Lin Yun

He was first introduced when Gu Ming and Gu Xianglin came to him to give Pill Formulas and it revealed that he was behind the reason Gu Tian and Dongfang Yu-er were separated from their children because he wanted Gu Shengxiao.

Later on it was revealed that he was the person who set up the rune formation that trapped Lingxiao.

When Gu Ruoyun and her Parents came to kill the Lin Family she asked him if he felt any remorse for the innocent people Windfall Village he told her they deserved to die so she got Chi to bind him in a fire prison for a thousand years until he becomes a good for nothing and dies.