Ye Chen gazed at the mark on Shangguan Xueyan’s hand.
At this moment, Shangguan Xueyan looked at Ye Chen and asked, "Master, can a mark like this really be forged?"
Ye Chen replied calmly, "This kind of mark is etched deep into the soul through a form of incantation, acting much like a shackle. If I am not mistaken, this mark will react in a specific way whenever it comes into contact with a particular type of True Qi."
Chapter 188