Opening a Shop in the World of Immortality, at the Beginning the Fairy Comes to Ask for Elixirs

Lu Ran traveled through the world of immortality, became an alchemist, and opened an alchemy shop, specializing in buying and selling elixirs, recycling all kinds of elixirs and herbs, and purchasing various alchemy-related items. However, at the beginning, a fairy came to the door and insisted on credit. "Oh, Alchemist Lu, please give me one more credit, and I will break through the foundation building soon!" After hearing Xu Qingqing's words, Lu Ran remained expressionless, shook his head and said calmly. "That's what you said two months ago." Xu Qingqing said: "That's because I'm still settling!" "You said the same thing a month ago." Xu Qingqing: "That... That's me making final preparations!" Thinking that Xu Qingqing owed him the elixirs, Lu Ran could only lend her two more elixirs, lest she could not break through and take back all the spiritual stones. Xu Qingqing immediately said happily: "Thank you so much, Master Lu! When I make a breakthrough, I will pay you back double! I will think of you when good things happen!" At this moment, the system that had not awakened after three years of time travel was also bound at this moment. [The host can get one-tenth of the spiritual stone rebate for each transaction! For each transaction, you can get 1 energy point, and you can get up to 5 points every day. 10 Energy points can be used to draw various rewards! … With the rebate system in place, not only did Lu Ran's alchemy skills get better and better, but his martial arts value also exceeded everyone's imagination. "Aren't you a weak alchemist? What the hell is a leapfrog challenge?!" Lu Ran: "Isn't it normal for an alchemist to protect himself when he goes out?" After that, various big figures in the world of immortality came to ask for elixirs...