Author Topic: Error in example spell "Entanglement"?  (Read 4969 times)

Offline Skimble

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Error in example spell "Entanglement"?
« on: October 09, 2012, 08:45:28 AM »
Hello all! I'm pretty new to the Dresden Files RPG (ran my first session last night) and I'm trying to get my brain around the magic system with a player of mine.

We think the example of "Entanglement" is incorrect. It states that the spell provides 1 scene of action because of the shift put into Duration, but the book says that you can increase the duration of Evocations by one Exchange per shift. If so, that would put the Duration of this spell at 1 Exchange.

Now, if the entanglement were caused by earth or branches etc. then I'd rule that it would remain after the spell itself had finished, leaving the victim needing to Manoeuvre to clear the tag, but as it is it describes a 'band of force' which should surely dissipate in the usual timeframe.

Are we right?

Offline Belial666

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Re: Error in example spell "Entanglement"?
« Reply #1 on: October 09, 2012, 09:16:18 AM »
Yep. If the spell created a real condition then the resulting aspect would have no difference than one being created with a real maneuver. I.e. if you used a 10-shift telekinetic effect to bury someone under a truck then the resulting "buried under a truck" aspect would be used for effect, resulting in a 10-shift block against movement until someone lifted the truck off the victim - which would require 10 shifts of effort.
If you used the exact same telekinetic effect to hold someone in place with magical force rather than a real condition - imposing the "magically held" aspect or a 10-shift block, then the spell would only last for as long as you fueled magic into it; 1 exchange plus the number of additional shifts you paid to extend it.




So you're right, the spell in the book should only last 2 exchanges (1 normal plus 1 for extra duration). That's a limitation magic has compared to actual skills and it is why wizards should have other skills in addition to magic. Do note however that the smart wizard should always attempt to use real effects - effectively using his magic to do skill effects rather than magic effects - when they give an advantage.
In our telekinesis example, the wizard using the TK to put a truck on the bad guy is effectively using magic to mimic a high Might skill for one action while the guy using the TK to hold someone down is building a magical block instead.

Offline Tedronai

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Re: Error in example spell "Entanglement"?
« Reply #2 on: October 09, 2012, 09:31:03 AM »
Of course, the wizard using TK to drop a truck on someone needs to have a 'truck' aspect of some kind to tag or invoke in order to make that spell work (and if I were GMing, the extended duration would be the whole of the effect that invoke would provide), while the wizard using TK directly doesn't have any such restriction.
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Offline Skimble

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Re: Error in example spell "Entanglement"?
« Reply #3 on: October 09, 2012, 09:37:15 AM »
Belial666: Thanks for an excellent and comprehensive reply. That's certainly how I thought the system worked from the previous system information (and that's definitely how it works in the novels; Harry's stated similar stuff outright in the past).

This means that for Earth users it's probably often better to erupt a chest-high wall of earth/concrete etc. from the ground than to erect a magnetic forcefield to defend him or herself, though that depends on whether movement is required at the same time or not.

I'm really loving the combat system in this game. It's appropriately 'deadly' but mitigates that with the cinematic use of Aspects and Consequences. One of my players was unlucky enough to take a six-stress hit in literally the first hour of the game last night (taking a Moderate consequence of 'Bullet in the Thigh') and I enjoyed how that spiralled into a scene where he needed to get the bullet removed and the wound taken care of. Giving the control over the exact consequence taken to the player makes them much more invested in the injury, it seems.

Best of all, a combat exchange that probably would've taken half an hour in the World of Darkness to resolve took just a few minutes and nobody got bored.

Offline Skimble

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Re: Error in example spell "Entanglement"?
« Reply #4 on: October 09, 2012, 09:41:58 AM »
Of course, the wizard using TK to drop a truck on someone needs to have a 'truck' aspect of some kind to tag or invoke in order to make that spell work (and if I were GMing, the extended duration would be the whole of the effect that invoke would provide), while the wizard using TK directly doesn't have any such restriction.

That makes sense; they certainly don't get to use the truck as an Attack because they're using it as a Block. The rules get a little fuzzy here however as certainly it would seem that you might want to combine an Attack with a Block or a Manoeuvre; I suppose the way to do that would be to just attack and suggest that a logical Consequence of being hit by a telekinetically hurled truck might be "Pinned by a truck".

I'm not sure if the system already allows for this, but what about occasions where a manoeuvre or block would logically not only apply an Aspect but also stress of some kind? e.g. a truck hurled with the intent to apply "Pinned by a truck" as a manoeuvre seems likely to also cause some stress.

Offline Tedronai

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Re: Error in example spell "Entanglement"?
« Reply #5 on: October 09, 2012, 09:48:55 AM »
That makes sense; they certainly don't get to use the truck as an Attack because they're using it as a Block. The rules get a little fuzzy here however as certainly it would seem that you might want to combine an Attack with a Block or a Manoeuvre; I suppose the way to do that would be to just attack and suggest that a logical Consequence of being hit by a telekinetically hurled truck might be "Pinned by a truck".

Actually, 'Pinned by a truck' is a horrible consequence.
Consequences are not meant to be able to be removed by a sufficient 'counter-maneuver' (such as telekinetically pushing the truck off of yourself).

I'm not sure if the system already allows for this, but what about occasions where a manoeuvre or block would logically not only apply an Aspect but also stress of some kind? e.g. a truck hurled with the intent to apply "Pinned by a truck" as a manoeuvre seems likely to also cause some stress.
I would direct you to the 'special effects' section on YS326.  These probably should not normally or easily be available to practitioners using evocation-based attacks, though.  At the very least, I would suggest requiring an invoke/tag of an appropriate aspect.
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Offline Skimble

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Re: Error in example spell "Entanglement"?
« Reply #6 on: October 09, 2012, 10:05:56 AM »
Actually, 'Pinned by a truck' is a horrible consequence.
Consequences are not meant to be able to be removed by a sufficient 'counter-maneuver' (such as telekinetically pushing the truck off of yourself).

Good point, but the basic concept of what I said is sound. "Crushed by a Truck" might work better as it's a lasting consequence even after the truck is removed. Having said that it's a bit flavourless compared to "Shattered Ribcage" or other consequences that might arise from such an attack.

I would direct you to the 'special effects' section on YS326.  These probably should not normally or easily be available to practitioners using evocation-based attacks, though.  At the very least, I would suggest requiring an invoke/tag of an appropriate aspect.

Thanks for directing me to that, it does seem appropriate. I take it that normally if a Wizard uses, say, Air magic to telekinetically hurl a knife the damage of the Evocation is added to the damage of the knife to determine its damage rating? I thought I'd seen an example of something like that in the book but on a quick scan through the relevant section just now I couldn't find it. Combining that idea with the Special Effects section I guess they would sacrifice the large damage bonus of having hurled a truck to instead inflict basic damage for the spell and also apply the Aspect of "Pinned by a truck". I do note however that quite a few shifts would be needed to lift the truck in the first place due to its mass, so the damage would be quite high anyway.

Does that seem about right or am I horrifically mangling the rules?

Offline Tedronai

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Re: Error in example spell "Entanglement"?
« Reply #7 on: October 09, 2012, 10:14:34 AM »
Damage from an attack is determined by: accuracy (in the case of evocation, this is the same as control) - defense + (if the above is at least 0) [weapon rating] - [armour rating]

damage from a Special Effect attack is: accuracy - [defense+armour rating]
what would usually be the weapon rating in such an attack is instead used to determine the difficulty to remove the resulting maneuvered aspect
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Offline Belial666

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Re: Error in example spell "Entanglement"?
« Reply #8 on: October 09, 2012, 10:44:26 AM »
If you use a spell to throw an object, you don't get any additional stress to your attack - unless you specifically tag/invoke an aspect to get a +2 to attack; you use the normal weapon rating and accuracy of your spell regardless of the object. That is explained easily enough; unless the object in question is in a specifically advantageous position for that attack (i.e. the tag or invoke of an aspect) then all the kinetic energy of the blow comes only from your spell and is exactly the same in both cases. A spell used to throw a car could crush someone with that blow. The same spell used to hurl a knife will impart the same energy to the knife and where the car slammed into the target at a few MPH, the knife will hit at a few miles per second... hitting like an antitank kinetic projectile.
The result? No matter what object you throw, the weapon rating will be the same for the same spell. The advantage of throwing objects instead of blasting directly with magic is not extra damage - it is your attack ignoring magical defenses. The target is behind a threshold? That won't mean much for that knife thrown at him at 5 miles/second. Neither will a magic circle that blocks magic or the target having outright magical immunity.

When you create special effects instead, you use your shifts of power towards that effect instead of weapon rating. Your control is no longer your attack roll because you are not attacking with the spell as a weapon. You create an effect and that effect then becomes the attack (it usually doesn't have a weapon rating)

Ditto for creating a real effect with magic as a maneuver. You don't get any bonuses in the size of the effect - you just get to treat the effect as nonmagical. If you use water magic to turn the ground into mud, it remains mud even after the spell ends (as Harry learned when the Summer Lady tried to drown him in the mud - which remained mud after the Lady left Faerie and drowned him even within a magic circle). If you use earth magic to raise a wall of stone, it remains a wall of stone. If you use fire magic to superheat some rock so it bursts from the ground in a wall of magma, it remains magma even if your spell is instantaneous (as Harry did in a certain cave) and so would turning water into ice by draining heat instead.

Last but not least, there are some more complicated spells - thaumaturgies and thaumaturgies as evocations with sequenced effects. Depending on how you build them, their effects and how they are resolved can vary wildly. For example, a thaumaturgy-as-evocation spirit spell that throws an invisible dart. Assume you got 8 power and 8 control. The spell's power is 7 shifts for a temporary veil on the dart plus 1 shift for weapon 1 on the throw itself. When you cast this spell the following happens;

1) Roll control. That is for controlling the total power and will also be your attack roll.
2) The defender rolls Awareness against the 7-shift veil to notice the dart.
3) If they noticed the dart, they roll dodge normally. If they did not, they roll a 0 for their dodge!
4) They are hit by a weapon 1, attack +8 dart. Calculate stress according to the defense they rolled.

This fairly complex spell is something someone like Molly might use and it is no less lethal for being a mostly-illusion spirit effect. It is quite effective if you expect your enemy to be a fast, agile guy (like a vampire) and also extremely effective if you want to assassinate people in broad daylight without anyone noticing it was you who killed them.

Offline Tedronai

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Re: Error in example spell "Entanglement"?
« Reply #9 on: October 09, 2012, 10:57:16 AM »
When you create special effects instead, you use your shifts of power towards that effect instead of weapon rating. Your control is no longer your attack roll because you are not attacking with the spell as a weapon. You create an effect and that effect then becomes the attack (it usually doesn't have a weapon rating)
I am unaware of support for the bolded claim.
Could you please elaborate?

Last but not least, there are some more complicated spells - thaumaturgies and thaumaturgies as evocations with sequenced effects. Depending on how you build them, their effects and how they are resolved can vary wildly. For example, a thaumaturgy-as-evocation spirit spell that throws an invisible dart. Assume you got 8 power and 8 control. The spell's power is 7 shifts for a temporary veil on the dart plus 1 shift for weapon 1 on the throw itself. When you cast this spell the following happens;

1) Roll control. That is for controlling the total power and will also be your attack roll.
2) The defender rolls Awareness against the 7-shift veil to notice the dart.
3) If they noticed the dart, they roll dodge normally. If they did not, they roll a 0 for their dodge!
4) They are hit by a weapon 1, attack +8 dart. Calculate stress according to the defense they rolled.

This fairly complex spell is something someone like Molly might use and it is no less lethal for being a mostly-illusion spirit effect. It is quite effective if you expect your enemy to be a fast, agile guy (like a vampire) and also extremely effective if you want to assassinate people in broad daylight without anyone noticing it was you who killed them.

This requires playing rather fast-and-loose with the Ambush mechanics, which may or may not be acceptable to any given gaming group.  It is by no means a clear-cut as-written option.
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Offline Skimble

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Re: Error in example spell "Entanglement"?
« Reply #10 on: October 09, 2012, 11:12:43 AM »
The result? No matter what object you throw, the weapon rating will be the same for the same spell. The advantage of throwing objects instead of blasting directly with magic is not extra damage - it is your attack ignoring magical defenses. The target is behind a threshold? That won't mean much for that knife thrown at him at 5 miles/second. Neither will a magic circle that blocks magic or the target having outright magical immunity.
That certainly makes it easier to adjudicate such events; it means I don't have to try and work out the 'weapon bonus' for a truck!

When you create special effects instead, you use your shifts of power towards that effect instead of weapon rating. Your control is no longer your attack roll because you are not attacking with the spell as a weapon. You create an effect and that effect then becomes the attack (it usually doesn't have a weapon rating)

So GM allowing they could sacrifice the 'weapon' damage of their evocation to instead create a temporary Aspect sorta-kinda per the Special Effect rules?

To use a concrete example let us say that Harry channels 6 points of Spirit to pick up a nearby SUV and hurl it at an enemy ghoul. Normally that would be a +6 damage attack (because he doesn't need to channel any of the Shifts into area effect etc.). He decides that he doesn't want to outright kill the ghoul with this attack because he wants to ask some questions, but he thinks a few broken bones might soften him up some.

He therefore decides to channel those Shifts of 'weapon damage' into creating a Special Effect/Aspect of "Pinned by an SUV". If he gets past the ghoul's defence he then applies his excess shifts as damage (as the weapon rating is now 0) and also applies the Aspect he desires. The difficulty for the Ghoul to clear the Aspect will be 6.

This example is complicated some by the fact that "Pinned by an SUV" really sounds more like a Block (against moving, if nothing else) but I'm not sure how I would resolve that element. Perhaps he could split his excess shifts between damage and a Block? That would mean he's applying an Attack, Manoeuvre and a Block all in one action (albeit at reduced efficacy for each), making it perhaps over-powered? Surely the ghoul shouldn't be able to just spend a Fate point to ignore the compel on "Pinned by a truck" when he tries to run away?

How would you chaps deal with this specific example?

The main reason I might want to allow this sort of thing is for realism. It seems likely that hurling a car at someone should have the chance of hurting them as well as applying an Aspect.

Offline Skimble

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Re: Error in example spell "Entanglement"?
« Reply #11 on: October 09, 2012, 11:49:50 AM »
Hmm, looking at the rules this sort of thing is pretty much a textbook example of an "Indirect Attack", where the two options are to either treat it as an Attack, a manoeuvre or a Block (cf "Indirect Attacks", YS209). On the other hand, weapons that do 'special effects' like a Tazer should be fairly replicable by Evocations (a bolt of electricity for example) so I'm in two minds as to whether to allow the sacrifice of damage to place Aspects on a person as well as doing any shifts of damage over and above the 'weapon damage' of the Evocation.

It does make magic more versatile and theoretically scenes more interesting though.

Offline Belial666

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Re: Error in example spell "Entanglement"?
« Reply #12 on: October 09, 2012, 02:48:25 PM »
@Tedronai;
Look up the examples of landmines and entropy curses. Those are spells where the power of the spell is its attack roll - and it is a flat number which you don't roll. It is used in Thaumaturgy because there your control rolls are usually very low for the effort you put into the spell and you don't want the effect to miss - hence the spell's huge number of shifts is an attack roll rather than weapons rating.
This is not used in evocation because usually you already have a control roll as high as the spell's power thus you put the spell's power into weapon rating. That does not mean you can't use your spell's power as an attack roll the same way you could use it as defense roll in a defensive spell if for some reason you wanted to and it was advantageous to do so.

For the second thing (the ambush scenario), someone attacking from hiding would use the ambush rules. It's just that the spell combines the hiding and the attack in a single action - and that's why it requires it to be thaumaturgy or thaumaturgy as evocation and not a simple evocation. It is still less efficient than putting on a magical veil ahead of time and then hitting the target (like Harry has had many times done to him since Summer Knight)

Offline Tedronai

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Re: Error in example spell "Entanglement"?
« Reply #13 on: October 10, 2012, 03:53:39 AM »
I must haved missed the part where you transitioned from talking about Special Effects attacks to talking about Thaumaturgical Landmines.


Allowing Thaumaturgical attacks (and even moreso with EvoThaum attacks) to make use of the Ambush rules at all is a prospect I would be highly warry of, essentially allowing the attack to target the lower of Alertness or [otherwise-appropriate-defense] at the option of the caster.
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Offline Belial666

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Re: Error in example spell "Entanglement"?
« Reply #14 on: October 10, 2012, 07:23:21 AM »
Evocation attacks already target various skills. There are examples in the book that target athletics, might and endurance.