Wu Nianzhen pondered, and looked back to the left, there were many green rays of light, what did this mean?

He turned his head back to the guards on the courtyard wall who were patrolling outside.

This glance almost made him exclaim.

The figures of these people appeared in his sight, and there were red shadows.

Is this a thermal sensor?

......

Chapter 251 of "Demon Mad Doctor" Water Hell is being hit by hand, please wait a while,

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