C2970 Stable

Yes, Heng Yanlin was really surprised.

He knew very well that Su Yu really didn't know anything about spiritual formations. Even the bewildering formation and trapping formation that he had just talked about were what he had just explained to Su Yu and Zi Mei.

But what he didn't expect was that Su Yu would actually be so smart, and his reaction speed was so fast. In the blink of an eye