Actually, this was a special ability. By making eye contact, the user could transform into the appearance of the other person. However, the transformation could only last for three days. After this period, they would revert to their original form.
Of course, using this ability would consume a fifth of one's energy in the short term and one could only fully recover after a month. Therefore, masters from the hidden sects were cautious about using it.
Chang Huan chose to take on the appearance of Li Fei to catch him off guard. After all, if Li Fei saw Iron Crutch Li, he would definitely let his guard down. At that moment, Chang Huan could strike unexpectedly and would surely succeed in capturing him.
Although Li Fei was not a top expert, he was still Li Xunhuan's son. The latter had once been a formidable person who caused countless people to tremble with fear. As the saying goes, like father, like son. With such a heroic father, Li Fei's skills couldn't be bad.