ok so i worked hard over this crude oil equiptment trying to make sealed potion...i need 1 product from it to make it... were can i get crude oil? or make it or anything?!?! plz help.... ill buy if its cheap

p.s. r dried mush rooms real cuz go 2 holy and u will find an old woman asking for some as a quest and other mush rooms 2 make a soup... ok ty