Accidental Harrycrux : a theory

[justcarol67]

No: HPFGUIDX 155392

Carol earlier: 
> > I think the cut was created when the AK burst out of Harry with
the force of an explosion strong enough not only to vaporize Voldemort
and blow up the house. How else could the curse get out of Harry, if
not by bursting out of his forehead, creating a lightning-shaped cut
much as Fred and George's brooms created broom-shaped holes in
Umbridge's door when they were summoned? (I think that some of
Voldemort's powers entered Harry through the cut, but I don't think
that they, or a soul bit, created it. IMO, it was the AK that marked
Harry, but on its way out, not in. That, of course, makes him unique
in the history of the WW.)
> 
KJ responded:
>     I dont' think that the AK even touched Harry.  That is where we
are running into confusion perhaps.  I suspect that Lilly's sacrifice
 literally shielded Harry from the curse.  The curse rebounded from
the shield and struck Voldemorte or even a wall of the house causing
the same type of explosion that we saw in the MoM.  As a result, of
the explosion, Voldemorte's loose bits were blasted all over, one of
them striking Harry. Since the bit of soul was not an actual curse,
Lily's protections might not have prevented that type of injury.  JKR
did say that it was the scar that was of importance, not the shape of
it. I am interested as to why you believe that the curse entered Harry
and burst back out. What do you think would be the internal mechanism
causing that type of rebound rather than a deflection prior to
penetration.
> 
Perhaps you could send me a fruitcake in order to test my theory.

Carol responds:
I used to think that Lily's sacrifice acted as a kind of Protego that
shielded Harry from the curse and that it bounced back, but that
theory doesn't account for the scar, which is referred to by DD and
others as a curse scar. Since an AK doesn't cause a scar and
*something* cut Harry's forehead open, I account for it as the AK
entering normally, failing to kill him because of Lily's sacrifice
(the blood protection, which is *in* Harry's blood, and which the
curse could not have sensed without actually encountering his blood)
and bursting out again, perhaps in intensified form, so that it has
sufficient force to explode both Voldemort and the house (or the house
exploded from the explosion or vaporization of Voldemort, which also
sent some of Voldemort's powers into the open wound). I realize it's
not the only possible explanation, but it makes more sense to me than
a soul bit causing a cut and entering Harry to become an accidental
Horcrux.

We know there was an AK curse that was deflected onto Voldemort. We
know there was a cut, still unhealed when Harry was left on the
Dursleys' doorstep. We don't know there was a soul bit. That part is
speculation. We can't take Harry!Horcrux as anything but a hypothesis,
and I think we need to explore alternative explanations for the scar
and the transfer of powers.

Carol, noting that her fruitcake recipe can be found on OTChatter for
anyone who's interested, but only for those who intend to eat it, not
explode it! ;-)