Fellow Taoist, Can I Lend You the Golden Elixir?

Xiao Cheng's awakening system after time travel, However, the system only has a panel, and you have to explore its functions by yourself! As a science student, Xiao Cheng is an experimentalist. After several attempts, Xiao Cheng discovered Only the demon core can activate the system. As Xiao Cheng's cultivation level continues to increase, the functions of the system are continuously developed. The demon core is fine, but will the monk's golden elixir be even better? Fellow Taoist, I can lend you the golden elixir!