Chapter 634 The "Hell Level Difficulty" level that has existed since the opening of the server

The grey green fog is approaching quietly.

Looking at the wall and machine gun position close at hand, a pair of pupils hidden in the dark gradually reflected the scarlet light.

It's six o'clock. It's just nightfall in Qingquan City, and the temperature is not too cold.

Night is the best cover for the spore cloud in the air and the fruiting body in the underground passage.

The wind almost just blew that night, and the visibility of the streets in the northern suburbs has dropped to less than 50 meters in the quiet.

Gazing at her children, Thea felt quite pleased.

Only ..