C571 Blocking

Yao Ling was about to call for the guards.

However, Zhang Nan stopped Yao Ling and said, "It's too late for you to investigate. We don't know how many Dark Sorcerers have come in, nor do we know where they are hiding. Instead of investigating their location, why don't we think about their purpose in coming here?"

Yao Ling looked at the array on the ground and hesitated for a moment. In the end