"The effect is so obvious!" Lou Fei'Er immediately leaned over the edge of the crystal building to look down.
The mutant creatures who originally wanted to climb up and attack them all stopped and stood motionless where they were.
The group of mutant creatures that had not yet entered the range of Crystal City were agitated and roaring, but those that had entered and were affected by Crystal City were oblivious, standing still and not moving at all.
The scene was quite eerie for a moment.
"Should we take action?" Lou Fei'Er, lying on the rooftop, pointed at the mutant creature group below like sitting ducks, asking Xu Xin in a low voice, "Are they being controlled by Crystal City? Now should be a good time to act, right?"
Jin Yue stood at the edge of the rooftop, looking down expressionlessly, ready to jump in and start attacking once Xu Xin gave the word.
"No." Xu Xin shook his head, "I said, we shouldn't attack here, it's meaningless."
"Then we..."
