A collection of lists (30s and others) that can be referred to at the table.
What happens? Are you kidding me?
Save/Help the Halflings! They offer rewards. Material and otherwise.
Have you ever been in a position where you needed a quick break but your players were too ancy to break as well?
A civilization which constructs of irregular shapes constructed of a light metal, heaped together so that they stand on each other; these structures rattle and bend in the wind or at a push, but ultimately hang together except under heavy force (such as cannonballs, falling stones, floods)