Wisps of dark smog wafted lazily around in the air.

Chu Xun's eyes glowed purple as he followed the trails of black fumes.

"Hey, where you're off to?" Yan Wushuang exclaimed.

"Shhh!" hushed Tang Rou with a finger to her lips, "Don't bother him. Big Brother is finding the tracks left by the Zombies."

Yue Fandie and everyone else silently followed Chu Xun.

After almost a half-hour, they heard the rapid bubbling of ...