The Opposite of a Horcrux

[Jamie]

No: HPFGUIDX 139271

Chys Lattes wrote:

> Well, anyway, a horcrux is where you kill someone to extend your own 
> life. The opposite, couldn't it be, to give yourself up to extend the 
> life of another? 
<Snip>
> I don't think either idea would be a topic of conversation at
> Hogwarts anyway, as one would naturally lead into the other being 
> associated with opposites and that could be why it's something that 
> LV didn't know about.


Jamie:
Wow.  I love this theory!  It just seems to fit perfectly.  Wasn't 
Lily known for her Charms work?  Couldn't she have invented the 
opposite of a horcrux herself?  She could have cast the spell as she 
was being AK'd.  JKR has made clear that nothing like what happened to 
Harry has ever happened before, which would be why LV wouldn't know 
about it.  Even if the idea was mentioned in a book somewhere, he'd 
have seen the word "sacrifice" and immediately shut the book.