C704 Fictional enemy

A gloomy and cold wind swept across his face, Xia Lei's hair moved slightly.

How could there be wind in this place?

Xia Lei carefully observed the entrances of the six tunnels, and quickly discovered that the three tunnels were 1, 3, and 6, respectively. The tunnels 2, 4, and 5 were very quiet. There was no wind, nor was there any sound