Not to be confused with a Wu officer of the same name. Li Su (onyomi: Ri Shuku) is an officer of Dong Zhuo who persuaded Lu Bu to joining his master. While initially loyal, he found it easier to side with Lu Bu due to their shared origins. Although he earned a place in Lu Bu's army for helping kill Dong Zhuo, Li Su was summarily executed for failing to defeat Niu Fu in battle.