(No. 5 is more, students, please help the copper plate to be jacked up. It needs power.)

the dark city is located in the north of the mainland, thousands of miles away from xuan'an, and the north of the dark city is the mysterious Tana desert. The dark city, sandwiched between xuan'an and tanas desert, is a general name for a small principality. However, this principality is controlled by four forces instead of many people. It is said that there are no two tigers in a mountain, let alone the four tigers in the boundary of the dark city. Therefore, the helm of the four major forces is not located...