I've added some of my work in progress to the opening post. Nothing is set in stone there yet, but I'm working on it.
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I'm just trying to twist my mind around to how this came about so I can better image a character to fit within its framework. I'll probably file the bits I brought up for a future rp.
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Okay, magical alternate world scenario. What is the level of technology in this world? Keep in mind that most of the things in our lives were created out of need - ships, planes, cars, etc. Who needs electricity if you have magic? Want to preserve food? Make a preserving cabinet. You can put hot food in, then come back days or weeks later and the food is still hot on the plate.
Why build cars or planes if you have a flying broomstick or carpet?
Why build motors or engines if you can craft golems who do all the physical work - pumping water, winding gears to make ship's propellers turn, etc?
Why build telephones or computers if you can use crystal balls?
DO we have classes in the natural sciences?
my mindset on that stuff is 'because it's not easy to do' and 'there's potentially very bad drawbacks for doing it wrong or badly'. Part of a setting idea like this is to just accept the premise and suspend the disbelief and allow it to exist for its own sake, methinks.
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I know this was a rhetorical question, but I don't think it should be. "Magic as technology" is one approach, and many well-respected stories use it, but it's not the only way, and I don't think it's the approach @Gisk wants to take. As long as magic requires a witch, it will never replace electricity - no one's going to contract a witch every time they want to put the kettle on. To be clear, I'm not trying to argue for the superiority of either approach; I'm just not sure we're collectively on the same page about what sort of story we're trying to tell here.
Gisk, am I correct in understanding that you see the setting here as more or less like the real world?
Busy few days, ahhhhh
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OT a bit, but if you want to use real-world scientific principles, this is the first law of thermodynamics ("The energy of a closed system remains constant").
Maybe it's considered more like a private Ivy League school - difficult admissions process, requiring outstanding extracurricular activities/achievements or strong SAT/ACT/equivalent scores. It's divided a College of Theurgical and Thaumaturgical Arts which has additional requirements to get into (like how one might have to audition to get into a performing arts school, or need an impressive project on their resume to get into a technical institute) and has interdisciplinary studies within other traditional colleges, which were gradually incorporated in the 1800s/1900s as firearms industrialized, becoming more deadly and gaining equal, if not greater, footing against magic.
For the magic system, I think it makes sense for nothing to happen if you don't have enough materials - like in chemistry, when you don't have enough reagent for a reaction to continue. If you do something wrong, your magic can backfire, sometimes in improbable or bizarre ways, perhaps with even greater force than what your initial input was. A simple prank hex could become a harsh curse.
Maybe magic, like life, is just borrowed energy - as such no spell can last forever, and at some point it must decay and return its energy to nature. A magical contract can fade if it isn't "fed." Everyday enchantments need some kind of fuel to keep going - there are a variety of associated costs or sacrifices with them, but there's always a price to be paid, even if that price is trivial, silly (perhaps whimsical, even), or embraced with enthusiasm.