Chen Yang did not know exactly what the structure of the crystal ball was, nor did he think much about it. Just touch the crystal ball with your hand after receiving it. At the same time, Chen Yang's mind fell into a clear.

It wasn't long before Chen Yang felt something wonderful. He has a close connection with the crystal ball, through which he can see some invisible microorganisms in the air, as if his eyes were through a microscope.

Chen Yang's brain clearly feels a lot of strange things.

He felt that the world around him had changed.

In the past, Chen Yang knew that there were many magnetic...