He had short hair and wore the standard soldier's attire.
At some point in the past, Hiri joined the Qin's army and managed to earn his place as general Chou Tou's advisor.
During the Battle of Kankoku Pass, Hiri was stationed at the center of the great wall along with general Chou Tou. On the 7th day of the battle, the Han army attacked Chou Tou's point with powerful arrows, coated with Goutangan poison. Hiri was unfortunate and got infected by the poison, which cost him his life.
Little is known about Hiri's abilities, but he can be considered quite observant and intelligent, as he was chosen by General Chou Tou himself to be his advisor.