Paulovsk comments on Harry Potter and the Methods of Rationality discussion thread, part 11 - Less Wrong

6 Post author: Oscar_Cunningham 17 March 2012 09:41AM

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Comment author: mjr 22 March 2012 11:38:24AM *  19 points [-]

Okay, I don't really think this is how it'll go down - slightly too Dark Lordish. But the image was amusing, so here goes:

"It just happens that if Hermione doesn't walk, everyone but me will lose the ability to cast Patronus. Don't buy it? Oh, well, I'll just explain it to Hermione and she'll be able to testify under Veritaserum that I can do it."

Or, you know, have Hermione figure it out herself from Harry's note and do the blackmail herself.

Anyway, the blackmail potential for this is rather great, and I'd not be surprised to see it used in a more dire situation with more than Hermione on the line.

Comment author: Paulovsk 22 March 2012 06:26:41PM 1 point [-]

I don't get it.

"It just happens that if Hermione doesn't walk, everyone but me will lose the ability to cast Patronus. Don't buy it? Oh, well, I'll just explain it to Hermione and she'll be able to testify under Veritaserum that I can do it."

How exactly harry's ability (technique) to cast a strong patronus will interfere with the ability of the others?

Comment author: pedanterrific 22 March 2012 06:39:03PM 10 points [-]

Harry opened his mouth, and then, as realization hit him, rapidly snapped his mouth shut again. Godric hadn't told anyone, nor had Rowena if she'd known; there might have been any number of wizards who'd figured it out and kept their mouths shut. You couldn't forget if you knew that was what you were trying to do; once you realized how it worked, the animal form of the Patronus Charm would never work for you again - and most wizards didn't have the right upbringing to turn on Dementors and destroy them -

Comment author: grautry 22 March 2012 07:05:35PM 15 points [-]

I'm curious now...

We know that Obliviation doesn't erase everything - it erases memories but not every effect of the experience it erases. We've even seen it in story - Rianne Felthorne felt sad when looking at her "found" ruby. McGonnagall also hypothesized that Harry might have been abused(or otherwise experienced something awful) and then Obliviated.

Either way, I'm curious how this effect would interact with something like this.

If Harry told you the secret of the True Patronus(and you weren't the sort of person who could kill Dementors with that knowledge) and you Obliviated yourself, would that be enough to restore the capacity to use an animal Patronus?

Comment author: Paulovsk 22 March 2012 07:23:34PM 3 points [-]

Got it.

But this part is not strong enough: "Oh, well, I'll just explain it to Hermione and she'll be able to testify under Veritaserum that I can do it."

They could claim Hermione being able to testify under Veritaserum is only enough to prove that Harry could convince her, not that the thing itself was true.

Comment author: pedanterrific 22 March 2012 07:33:12PM *  3 points [-]

It's more ethically dubious, but in theory he could do it to one person who could cast the Patronus Charm, have them testify under Veritaserum that they were no longer capable of it as a consequence of what Harry told them, then Obliviate them of the specifics- even if it doesn't restore their ability, at least it prevents them from affecting anyone else. Then the issue is proving they're not Occlumens.

But it's not like I'm advocating this idea, or anything.

ETA: Oh! He could do it to Amelia Bones!

Comment author: Anubhav 23 March 2012 03:37:58AM 1 point [-]

ETA: Oh! He could do it to Amelia Bones!

Or even Dumbledore.

Comment author: NihilCredo 23 March 2012 10:42:33AM 0 points [-]

Someone who isn't likely to be Veritaserum-proof is probably a better candidate for this plan.

Comment author: Anubhav 23 March 2012 10:48:00AM 0 points [-]

You're right, but I'd expect Bones to be Veritaserum-proof as well.

Maybe McGonagall?

Comment author: pedanterrific 23 March 2012 03:57:04AM *  0 points [-]

Yeah, I kinda lost track of which part of the conversation this was- Amelia Bones would be useful as the Head of the DMLE, which presumably runs the prison system (thus would be in a position to suggest / implement a Dementorless Reformation). Plus she's always surrounded by subordinate Aurors who can cast a Patronus, so it wouldn't put her in much immediate danger.

Plus I kinda half-subscribe to the theory that she killed Narcissa.