Song Yan called the two integrated demons to one side and asked them about the duality of the demon prison.

The Banshee nun is called Yinlan, the native land is a blue eagle. It has been put into the Banshee prison for more than two thousand years. The old Banshee nun is called Kuixi. Its body is a variant rhinoceros. He has been put into the Banshee prison for more than four thousand years. His life span has been nearly ten thousand years, and there are few years to live.

According to their description, the two-fold monster prison is divided into nine regions. The largest area is occupied by a...