C552 Wailing Ghost

It was because of this that Xu Yan's expression was so strong. No matter what, for him, it was very difficult to use his emotions to resolve things at this level. In this environment, everything that was beneficial to him would have to be used.

Perhaps it was unbelievable to say this, but Xu Yan's own thoughts were definitely like this. Many years later, this method might become useless to him