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Normal_Anomaly comments on Harry Potter and the Methods of Rationality discussion thread, part 12 - Less Wrong Discussion

5 Post author: Xachariah 25 March 2012 11:01AM

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Comment author: Normal_Anomaly 25 March 2012 02:01:55PM *  12 points [-]

Apologies if this was in the earlier thread; I didn't see it.

Some facts: When Quirrell is being interrogated, he "sneezes" to cancel the spell "polyfluis reverso", which would show who, if anyone, had polyjuiced into Quirrell. Canon has it being posession, not polyjuice. Also, he suggests that someone is possessing Quirrell in a way that makes it unlikely to be believed.

Some speculation: Quirrell wants the auror to think that he's somebody else polyjuiced as Quirrell, and is willing to reveal that he is capable of powerful wandless magic to do so. He also at least partly reveals that when he messes with the room's lighting earlier. Why does Quirrell not try to hide this ability better when he knows the strategic value of hidden abilities and, IIRC, only a few wizards (Voldemort among them) are known to be capable of wandless magic?

Comment author: Anubhav 25 March 2012 04:27:05PM 8 points [-]

I'm not sure it's wandless.

He gave a flick of his fingers, and when his hand finished the gesture he was holding his wand. "Would you believe that woman thinks she has confiscated this from me?"

Chapter 65.

Then again, the Auror doesn't know of this, so your point stands.

Comment author: faul_sname 26 March 2012 11:21:23PM 3 points [-]

Ah. That would also explain the sneeze: the auror will look at his face and the quickly moving hand covering the sneeze instead of his other hand.

Comment author: gwern 25 March 2012 08:39:56PM 3 points [-]

When Quirrell is being interrogated, he "sneezes" to cancel the spell "polyfluis reverso", which would show who, if anyone, had polyjuiced into Quirrell.

Is this your inference? When I read that chapter, I immediately googled it and 'polyfluis' to see what it did, but only turned up MoR.

Why does Quirrell not try to hide this ability better when he knows the strategic value of hidden abilities and, IIRC, only a few wizards (Voldemort among them) are known to be capable of wandless magic?

Or ask why he told the lackey to tell the Ministry that he ate the Dementor. Why is he painting a target on his back, indeed...

Comment author: pedanterrific 25 March 2012 09:24:10PM *  10 points [-]

Is this your inference? When I read that chapter, I immediately googled it and 'polyfluis' to see what it did, but only turned up MoR.

Well, that's the obvious implication of

The round-faced first-year girl stood facing the remaining two bullies with one hand cocked on her hip.

Grinning.

And surrounded by faceted blue haze.

"Polyjuice!" spat the bully-girl.

"Polyfluis Reverso!" roared the remaining boy bully.

Something like the form of a mirrored scarf spat out of his wand -

Passed without resistance through the haze surrounding Susan -

For an instant, she glowed in a strange mirror-color, like a reflection of herself -

And then the glow faded.

The young girl still stood there, hand on her hip.

"Wrong," said Susan.

Comment author: gwern 25 March 2012 09:27:10PM 3 points [-]

Ah. Should've looked harder at the other MoR hit.

Comment author: orionstein 26 March 2012 03:01:43PM 2 points [-]

Would it make sense for Quirrell to be Sirius Black polyjuiced? He might actually just be polyjuiced; that's why he's been so intent on helping Harry, because he's SB. He's able to do wandless magic because once he became an animagus he figured out that other wandless magic was also possible, or at least how to do this.

Comment author: gwern 26 March 2012 03:18:14PM 2 points [-]

Not really - how does that explain all the clues pointing to Voldemort? And why would Sirius be Defense against the Dark Arts?