The Queen Mother is an extremely beautiful, mature woman who still retains her youthful appearance. She has a mesmerizing look in her eyes and a unique air of sexual sensuality. In her youth, Bi Ki possessed an innocent and almost naive outlook on her life but after going through the horrible hardships she endured during her days as a hostage in Zhao, she became cold and cruel and since becoming the Queen Mother of the State of Qin she has turned into a vain and conceited person, unable to have feelings of love and compassion. Blaming the birth of her son, Ei Sei, for her misery she bares a deep hatred for him and attempted to kill him by choking the boy to death when he was a child.