C899 You Have No Choice!

The moon hung high in the night sky.

Under the night sky, Ling Xiao had already used the system's Invisibility Technique.

And because of the existence of the Invisibility Technique, this heavily guarded city center was like Ling Xiao's backyard.

"I have to find one. Otherwise, if I don't even know where the citizens are trapped, what should I do?" Ling Xiao thought.

At this moment