The industrial district of Locastus, where huge, cathedral-like factories rise over the low brick houses, and tall ivy-choked chimneys spew out black smoke, day and night.
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!