C521 Perfecting array patterns

Hearing Chu Chen's question, Huan Xingran's expression changed. This guy, he was too daring, and was the Senior Tianqiu, so he was already angry.

"Hmm?" A surprised voice sounded out from within the valley. "How did you know?"

Out of everyone's expectations, Senior Tianqiu did not get angry, but asked. It was as if Chu Chen was right.

This time, the three of them were confused