C849 Alchemy
"Damn, why didn't you tell me earlier? "This way, when I encounter some danger or when someone is injured, I can use my alchemy knowledge to refine some medicinal pills to help them heal their wounds!"
Ye Mo felt that the System still had a lot of knowledge that it had yet to tell him!
All of these things need to be discovered by yourself, and those derived skills are very easy to think of