Chapter 2547: Let's take a film first.

"Boss, this is not the symptom of ion disorder caused by an imbalance in diet." Su Yun was also listening attentively as he raised his doubts.

Zheng Ren did not comment on Su Yun's words. Instead, he looked at master Yan in the video.

"Yes, he's in closed-door cultivation. Sometimes, he doesn't even drink porridge." Master Yan replied,"it's been five years. I don't think it has much to do with this."

"Five years ..." Zheng Ren sighed in his heart."Is this another way of living off the wind and dew?"

"What kind of external injuries did your Junior Brother have? Have you had surgery before? Have you had any blood transfusion?" Zheng Ren subconsciously followed the procedure and asked for his medical history. In his mind, he was still wondering if someone could really do that.