C131 The Supreme Grade Marrow Cleansing Pill

"Stay quiet and bear with it!" Yang Qianshan commanded as he firmly placed his palm on Yang Zhenfeng's chest, his expression growing solemn.

A wave of relief washed over Yang Zhenfeng, not just from the healing he was receiving, but also from the realization that his grandfather, after twenty years of seclusion, had not aged a day. Instead, he looked robust