C399 inlet channel

There is a tunnel underground in this mountain stronghold. At the beginning, people built it to avoid the government, but the boss hid a lot of gunpowder in this tunnel, and their goal is to hide in this stronghold and wait for an opportunity to move. This stronghold is located at the highest point in the entire capital. As Bai Jing spoke, he took out a map that Xuan Yu used to hold in her hands