Eternal Alchemy

After an inexplicable time travel, Lu Chen discovered that he had an elixir exchange system in his body, which could be upgraded as his cultivation level improved. It could exchange for various elixirs, which was invincible. Passerby A: "What should I do if I don't have enough talent?" Lu Chen: "Don't be afraid, one [Tongtian Pill] will make you proud of your contemporaries from now on!" Cannon Fodder B: "The training process is too boring, I really want to skip it!" Lu Chen: "No problem, one [Da Huan Dan] can be worth a month of hard training. As long as you have enough money, you can get as much as you want!" Gangster C: ... Bandit Ding: .........