Gaming: A Discussion of Sanderson's Third Law, Storytelling Impacts, and Game Design
As a refresher, Sanderson's Third Law states: "The author should expand on what is already a part of the magic system before something entirely new is added, as this may otherwise entirely change how the magic systems fits into the fictional world." Keep in mind that I believe that you could delete the word "magic" out of most of these, or substitute in "technology" or "social order," and they'd be equally valid - it's part of why the further you get into Arthur C. Clarke's 2001 universe, the less sense it makes and the less satisfying it is, because every time the Monoliths do something, it makes less sense of their previous behavior, and despite Clarke's Law, the Monoliths are very clearly triggered by technology. Same with drow society in Menzoberranzan - it's a matriarchal theocracy, except then it turns out that there's this guild of male mercenaries that hasn't ever been crushed underfoot, and also there...