You can't map a sense of humor. Anyway, what is a fantasy map but a space beyond which There Be Dragons? On the Discworld we know that There Be Dragons Everywhere. They might not all have scales and forked tongues, but they Be Here all right, grinning and jostling and trying to sell you souvenirs.
Terry PratchettWe've strayed into a zone with a high magical index,' he said. 'Don't ask me how. Once upon a time a really powerful magic field must have been generated here, and we're feeling the after-effects.' Precisely,' said a passing bush.
Terry PratchettDeath: "THERE ARE BETTER THINGS IN THE WORLD THAN ALCOHOL, ALBERT." Albert: "Oh, yes, sir. But alcohol sort of compensates for not getting them.
Terry PratchettSeveral sellers of hot meat pies and sausages in a bun had appeared from nowhere and were doing a brisk trade. [Footnote: They always do, everywhere. No-one sees them arrive. The logical explaination is that the franchise includes the stall, the paper hat and a small gas-powered time machine.]
Terry Pratchett