After all, the origin of the black thread is unknown, and Lu Xuan doesn't know how it corrodes the spirit glowing grass. It's okay if it works after pulling it out, but what if other spirit glowing grasses are still unavoidable from being eroded That would be heartbreaking.,"Finally, I'd managed to save up some spirit stones... I was planning on paying the spirit field rent in two months.",Lu Xuan closed the jade box and was about to leave when he suddenly discovered that where the Lingying Grass had been planted before, there was a fist-sized white light sphere. The light sphere flickered slightly, with tiny sparks of spiritual light scattering away.。