(nvbl)

[zgirnius]

No: HPFGUIDX 152436

Trin:
> Strange how Snape recognized and shielded the Levicorpus before it hit
> him (for he wasn't levitated, not even for a moment). He didn't hear
> it, and he *said* in his class that non-verbal spells take the
> opponent by surprise. 
<snip>
> So, all I can make of this is that Snape is a really kick-ass wizard
> who's not taken by surprise with even non-verbal spells :-)
> Or what?

zgirnius:
My interpretation of this scene-Legilimency. Snape is able to identify 
and stop a nonverbal spell once he is face to face with Harry, because 
he is then able to use Legilimency to sense what spell Harry is 
thinking to himself.