C951 The Source of the Mysterious Pill Formula.

Hearing Yan Lan's words, Wan Congfeng's face was immediately filled with astonishment.

For a moment, he wondered if his ears were playing tricks on him or if Yan Lan had just blurted out Ye Qingchen's name.

Seeing the expression on Wan Congfeng's face, Yan Lan knew that he did not believe what he had just said.

However, he did not pay too much attention to it and said indifferently