C1419 Old Urchin

After he revealed Nie Fei's method, Huang Daxian was pleasantly surprised, as if he had found a treasure. Although he was already over 80 years old, he was still as happy as a child.

It was not as if Huang Daxian had never heard of the art of disguise. Back then, he had probably already heard of this kind of thing when he was still young