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.,Lu Xuan was just a low-level spiritual planter, from an ordinary background with limited knowledge. He wasn't sure what this black thread was all about.,After a spirit plant matures, it can be sold to shops and cultivators in the marketplace. The spirit stones obtained from this sale, besides covering rent and daily cultivation expenses, will still leave some leftover.。