[The alchemy furnace was not large, only the size of a fist, but its internal structure was exquisitely intricate.]
[The furnace walls were covered in engraved array patterns, and at the bottom of the furnace, a faint cluster of spiritual fire was burning.]
[You needed to use this cluster of spiritual fire to refine a batch of Soul-Nurturing Pills inside the alchemy furnace.]
[The medicinal ingredients were provided by the barrier itself: three stalks of Soul-Nurturing Grass, one Spirit-Gathering Fruit, and a small pinch of Stardust Sand.]
[You took a deep breath and tossed the first stalk of Soul-Nurturing Grass into the alchemy furnace.]
[The spiritual fire leaped inside the furnace, wrapping around the Soul-Nurturing Grass.]
[Following the records in the Jade Slip, you carefully controlled the heat.]
[First, a gentle flame to slowly roast it and draw out its medicinal properties; then a fierce flame to concentrate the medicinal liquid; finally, a gentle flame again to condense the pill.]
[Every step required extremely precise control. The slightest mistake would cause the furnace to explode.]
[Fine beads of sweat seeped out across your forehead.]
[The first stalk of Soul-Nurturing Grass—you refined it too hastily, and the medicinal liquid burned.]
[The furnace exploded.]
[The spiritual fire inside the alchemy furnace suddenly jumped, spraying the dregs out and plastering your face with them.]
[Xuanyuan Tian Ji watched quietly from not far away, saying nothing.]
[You wiped the soot from your face and started over.]
[On the second furnace, you grasped the heat properly.]
[The medicinal liquid slowly concentrated inside the furnace, giving off a faint, delicate fragrance.]
[But when it came time to condense the pill, your hand trembled. The energy distribution inside the alchemy furnace lost its balance, and the pill shattered into powder.]
[The third furnace.]
[The fourth furnace.]
[The