If you can deceive the enemy on the battlefield, you can defeat the enemy. Soldiers are deceivers; deception is not soldiers. The Millennium Ghost Valley is mysterious and unpredictable, and the pre-Qin battlefield is turbulent and treacherous. He is also a teacher and a friend, he is also an enemy, he is also a friend, he is also a wise man, he is also a sentimental person, and there is no distinction between man and ghost.