C365 Karst Cave

As he was searching for traces of Iron Wing, Chu Dong suddenly felt uneasy and hurriedly stopped.

But it was too late.

The darkness before his eyes was akin to a black hole. Stepping in, it was as though a mysterious force was sucking him in.

Chu Dong was shocked and hurriedly tried to break free.

However, the genetic energy was already focused on his feet