Under the floor of the Sutra Pavilion, Zhang Xuanying, a handyman at Longhu Mountain, saw the golden thread seeping out when his predecessors wrote; from the waste in the alchemy room, he dug out the medicinal Qi that had been sealed by the flames; under the wall of the martial arts arena, he saw a crack on the "indestructible" sword shell of his senior brother that even he could not detect.
These eyes can see the "flaws" in everything in the world, but they can't see their own way out.