He joined Cao Cao since the early years of the civil war that led to the collapse of the Han Dynasty and fought in many of the campaigns that established the warlord's position as a central figure of the Three Kingdoms.
He joined Cao Cao since the early years of the civil war. This civil war led to the collapse of the Han Dynasty. This civil war fought in many of the campaigns. These campaigns established the warlord's position as a central figure of the Three Kingdoms.