As expected, there were faint black lines running across the back of the leaf. If it weren't for Lu Xuan's careful attention, these hair-thin black lines would be extremely difficult to spot.,This small patch of spirit field in the courtyard was rented from a mid-stage Qi Refinement cultivator at the market, costing a hefty sum of spirit stones every month.,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.。