Purifying Waste Elixir and Turning Waste into Treasure

After traveling through time and becoming a sect servant with mediocre qualifications, he obtained the mysterious "Bronze Cauldron", which could purify all the "waste" in the world into "the best". From then on, even the residue of waste elixirs was regarded as the supreme immortal treasure in his mouth. Stay at the bottom and cultivate immortality steadily.