Soon as they arrived, Yuan Shao greet on Cao Cao alone and they take a seat. But Zhang Fei was anger to Yuan Shao and the other Prime Minister for not greet any response to their leader, Liu Bei. What ever other Prime Minister said to look down upon Liu Bei, Zhang Fei was anger, Guan Yu negate over Zhang Fei to draw the sword for not causing any trouble in the Headquaters(HQ). So, the seat was full, Yuan Shao ordered his army to place a new seat for Liu Bei, while his brothers stand besides. Then, the Prime Minister prepare for briefing from Cao Cao battle plan. As the battle morale started, Yuan Shao, send his first great officers for the single calvary battle on Dong Zhuo's Officer, Hua Xiong. (thetvdb.com)