“ A casual remark by one of the party about something met on a previous adventure leads to a summons to and grilling by the Mages' Guild (or equivalent), probably resulting in an expedition back to that area to recover the things for study by the Guild. The party's presence will be 'requested' for this expedition.”
“ Your Pillow> This magic pillow is "+2" comfort and remains cool despite the temperature. It also shrinks to the size of a cigarette box for easy transportation. These are WILDLY popular wth those who have to travel(especially adventurers) . They command a huge price far outside it's true value , sometimes selling for thousands of gold pieces in a world where stating fighters are often equiped w +2 Swords. The method of creation is lost but sevral enterprising mages are trying to recreate this, with no success.”
“ In your world the pantheon is a rotating system of formerly human individuals. You have been selected for god-duty for the next 2,000 years. How are you going to get out of this?”