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« on: August 30, 2010, 09:20:17 pm »
Magic doesn't necessarily have to be about production. What if instead, it took the form of subtly altering the parameters of the environment? There wouldn't be wizards flinging around spells, but rituals, events, or just random drifts in the flow of magic could result in properties being overlaid on the fortress.
To draw on the existing ideas of divine spheres, if your fortress worships a god of fire, works with lava a lot, or has a lot of things catch on fire, the land itself might become imbued with the essence of fire, altering the weather and lowering the point at which things catch on fire, but increasing the effectiveness of smelters and forges and making dwarves that like fire happier. If your fortress worships a god of death, or a lot of creatures die, the land might become imbued with the essence of death, making dwarves die more easily and undead appear more frequently, but making butchering more effective and dwarves that like death happier.
That kind of thing would be somewhat subtle but would also have the potential to be quite significant. Depending on how significant drift is, it could also serve as a source of the unpredictable disasters some people like. Perhaps altering a world gen parameter could affect how inherently magical the world is.