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.,"According to this trend, in one or two days, this plant of spirit firefly will be occupied by the black thread, and it is very likely to spread to nearby spirit firefly plants.",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.。