For many tabletop RPG players, the joy of an in-depth game is that anything can happen. Typical adventure modules include a map of the adventure’s primary location, but every other location?whether it's a woodland clearing, a random apothecary or the depths of a temple players elect to explore?has to be improvised on the fly by the Game Master. As every GM knows, no matter how many story hooks, maps or NPCs you painstakingly create during session prep, your best-laid plans ar