the world, they did come close.

Each of the four great rivers had a riversource sect at the base of the river, in the location where the sea and the river met. The sect which controlled the eastern river was the Starry Sky Dao Polarity Sect. After the river flowed for a certain distance, it split up into four smaller branches of the same river.

The locations where those four rivers branched off came to be known as the Middle Reaches of the cultivation world. Those...