Wei Dingguo is an accomplished general and strategist, he used to be a drill instructor in the imperial army in Lingzhou. He specializes in using fire-based weapons to attack his enemies and is thus nicknamed "General of Holy Fire". Wei Dingguo is one of the leaders of the Liangshan cavalry. Finally, he falls into a hidden pit and is killed by enemy soldiers lying in ambush during the campaign against the rebel leader Fang La.