Drugs are balanced in such a way that at maximum they can currently give about the same as printing - having a guaranteed double collection just for a character upgrade would be way too OP, but we have some plans regarding replacing the Pharmacy skill which may help!

Drugs are balanced in such a way that at maximum they can currently give about the same as printing - having a guaranteed double collection just for a character upgrade would be way too OP, but we have some plans regarding replacing the Pharmacy skill which may help!