The most fearsome creatures ever to be encountered by an adventuring party, and what to do when you do.
-Magnus Eriksson, 2nd Ranger, Queens Shadows.
What if potions and tonics had negative side effects? Potions of increased strength cause violent tempers, or damage joints. What if potions of dexterity caused tremors, or palsy?
What if they were addictive, and had withdrawal symptoms?
Could someone make a bad batch? No one use the brown strength potion!