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Alicorn comments on Harry Potter and the Methods of Rationality discussion thread, part 16, chapter 85 - Less Wrong Discussion

9 Post author: FAWS 18 April 2012 02:30AM

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Comment author: kilobug 20 April 2012 11:59:14AM *  5 points [-]

The Killing Curse is unblockable, unstoppable, and works every single time on anything with a brain.

Not related to the current discussion, but I was always very unsettled by that kind of affirmation.

From both canon and MoR, the Killing Curse looks like missile spell. A bolt of green light flows from the wand to the target, and kills it. But the bolt can't get around material objects, it doesn't go through them, and it doesn't switch directions to avoid them like a seeker missile could do.

It can't be blocked by raw magic (Protego and similar) but what prevents Actio, Wingdarium Leviosa or Free Transfiguration to be used to create a physical barrier to block the spell ?

And going even further, couldn't armor be made to block the spell ? It kills through clothes, but can very thick clothes prevent the effect ? If you make an armor with two layers, physically separated, the outer layer kept from touching the inner layer through electromagnetic forces or magic, would the outer layer count as an obstacle ?

Comment author: Xachariah 20 April 2012 09:01:18PM *  9 points [-]

The grim version of an ongoing joke in some potter circles is that you could strap a bunch of puppies to your body and use them as living armor.

My favorite mental image is covering yourself in bees. What can I say? I'm a fan of Eddie Izzard being able to beat the Dark Lord.

Comment author: gjm 20 April 2012 12:29:22PM 5 points [-]

Yeah, it's yet another thing JKR didn't think out very well. It's said to be a super-extra-deadly unblockable spell, but in practice there's nothing in what actually happens to show that it's any more dangerous than any number of other spells.

Comment author: Multiheaded 02 May 2012 03:16:58PM 2 points [-]

What she probably meant is that it's exceptionally good at penetrating innate resistance, magical barriers, that sort of thing. So, the prime spell for killing serious targets. Something that min-maxing DnD players would find useful in a duel.

Comment author: glumph 20 April 2012 06:26:35PM 3 points [-]

It can't be blocked by raw magic (Protego and similar) but what prevents Actio, Wingdarium Leviosa or Free Transfiguration to be used to create a physical barrier to block the spell?

Nothing. Indeed, Dumbledore blocks the killing curse in canon (Order of the Phoenix) by animating a statue to jump in front of it.

So if AK is in any way unblockable, it is unblockable only by magical means.