chapter 1139 Qin Jiuer's operation

In the past few days, Lewis also had gained a simple understanding of the trade of the demon race.

Basically, they took Mysterious Crystal from Wuliang Mountain, sold it at the wharf in the Western Region of Spiritual World, and then brought back some clothes, seeds, and all kinds of messy things from the Western Region of Spiritual World.

Although the journey was long, the income was much higher than that of ordinary people.

There were not many caravans, but each ship was relatively...