how do I learn Restrain potion recipe?
I think you get that when Bernard (shopkeeper) gives you the "More Potions" quest for the first time. It's one of the first quests for him.
https://docs.google.com/spreadsheets/d/1kk1nVwdcqxsqkysRpLgMoRE0wKDOmMXYfxKpDsBlmas/edit#gid=0has all the recipes
