Everyone knows that he is the cold-faced, ruthless and deep-fanged minion of the emperor. Legend has it that he is cruel in nature and is good at using 18 kinds of torture. He likes to torture people the most. His green-faced fangs are very scary.
Cool official? Wait a minute - he really can't afford such a shameless reputation...
As the notorious master of the Demon Palace, Yu Yan has a secret.
That is, every ten years, he will be rejuvenated because of practicing the exercises.
... This is the rebirth of childhood, and the process is too difficult to describe in detail.
Conception: