Using AD&D's Spying Table to Resolve NPC Missions: Blog of Forlorn Encystment (opens in new tab)

AD&D is a game in which the player characters are expected to overcome challenges themselves. This is made most explicit in the section on NON-PLAYER CHARACTERS, and is embodied by the guiding principle that dealing with NPCs "should be expensive and irritating" - that is, that player characters see