These are Lingyingcao, first-tier spiritual plants. Their cultivation difficulty is relatively low. After maturity, they can be used as materials for refining various healing pills and are widely used in the cultivation world.,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.,But if you want to seek the help of a senior spirit plant master, you'll have to shell out a lot of money.。