Since Eternity, I Have Been Keeping Vigil at the Great Wall for Five Thousand Years

He is the night watchman on the Great Wall and the uncrowned king of the north. When a red meteor streaked across the sky, he turned around and entered the world of mortals. Back then, one of the severed tails of the ten-tailed fairy fox transformed... The reincarnation of the ancient goddess Nuwa... The corpse in the coffin of Emperor Fengdu... The red dust fairy imprisoned in a mental hospital... If you think you are a chess player, why are you not a pawn in a larger chess game?