Medicine Cauldron Immortality

Chen Guan, a mortal boy, accidentally saved a dying monk while collecting medicine. Before his death, the monk gave him a broken medicine cauldron, which he thought was just an ordinary utensil. Who would have thought that this medicinal cauldron could automatically purify medicinal materials and turn ten-year-old herbs into a hundred-year-old elixir! Just when he thought he could rely on alchemy to embark on a smooth road to immortality, he discovered a line of small words engraved on the bottom of the medicine cauldron: "Every time you use it once, your life will be shortened by ten years. To solve this curse, you need to find..."