In the 14th-century historical novel `` Romance of the Three Kingdoms '' , the campaign is memorable for at least two famous incidents Catastrophe : one is Guan Yu 's slaying Killing of Hua Xiong ; the other is the three-on-one duel between the three sworn brothers ( Liu Bei , Guan Yu , Zhang Fei ) and Lü Bu .

Both incidents however , are fictional ; Hua was killed Killing in a battle Hostile_encounter against Sun Jian .