A three-inch long crack sprang out from the middle of the sword blade like a poisonous snake, and the wood grains that were usually covered by the scabbard were now twisted into painful faces. Ye Xuan subconsciously pressed his thumb on the crack, but was caught off guard by a wooden thorn that pierced his fingertips. The blood seeped in along the pale yellow wood grain, and was swallowed up without a trace in the blink of an eye.