He was a son left on the battlefield, and was trained by Emperor Wu to become a sharp sword. A gentleman is as light as water, and he is also decisive in killing. No one knows the depth of it. He assisted the seventh prince at the command of Emperor Wu. He devoted himself to death, but no one knows why he served and what he was loyal to. Through the ages, a gentleman left the world and became independent. His reputation is promising, and he will be praised by future generations.