In the southernmost reaches of the southernmost lands, among sun-baked golden hills and rocky ruins, the cities of Gor Kull offer travelers and citizens a plethora of sinful concoctions, powders, and draughts, born of a wicked desire to addle the mind and befuddle the eye. Yet, should ye wish to arm oneself with knowledge against such evil brews, I present such guide.
The PCs accidently start a fire and are caught by the local law enforcement. Since it was accidental, the punishment for the PCs is to fight the fire. Providing they can put it out before it burns down the town, they will not face any further punishment.