Traveling back to the fourth year of Chuping, I stopped in front of Cao Cao's army and said that I came from eighteen hundred years in the future. Full of disbelief, I turned to look at Cao Ang beside him: "You only have three or four years left to live." Before I finished speaking, Dian Wei drew his sword and put it against my throat - I wiped off the cold sweat and directly reported the exact date of the Battle of Wancheng in the next sentence.