A sickness is destroying the crops. A town, wishing to avoid past horrors, seeks out daring folk to try and stop this trouble at its source. Can they find who’s to blame?
A local Wizard, rumored to have lost his mind, like he has his hand, Has issued a Challenge and a prize for all. Simple-Enter his tower and find him to claim your prize.
What about a 'criminal' society with distinct laws - for stealing, the larger the value of something stolen, the less punishment the courageous thief recieves (but must return it of course). For this pirates(?) caught petty thieves deserve to be punished harshly. If you take, you better take a lot.