Chapter 490 Alien Robots

• As he said that, Du Fei had already turned around, his hands paddling on the wall next to him. Using the friction force, he hurriedly backed away.
• Hearing his order, Xiao Zhan and the others hurriedly retreated as well.
• However, before everyone had time to back away, a metal door was closing down quickly just behind them, deep in the hallway that they had just passed. In a few seconds at most, this metal wall door would completely seal the exit, separating them from the large army outside in an instant.