C27 The Whistling Copper Rod

The black mist easily passed through the glass and charged towards Mr. Guo.

The speed was too fast, Zhou Heng didn't have time to remind him.

But Mr. Guo reacted, he grabbed the Copper Staff that was wrapped in white cloth and swung his rod towards the black mist.

He could see? Zhou Heng's mouth was wide open in shock. He had seen some ordinary people with Yin Yang Eye