A small courtyard enclosed by a wall of bluish-gray stone, about three feet long and two feet wide, with most of the area being grayish-black soil. Only a narrow path of blue stone was left in the middle.,In the grayish-black soil, some low-grade spirit plants were planted. Under the silent nourishment of the mist all night, the spirit plants radiated vitality, lazily stretching their tender green leaves.,After watering each spirit plant, Lu Xuan noticed that on a patch of Spirit Firefly Grass, tiny lights flickered constantly, as if about to fall from the leaves.。