He strode to the west side of the courtyard, crouched down, and pinched a leaf of a spirit-glow herb near the stone wall with two fingers. He carefully flipped it over on its back.,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.,He quickly returned to the house, took out a white jade box, and carefully harvested the spiritual firegrass, placing it in the jade box.。