The Dresden Files > DFRPG
Need advice on a fire-based defense
Lanodantheon:
--- Quote from: PapaBear on May 07, 2010, 06:14:56 AM ---Sorry, my head isn't wrapping around this shield all that well. So its essentially a probability spell that uses fire magic to affect the probability of negative outcomes? That has a Scarlet Witch vibe to it, which is neat.
--- End quote ---
Better explanation: someone shoots a gun at you, there is an infinite number of possible outcomes. This shield cleanses away the possible outcomes of the event "someone shoots a gun at you" that lead to something negative like, "You getting shot".
The possibilities left are, "The shot misses" "The gun jams" etc.
Cajun Guy:
You could use fire in the form of energy to excite the atoms of the incoming attack causing them to break apart into energy as the electrons are released. Sort of radioactivity only problrm is the same as any fire shield God helps the fool that tries to go through it. Does it count as lawbreaking if they are stupid enough to charge into an abatoir?
Lanodantheon:
--- Quote from: Cajun Guy on May 07, 2010, 07:41:52 PM ---Does it count as lawbreaking if they are stupid enough to charge into an abatoir?
--- End quote ---
Yes. It says so in the rules.
Sir lerks-a-lot:
I like all the idea's here, but the really effective defenses, the ones that aren't just veils (which is not to say that veils aren't effective defense, just that they're in another category), seem like they would be super costly in terms of power and control. Fire is probably the lest defensive of all the elements, it's a destructive force primarily, and a cleansing force secondarily. Harry himself, who seems to use fire as his primary element, uses spirit/force for defense. Unless you're really restricted to one element I would pick something else for defense.
Still I really like the idea of converting the kinetic energy of bullets and other projectiles into heat, though there are some issues with that. Assuming your still human, your in danger from the heat your shield generates. If you have to stop incoming fire from fully automatic weapons, or, say protect yourself from an explosion, you might find yourself without body hair and your clothes on fire. And what if you need to stop a fire attack? Sure you can stop whatever is on fire, petroleum jelly or whatever, but converting the kinetic energy to heat little more than a foot from you may make the attack MORE effective, not less.
paul_Harkonen:
--- Quote from: Sir lerks-a-lot on May 08, 2010, 05:26:23 PM ---Still I really like the idea of converting the kinetic energy of bullets and other projectiles into heat, though there are some issues with that. Assuming your still human, your in danger from the heat your shield generates. If you have to stop incoming fire from fully automatic weapons, or, say protect yourself from an explosion, you might find yourself without body hair and your clothes on fire. And what if you need to stop a fire attack? Sure you can stop whatever is on fire, petroleum jelly or whatever, but converting the kinetic energy to heat little more than a foot from you may make the attack MORE effective, not less.
--- End quote ---
I want to point out that Crusher_Bob's math illustrates how little danger you're actually in from this type of heat. Bullets have a fair bit of energy yes, but compared to the amount of energy it takes to heat up air (or water) it's a drop in the bucket. Course, if your shield is just trying to convert kinetic energy to heat, fire based attacks are a danger. But, you're a pyromancer, they shoot fire at you it shouldn't be that hard for you to think of ways to move that heat around to protect yourself.
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