An Ounce of Logic
Nov. 16th, 2012 09:58 am![[identity profile]](https://www.dreamwidth.org/img/silk/identity/openid.png){kind=small}
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deathtocapslockThis is really a followup to librasmile’s comment on my last post, “Extraordinary”. What s/he said, that Aurors should have noted AK’s reflective properties, made gel some thoughts that had been floating around.
Yes, they should have. And they almost certainly did.
In fact, everyone did. They just didn’t realize the implications of what they were noticing.
Everyone in the WW understands that an AK only kills its target if it actually hits it. That’s so obvious it need not be said: no “targeted” spell will have its effect should it simply miss.
So if a targeted victim managed to duck behind a tombstone, say, no one would blink at the fact that Avada Kedavra hadn’t killed hir.
Because the spell didn’t hit the victim, see. Not because it was blocked; being blocked is different! Being blocked is when someone magical deliberately creates some magical shield preventing a spell from having its normal effect.
Thus the WW’s (and Jo’s) lack of logic and imagination manifests.
*
All the spell-lights thrown by DE’s chasing the seven Potters were green, so we assume that they were all AK’s. At least once, Harry ducked below the edge of his sidecar to avoid being hit. So Harry naively believed (or hoped) that the sidecar walls would be sufficient to block the curse.
Yet clothes, clearly, afford no protection. Nor does the air.
So, AK and some other spells, like high-velocity bullets, apparently penetrate some material objects but not others. This difference might be related to the object’s mass, or density, or some other physical characteristic.
So if anyone bothered to study the matter systematically, they’d figure out how dense a material would have to be to provide an effective shield against the AK. Would a wood or plasterboard house wall do it? A stone one? How thick?
Or what other characteristic than density is involved. Does metal block, but not stone?
(And I said the air provided no protection, nor cloth, but we don’t know if this is strictly true. If there were enough air between the caster and target, or enough cloth, would the spell dissipate? Miles, perhaps?)
There might be another issue. It seems possible that if a witch moved a real boulder into the path of an AK, the boulder would block it. But if she conjured one, would it necessarily have the mass and density of the real thing? If not, and if mass mattered, perhaps conjured objects wouldn’t work to block the AK, even when their real counterparts would….
Dumbles, note, moved an actual, physical, metal statue in front of Harry instead of conjuring a metal shield.
For all we know, the WW might know of cases where someone conjured a stone wall or a metal shield to block an AK, and the conjured barrier didn't work. And everyone in the WW agreed, “Yup, that proves it again, the Killing Curse can’t be blocked!”
This supposition fits nicely with the WW’s obvious prejudice against non-magical solutions. The Philosophy of the Mundane: Why Wizards Prefer Not to Know! Acknowledge that the strongest magical shield can’t block this curse, but any old solid physical object can (if it’s dense enough)? That a non-magical solution can work better? That the prime minister, travelling in her armored car, is better protected from one form of magical attack than the minister for magic on his broom?
What self-respecting witch or wizard could bear to think such a thing?
*.
Nor, note, does the spell’s force apparently dissipate in sterilizing the thin column of air through which it travels. Killing all those microbes didn’t use up any force at all? Yet Fawkes the phoenix was able to use up the charge on a Killing Curse aimed specifically at Dumbles by taking it himself. (I think Hedwig’s case is inconclusive—the question is not so much whether AK can kill an animal in its path—we know it can—as whether its force would be used up in doing so. In the book, unlike the movie, the owl didn’t intercept an AK aimed at a human. Nor was Barty’s teaching AK aimed so as to hit a child if the spider’s death didn’t use up its force, and anyway we don’t know if he cast it with human-killing strength….)
So either the Killing Curse doesn’t kill microorganisms, gnats, etc., or a human-strength one isn’t used up by killing them. More likely the latter. (Although, if the former, the secret of the immunity of the Seven Potters to all those AK’s being thrown about is explained: it was a muggy summer night, and the fighters were low enough to the ground that almost all those AK’s being thrown about were expended in mosquito-killing.)
How big (or how magically important) does a creature have to be to block (by using up in its own death) a human-strength AK? We know that microorganisms absolutely do not block it, and that a phoenix (or, at least, Dumbledore’s phoenix) does.
What about that fox? A Grim? A cat? A Kneazle? A crow? An augery?
What about Cedric’a transfigured-from-a-boulder dog, then?
If I transfigure my jumper (clothing—doesn’t block AK) into a kitten, would the kitten’s death protect me?
How about if I transfigure dust motes into gnats—enough gnats!—can I block an AK?
Moreover, Barty Jr. told Harry’s class that if the students all cast AK at him, they wouldn’t give him so much as a nosebleed.
Barty said nothing about not suffering a subsequent stomach-ache, or bout of diarrhea.
Could a student AK have killed the microorganisms normally present on human skin? Or in Barty’s gut?
Could Avada Kedavra provide a healthful alternative to pasteurization, microwaving foods to make them shelf-stable, canning, using poisons as disinfectants, and all those other techniques we Muggles use for sterilization that have the unfortunate effect of causing physical, chemical, and/or nutrtional changes in the target? I bet AK leaves the antioxidants intact, and creates no trans-fats!
What about as a substitute for pesticides and antibiotics? Could a weak AK kill a plague of locusts? Or plague bacilli in an infected victim?
Without the danger of the targeted organisms developing resistance….
Does the Killing Curse kill plants? Could I use it for weeding?
If not, why not, when it kills foxes, birds, and spiders? Its effect can’t be related to anything uniquely human, such as, say, a soul.
This all begs to be studied scientifically. But alas, most wizards and witches haven’t an ounce of logic. And the only one we knew who retained some through his Hogwarts conditioning is allegedly dead….
*
Back to Dumbles, though.
Dumbles probably realized, eventually, from studying Harry’s memory of Tom’s attack, that the fact that AK can be bounced or blocked accidentally by physical objects meant that one could use the same effect deliberately.
And Albus never saw fit to share that loophole with the rest of the WW—not with the Aurors, not with the Order, not with the children he taught to believe the Killing Curse unblockable.
He kept it as his own secret defense.
Yes, they should have. And they almost certainly did.
In fact, everyone did. They just didn’t realize the implications of what they were noticing.
Everyone in the WW understands that an AK only kills its target if it actually hits it. That’s so obvious it need not be said: no “targeted” spell will have its effect should it simply miss.
So if a targeted victim managed to duck behind a tombstone, say, no one would blink at the fact that Avada Kedavra hadn’t killed hir.
Because the spell didn’t hit the victim, see. Not because it was blocked; being blocked is different! Being blocked is when someone magical deliberately creates some magical shield preventing a spell from having its normal effect.
Thus the WW’s (and Jo’s) lack of logic and imagination manifests.
*
All the spell-lights thrown by DE’s chasing the seven Potters were green, so we assume that they were all AK’s. At least once, Harry ducked below the edge of his sidecar to avoid being hit. So Harry naively believed (or hoped) that the sidecar walls would be sufficient to block the curse.
Yet clothes, clearly, afford no protection. Nor does the air.
So, AK and some other spells, like high-velocity bullets, apparently penetrate some material objects but not others. This difference might be related to the object’s mass, or density, or some other physical characteristic.
So if anyone bothered to study the matter systematically, they’d figure out how dense a material would have to be to provide an effective shield against the AK. Would a wood or plasterboard house wall do it? A stone one? How thick?
Or what other characteristic than density is involved. Does metal block, but not stone?
(And I said the air provided no protection, nor cloth, but we don’t know if this is strictly true. If there were enough air between the caster and target, or enough cloth, would the spell dissipate? Miles, perhaps?)
There might be another issue. It seems possible that if a witch moved a real boulder into the path of an AK, the boulder would block it. But if she conjured one, would it necessarily have the mass and density of the real thing? If not, and if mass mattered, perhaps conjured objects wouldn’t work to block the AK, even when their real counterparts would….
Dumbles, note, moved an actual, physical, metal statue in front of Harry instead of conjuring a metal shield.
For all we know, the WW might know of cases where someone conjured a stone wall or a metal shield to block an AK, and the conjured barrier didn't work. And everyone in the WW agreed, “Yup, that proves it again, the Killing Curse can’t be blocked!”
This supposition fits nicely with the WW’s obvious prejudice against non-magical solutions. The Philosophy of the Mundane: Why Wizards Prefer Not to Know! Acknowledge that the strongest magical shield can’t block this curse, but any old solid physical object can (if it’s dense enough)? That a non-magical solution can work better? That the prime minister, travelling in her armored car, is better protected from one form of magical attack than the minister for magic on his broom?
What self-respecting witch or wizard could bear to think such a thing?
*.
Nor, note, does the spell’s force apparently dissipate in sterilizing the thin column of air through which it travels. Killing all those microbes didn’t use up any force at all? Yet Fawkes the phoenix was able to use up the charge on a Killing Curse aimed specifically at Dumbles by taking it himself. (I think Hedwig’s case is inconclusive—the question is not so much whether AK can kill an animal in its path—we know it can—as whether its force would be used up in doing so. In the book, unlike the movie, the owl didn’t intercept an AK aimed at a human. Nor was Barty’s teaching AK aimed so as to hit a child if the spider’s death didn’t use up its force, and anyway we don’t know if he cast it with human-killing strength….)
So either the Killing Curse doesn’t kill microorganisms, gnats, etc., or a human-strength one isn’t used up by killing them. More likely the latter. (Although, if the former, the secret of the immunity of the Seven Potters to all those AK’s being thrown about is explained: it was a muggy summer night, and the fighters were low enough to the ground that almost all those AK’s being thrown about were expended in mosquito-killing.)
How big (or how magically important) does a creature have to be to block (by using up in its own death) a human-strength AK? We know that microorganisms absolutely do not block it, and that a phoenix (or, at least, Dumbledore’s phoenix) does.
What about that fox? A Grim? A cat? A Kneazle? A crow? An augery?
What about Cedric’a transfigured-from-a-boulder dog, then?
If I transfigure my jumper (clothing—doesn’t block AK) into a kitten, would the kitten’s death protect me?
How about if I transfigure dust motes into gnats—enough gnats!—can I block an AK?
Moreover, Barty Jr. told Harry’s class that if the students all cast AK at him, they wouldn’t give him so much as a nosebleed.
Barty said nothing about not suffering a subsequent stomach-ache, or bout of diarrhea.
Could a student AK have killed the microorganisms normally present on human skin? Or in Barty’s gut?
Could Avada Kedavra provide a healthful alternative to pasteurization, microwaving foods to make them shelf-stable, canning, using poisons as disinfectants, and all those other techniques we Muggles use for sterilization that have the unfortunate effect of causing physical, chemical, and/or nutrtional changes in the target? I bet AK leaves the antioxidants intact, and creates no trans-fats!
What about as a substitute for pesticides and antibiotics? Could a weak AK kill a plague of locusts? Or plague bacilli in an infected victim?
Without the danger of the targeted organisms developing resistance….
Does the Killing Curse kill plants? Could I use it for weeding?
If not, why not, when it kills foxes, birds, and spiders? Its effect can’t be related to anything uniquely human, such as, say, a soul.
This all begs to be studied scientifically. But alas, most wizards and witches haven’t an ounce of logic. And the only one we knew who retained some through his Hogwarts conditioning is allegedly dead….
*
Back to Dumbles, though.
Dumbles probably realized, eventually, from studying Harry’s memory of Tom’s attack, that the fact that AK can be bounced or blocked accidentally by physical objects meant that one could use the same effect deliberately.
And Albus never saw fit to share that loophole with the rest of the WW—not with the Aurors, not with the Order, not with the children he taught to believe the Killing Curse unblockable.
He kept it as his own secret defense.
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no subject
Date: 2012-11-17 07:14 am (UTC)Dumbles probably realized, eventually, from studying Harry’s memory of Tom’s attack, that the fact that AK can be bounced or blocked accidentally by physical objects meant that one could use the same effect deliberately.
We don't know when or where he learned that, but I agree that prior to the duel with Tom at the Ministry he had very few (if any) personal encounters with the AK. He may have learned about reflected AKs from the three-way duel in which, eventually, Ariana died (we know this duel included a Cruciatus, perhaps one of the participants escalated it further?). I doubt there were any AKs in his final showdown with Gellert in 1945, and after that Albus avoided fighting until the Ministry. OTOH as leader of the Order he may have collected memories from other people's battle scenes.
no subject
Date: 2012-11-17 09:09 pm (UTC)Do we ever see Dumbledore share anything with the children he teaches?
There are so many things that Dumbledore knows that would help the students at Hogwarts. but . . . he keeps it all to himself
no subject
Date: 2012-11-23 10:04 pm (UTC)Surely the Aurors would know, though, that if you duck behind something solid you'll be OK?
no subject
Date: 2012-11-24 06:06 pm (UTC)And later he taught him some Dark Arts theory - skipping some essential parts.
I'm guessing that as a teacher a big part of his prep time was spent thinking what information he'd rather not pass on.
no subject
Date: 2013-01-27 04:36 am (UTC)As to the Aurors, that's where the ounce of logic comes in. They do know that much, that ducking behind things can work But no one has extended that idea to say, "Hey, then, what if we conjure or move a solid object IN FRONT OF US? Wouldn't that work like a shield?"
And--well--one must admit the theory would be awkward to test. "Hey, Derrick, stand there while I throw an AK at you. You, Clytemnestra, levitate that bookcase in front of him while I do.
"Okay, yeah, the bookcase blocked it. Okay, Clytie, now try, instead of moving a real bookcase, magically conjuring one. Ready? One.. two... Avada Kedavra!
"Oops. "
no subject
Date: 2012-11-18 09:05 am (UTC)Wait, what, Hermione is dead?!?!? NOOOOOOOOOO!!!!
:-)
One of my favourite fan fiction stories - 'With Malice Aforethought' by SPSmith on portkey.org - has Harry actually proactively trying to prepare for the next showdown with Voldemort. He learns how to conjure tombstones ... because -
Sighing, Harry slumped back against the rock and started to explain, eyes fixed upon the grass. “When Voldemort killed Cedric, I hid behind a tombstone. They threw the Killing Curse at me a lot, but it bounced off the headstone. I figure if I can find a way for people to pull a couple of headstones out of their pockets, they'd be safe from the curse.”
“Why headstones?” Ginny poked the one nearest to her. It was smooth granite, adorned with carved garlands and the words 'In Loving Memory.' No name or dates had been carved into it; it was unused. “Why not, I don't know, that rock you're leaning on?”
“I don't know if the Killing Curse was stopped because it was stone, or because it was a headstone.” Harry shrugged, and pulled up some blades of grass and threw them. “I can't very well test it can I?”
But here's a nice bit of logic ... and from Ginny Weasley no less:
Ginny ran a finger over the blank spaces on the stone's face. “And what if they have to be used in order to work?”
“Then we're rogered good.” Harry grinned blackly, and looked up at her for the first time during their conversation. “I don't think I could go grave robbing, thank you very much.”
no subject
Date: 2012-11-19 12:46 am (UTC)That is the biggest problem with defending against the curse isn't it.
no subject
Date: 2012-11-19 05:50 am (UTC)no subject
Date: 2013-01-27 04:21 am (UTC)Re Hermione, I think her response in Snape's first DADA class shows that however proficient she is at learning what someone else is presenting, or even at extending what she's read, she had NOT (in canon) ever learned to criticize what she'd read, or extend it, in the light of her own experience.
As a comment to you in a chronologically-later post tried to make, since this one was now so buried.
no subject
Date: 2013-01-27 10:12 am (UTC)I think her response in Snape's first DADA class shows that however proficient she is at learning what someone else is presenting, or even at extending what she's read, she had NOT (in canon) ever learned to criticize what she'd read, or extend it, in the light of her own experience.
As an eleven-year-old, sure. With practically zero amount of that 'experience' you say she needs.
But by the end of the series she was criticising Dumbledore, taking on her own government, doing lots and lots of 'criticism'. And demonstrating her awesome proficiency (although, compared to her two hapless companions ...) in applying and extending magic.
no subject
Date: 2013-01-27 05:06 pm (UTC)It's a failing I exhibited at age 18-19 also, and in my experience it's one that bright GIRLS in particular are prone to--bright insecure girls. The failing is trusting books/authority above oneself, one's own observations. Hermione shows this tendency to such an extent that when her own experience directly contradicts an authority she trusts (text or person), she entirely disregards her own experience. (Mind, she might yet grow out of it--I did. But I submit that in canon, she had not.)
Yes, she learns that written words can be wrong. She learns to be suspicious of the Prophet and Ministry propaganda, and to mistrust the Ministry in general. Notice, though, that she's the only one of the Trio whose belief in Dumbledore's infallibility is unshakable. If Dumbledore told Harry he must hunt Horcruxes, then that's what they must do. And if he thought Harry could do it, then he can. (Of course, one could hypothesize the Confidere might have had something to do with that case.)
And the incident I alluded to in Snape's class wasn't Potions, but DADA. She gave the book's answer about the advantages of nonverbal magic--"it gives you a split-second advantage in a duel because your opponent can't hear what you're casting." This from a young woman who was almost KILLED three months previously because she cast a Silencing Charm at Dolohov, confidently expecting that to render him harmless, and he hit her back with that purple curse that not only took her out of the fight, but had her hospitalized tor weeks.
No, Hermione, the first advantage to nonverbal magic is that you can use it when you can't speak! And you saw that demonstrated on your own body, with your own near-death, and it doesn't occur to you to make the connection.
In fact, you'd been around adults casting nonverbally on occasion for five years, yet since the books all specified incantations as necessary, you never noticed.
Or, consider Memory Charms. All the texts agree that a properly-cast Obliviate done by an expert is absolutely harmless to the victi--excuse me, to its recipient.
All the texts have to say that.
It's the very basis of Wizarding Seclusion; Secrecy would be impossible to maintain without it. If every time a MInistry official casts a Memory Charm on a Muggle who'd noticed something untoward, the Obliviator is doing that person real, and maybe permanent, harm... Well, at least we know Walburga's cousin Araminta would heartily approve. (Did you read my essay on how Isaac Newton stopped publishing about Alchemy after his mental breakdown in 1692? Never completely recovered. I figure, our world was experiencing bleedthrough from the Potterverse.)
Hermione SAW Mr. Roberts. Surely the ones who'd charmed him were the Ministry's best-trained team, at such an important event as the QWC?
"Mr. Roberts had a strange, dazed look about him, and he waved them off with a vague "Merry Christmas."
And yet she didn't hesitate about using the spell that did THAT to him on her own parents. After all, the texts all say that done properly it's completely harmless, and of course our proficient Miss Granger is capable of casting it right.
(Barty Junior had read the same books. He attributed Bertha Jorkin's permanent brain damage to his father's having cast the spell "too powerfully." Before you ask, I imagine that those at the Ministry who could recognize her symptoms--the spell's normally used only on Muggles, after all--thought that a blackmailer had gotten her due.)
no subject
Date: 2013-02-03 04:20 am (UTC)Obviously you DIDn't read my other post.
Are you referring to your post/essay "Hermione’s True Crime(s): Her Betrayal of the DA in Context" back on the 28/10/11? I've still go a reminder stashed way back in my IN box to go and have a look at that. I don't think it's a big ego that makes me think I was one of the readers you had in mind when you wrote it? :-) Coming as it did on the back of the big "Is Hermione a sociopath?" debate and my defence of her in that case.
I always meant to read your essay - and explain again how Hermione, the heroine of the HP series, is most certainly not a sociopath :-) - but I got derailed. A poor special sensitive flower here on deathtocapslock dishonourably got me banned and then feigned a GREAT DEAL OF DISTRESS over some comments I'd posted to rationalise not doing the right thing and retracting her actions once it was shown that she'd been wrong in her original charge and that I was innocent. I had to wait weeks for the Christmas rush to be over and the moderator to be back on deck to redress the wrong.
Anyway, I never got back to reading your essay. Which irked me a bit, because it could look to an outsider that I, Brad, DEFENDER OF THE LADY HERMIONE, had cowardly run away when you came out to battle. Sorry about that. I've always wanted to tell you why I didn't come out and engage that time, you've reminded me to do so now.
Anyway ...
Hermione shows this tendency to such an extent that when her own experience directly contradicts an authority she trusts (text or person), she entirely disregards her own experience. (Mind, she might yet grow out of it-
But she *did* grow out of it, in Rowling's canon.
She, she had that failing in the first few books; that's a fanon trope derived, I think, from appropriate canon fact. But you can't say that the girl is still doing the same thing by the end of the series.
Because -
Yes, she learns that written words can be wrong. She learns to be suspicious of the Prophet and Ministry propaganda, and to mistrust the Ministry in general.
As you say. Thanks. :-)
Notice, though, that she's the only one of the Trio whose belief in Dumbledore's infallibility is unshakable. If Dumbledore told Harry he must hunt Horcruxes, then that's what they must do.
But that's not true. Harry decides that Dumbledore also gave him the 'Quest' of chasing the Hallows, but it's Hermione that says no, don't follow Dumbledore there, stick to the task that we *know* is real.
And, by the way Terri, that's no doubt why Hermione thus advises Harry. Dumbledore's instructions or not, she *knows* that the Horcruxes are things that *must* be destroyed. Things aren't wrong just because Albus believed in them. He was right sometimes!
I guess you're correct that she was the only one in the Trio whose belief in Dumbledore was 'unshakeable', but you do recall that Harry, although wavering in Rowling's weak little crisis of faith mid-way through DH, ended up being the staunchest disciple of all, right? Choosing in the end to abandon any thought of the Elder Wand, 'cause that's not what Albus wanted. Marching off to his death because that's what Albus wanted.
(At least that's the case if I'm remembering things properly.)
"it gives you a split-second advantage in a duel because your opponent can't hear what you're casting."
But it DOES. She's RIGHT!
No, Hermione, the first advantage to nonverbal magic is that you can use it when you can't speak! And you saw that demonstrated on your own body, with your own near-death, and it doesn't occur to you to make the connection.
You can pretend you're in Hermione's head and pretend she's a rote-memory machine and pretend that she never thought of her own personal experience with non-verbal magic, but that's not proof, Terri. Only in your pretend world.
I look at that scene and I see Hermione having a couple of answers ... and picking *the most accurate one*.
What's the advantage of non-verbal casting?
1. Split-second advantage, right off the bat.
2. If someone has silenced you, then you can still cast.
Answer #2 doesn't just depend on non-verbal magic. It also depends on someone silencing you first!
no subject
Date: 2013-02-03 04:23 am (UTC)A1. Because it reminds people of the sky.
A2. Because we're not allowed to pick red first.
Answer number 1 is directly addressing the question. Answer number 2 requires another variable to be added to the equation before your answer even makes sense.
Terri, what IS the 'first advantage to non-verbal magic'?
A1. You can cast with a split-second advantage.
A2. You can wait, do nothing, hope that you aren't defeated, but instead silenced. Then, if you are silenced ... wow, you can still cast, that's my answer Mr. Snape sir!
Imagine if Hermione had given answer #2 to Snape. "You were not told that the caster was silenced, silly girl!". Or "Why is an advantage when one hasn't been silenced, in a straight duel, the least variables imagined? Don't make things up or have the arrogance to ADD to my posed scenariou, just answer the question you silly girl!".
So, Hermione - not being a silly girl - gave the best-fit answer to Snape's exact question.
Hermione SAW Mr. Roberts. ... And yet she didn't hesitate about using the spell that did THAT to him on her own parents. After all, the texts all say that done properly it's completely harmless, and of course our proficient Miss Granger is capable of casting it right.
Oh, Terri. You've picked on an example here that betrays you utterly.
Firstly, poor Mr. Roberts was getting mind-wiped by those arrogant wizards ten times a day, it's no wonder the poor chap was confused:
Once out of earshot of Mr. Roberts, he muttered to Mr. Weasley, "Been having a lot of trouble with him. Needs a Memory Charm ten times a day to keep him happy.
...
However, here and there was a tent so obviously magical that Harry could hardly be surprised that Mr. Roberts was getting suspicious.
Clearly, Terri, this is a case of memory spells being pushed way beyond the boundaries of common sense and proper efficiency.
And then he'd suffered the trauma of being assaulted by the death eaters right before the obliviation you cite. As Mr. Weasley said, "that was a big thing they had to make him forget".
I'm sure our girl Hermione bore these problems with memory charms in mind when she brainwashed her parents. In other words, the GoF wizards did it wrong; our girl did it right. Case closed.
And finally, Terri, remember that an 'absence of evidence is evidence of absence'. There's no signs of Hermione's memory charms being ineffective. Not a hint when she tells the boys about it, not a hint of disharmony in the Granger household in the epilogue.
What you're doing is taking an example of memory charms done badly and then saying "well, Hermione later on cast a memory charm, so it must have been bad too". But that's not logical at all Terri. I've seen bad drivers on the road, but I still drive a car - well, I hope - and I don't assume that someone with the name Hermione Granger, if behind the wheel, must surely be driving badly just because some others do!
Cheers!
no subject
Date: 2012-11-23 10:20 pm (UTC)How does the idea of intention, that you 'really have to mean it', come in, though? Do you just have to be in a general murderous rage to cast it successfully, rather than wanting to kill a specific target? Perhaps it's something similar for the Cruciatus, and that's how Draco managed it - hating someone else enough and focusing on that?
I love the mosquitoes! I'd like to tie their deaths to the earlier discussion of protection by sacrifice, but sadly the little creatures wouldn't know what hit them :-)
Does putting someone else in the way protect by their death rather than by a physical shield? If so, then there are lots of questions, like the ones you raise. Does sentinence make a better shield? Supernatural power? Does it affect portraits or ghosts?
How does it actually kill? It doesn't rip the soul away unless spiders have them. Does it disrupt the electrical signals in the nervous system?
I assume that it's an all or nothing thing. If the spellcaster doesn't have enough rage or magical power to kill the target, nothing happens to them. Or could you get a dead limb maybe?
Anyway, I think the gut bacteria are safe, because they're physically shielded by their host :-)
BTW, Terri, thanks very much for the reference to 'Deadly Hollows' in the last discussion. I'd never heard of it, now I've found it and read it all - gold!
no subject
Date: 2013-01-27 05:01 am (UTC)And I imagine that yes, displacement is how a lot of DE's cast their Unforgivables. (For a good look at how that might work, look at Excessivelyperky's fic "The Birthday Party." At one point, Severus needs to prove himself a firm DE by Cruciating a Muggle. And they give him a pedophile, and in this AU Severus had been sexually abused as a child. He had no trouble performing.)
As to "all or nothing," so Barty tells us. Dead, or no effect at all. Of course, Barty is an insane DE who has no interest in imparting good intel to his students. But he's playing Moody,and if he breaks character too badly, he'll get caught and fail his master. So I think he's imparting Ministry-doctrine there, if not the truth.
I think you're asking the right question in asking about how protection works. And you're right, if you were threatened with an AK and I stepped in front of you to save you, I don't think that the only matter of importance would be that I'm solid enough to keep the spell from hitting you.
I've been rereading Graves and Frazier about death-and-sacrifice magic in OUR world....
no subject
Date: 2012-12-02 04:49 am (UTC)no subject
Date: 2013-01-21 06:50 am (UTC)And the Order was responding with the one other canonical spell that has a green light: The slug-belching spell that Ron accidentally casts on himself in COS.
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Date: 2013-01-24 01:19 am (UTC)no subject
Date: 2013-01-24 01:46 am (UTC)I'm sure at least some Order members have experience casting the AK. At the very least Remus and Moody. And who knows what Bill did in Egypt - he may have AKed assorted Dark creatures that were guarding inner chambers of tombs.
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Date: 2013-01-27 02:41 am (UTC)And Albus never saw fit to share that loophole with the rest of the WW—not with the Aurors, not with the Order, not with the children he taught to believe the Killing Curse unblockable.
He kept it as his own secret defense.
Severus uses the same loophole in his duel with Minerva. Someone was paying attention.
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Date: 2013-01-27 03:36 am (UTC)Using armor to block lesser spells might be standard, and the idiots were just too enamored of the AK's mystique, too dense, to test armor's effectiveness against it. In fact, if armor were useless against magic, what are suits of it doing in the castle? But the statue that Dumbles used to block Tom's AK was gold (colored) and quite thick--maybe you needed a denseness of metal (gold, lead, depleted uranium) and standard armor had been found to be ineffective, so who tried more?
It's also possible that Severus came up with the idea on the spur of the moment, in his desperation not to hurt Minerva or the possibly-present children.
There's one obvious advantage to using armor to catch the daggers rather than using magic to deflect it--where we've seen spells magically deflected, they rebound. Severus suspects Potter is nearby, possibly invisibly in range, and he knows Minerva is. If he'd used a shield spell, one of those daggers might have hurt someone.
In fact, Harry had to pull Luna out of the way of McGonagall's fire. McGonagall KNEW she had two students nearby, invivisble, in range of the spells she was casting, and she still used two spells which could have gone awry from Snape and injured or killed them. Whereas Snape's one attack (to M's 3) was a "great black serpent that McGonagall blasted to smoke." We don't even know if it could have harmed M had it reached her, and it was a single discrete entity aimed only at her, not "a ring of fire that filled the corridor" or "a swarm of daggers."
Yep, that coward Severus, terrified of hurting others who are trying to kill him!