After defeating Liu Bei at Battle of Xia Pi, Lu Bu had subjugated Xia Pi as part of his domain. He is now turning his attention to fight against Yuan Shu. Although Yuan Shu may not pose any challenge to him, he possesses a considerable number of army, which may be worthwhile to test his might. Yuan Shu had recently proclaimed himself as the emperor. Lu Bu wants to be the first to destroy this treacherous fiend before anyone takes the honour to do so.