Shen Morong said, "Fiction of revising truth is illusory, and the alchemy of divine realm is based on scientific basis. This is the difference between the two, not to be confused.

"Scientific basis?" Chen Yang doubts.

Shen Morong said, "Alchemy is a very difficult project. In the world, there are few real alchemists and fewer good alchemists. Good medicine needs a lot of medicinal materials. But each medicine has its own toxicity and rejection. A wise alchemist can extract the essence of the medicinal materials he needs, and finally refine them into a red medicine. Do you know why you want to make medicine?

"What do you mean?" Chen Yang...