Under heaven, I am invincible, above heaven, one-on-one "is the line of the TV series" Fierce Knife in the Snow ",which is Xu Yanbing's famous saying and a summary of his strength.

Xu Yanbing once fought against the top ten masters of Beimang with one hand in Huangsha desert, and even beat his ten men to pieces. It was not until the appearance of the master of Temudie that he stopped him and let him return.