One after another, some vigorous men shuttled between buildings like ghosts. Each of them maintained a strong vigilance. If there was any noise, they would quickly call each other to move towards that position.

Wang Ke was behind the door on the second floor of one of the three-story buildings, and his eyes flashed with murderous intent. He had now reached the level of energy refinement where he could control his own breathing. One could not even hear his breathing or ...