DanArmak 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: DanArmak 24 March 2012 02:02:08PM 0 points [-]

Harry can defeat Veritaserum (maybe), but definitely can't lie to a Legilemens - and the Wizengamot officially uses one to interrogate witnesses. Maybe they wouldn't do it on the spot, for whatever reason, but they would get to shortly, because this is very serious business. And if they saw in Harry's mind that he lied, they'd just interrogate him very thoroughly and then never listen to him speak freely.

Comment author: pedanterrific 24 March 2012 05:39:29PM 2 points [-]

However, it's likely that Lucius believes Harry is a perfect Occlumens, which means he would fight to block a Legilimency examination.

Comment author: DanArmak 24 March 2012 06:57:49PM 2 points [-]

Suppose enough people disbelieve Lucius, or just oppose him if he's keeping his reasoning secret. Harry is the one coming forward asking to testify, so they decide to let him.

But when testifying before the Wizengamot, standard procedure is to use a Legilemens. They even used one on Hermione, and no-one thinks she's any kind of Occlumens at all. So an Occlumens would be used, and would report that Harry is lying.

There's no way Daniel_Starr's plan for Harry would work - whether they let him testify or not - unless he is a perfect Occlumens, and I don't believe that even of his dark side, it's not been sufficiently foreshadowed. (Also, Eliezer just wrote in the A/N that in text fiction, a protagonist can't just power-up and gain new abilities during a crisis, because it makes for poor storytelling; he has to solve the crisis using abilities he already has.)

Comment author: pedanterrific 24 March 2012 07:56:05PM 6 points [-]

But when testifying before the Wizengamot, standard procedure is to use a Legilemens. They even used one on Hermione, and no-one thinks she's any kind of Occlumens at all. So an Occlumens would be used, and would report that Harry is lying.

I don't believe this is correct.

The Potions Master raised his voice. "This is not Muggle Britain, Mr. Potter!" Severus's face was as expressionless as ever, but the bite in his voice was sharp. "The Aurors have an accusation under Veritaserum and a confession under Veritaserum. So far as they are concerned, the investigation is done."

"Not quite," said Dumbledore, just as Harry seemed ready to explode. "I have insisted to Amelia that this matter be given the utmost scrutiny. [...]

The boy nodded, his eyes still directly addressing her. "Which of those spells can be detected? Which would the Aurors try to detect?"

"The Confundus Charm would wear off in a few hours," she said, after a moment to gather her thoughts. "Miss Granger would remember the Imperius. Obliviation cannot be detected by any known means, but only a Professor could have cast that spell upon a student without alarm from the Hogwarts wards. Legilimency - can only be detected by another Legilimens, I think -"

"I requested that Miss Granger be examined by the court Legilimens," said Dumbledore. "The examination showed -"

They only bothered to use a Legilimens on the direct request of the Chief Warlock; Veritaserum is normally considered sufficient.

Comment author: DanArmak 24 March 2012 09:12:08PM 0 points [-]

Good point. It's still possible that someone will request a Legilemens if Harry testifies, so such plans are risky.

Comment author: Daniel_Starr 24 March 2012 10:40:44PM *  5 points [-]

Dumbledore won't ask for a Legilimens, because he'll trust Harry.

Lucius won't, because he believes Harry is Voldemort and a perfect Occlumens.

And everybody else will follow Dumbledore and Lucius' lead on the matter.

Politicians hate taking risks and being caught out. Subordinate politicians really hate taking risks and being caught out.

Comment author: clgroft 24 March 2012 02:45:57PM 0 points [-]

Unless he's a perfect Occlumens by now.

Comment author: Locke 24 March 2012 02:51:55PM 4 points [-]

Or rather, unless his really really dark side is. Which I find quite plausible, really.

Comment author: Manfred 25 March 2012 11:09:01AM 1 point [-]

Nah, "what use is a mysterious dark side that doesn't even give him super powers?"

Comment author: ahartell 25 March 2012 02:27:20PM *  7 points [-]

After almost a month of work, and more on a whim than any real hunch, Harry had decided to make himself coldly angry and then try the book's Occlumency exercises again. At that point he'd mostly given up hope on that sort of thing, but it had still seemed worth a quick try -

He'd run through all the book's hardest exercises in two hours, and the next day he'd gone and told Professor Quirrell he was ready.

His dark side, it had turned out, was very, very good at pretending to be other people.

Chapter 27

Comment author: Baughn 26 March 2012 10:29:28AM 0 points [-]

Which, to clarify, it turned out that it wasn't. Quirrel saw right through it.

Comment author: Sheaman3773 23 June 2012 04:03:53PM 1 point [-]

Do you mean Mr. Bester?

It was good at pretending to be other people, he just didn't know enough to make sure that the other person was the only one that Legilimens saw when reading his mind.

Comment author: Baughn 23 June 2012 04:32:26PM 0 points [-]

I don't remember at this point which one it was, but the GGP text suggests Quirrel was in fact the one to test him then.

As for the mechanics of it - you may be right, I mostly recall that it didn't actually work.

Comment author: Locke 25 March 2012 02:25:58PM *  0 points [-]

His dark side, it turned out, was very good at pretending to be other people.

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