My take on the Forest scene (also posted on Movie)

[nikkalmati]

No: HPFGUIDX 191236



--- In HPforGrownups at yahoogroups.com, "Geoff" <geoffbannister123 at ...> wrote:


>very big snip> 
> So when Voldemort rather foolishly attempted an Avadra Kedrava for 
> the third time on Harry, this was someone who was not the master of 
> the wand attempting to defeat the real master without the authority 
> to do so and the wand therefore responded to Harry's Expelliarmus 
> and went to him while Voldemort's spell rebounded – yet again! and 
> this time he had nothing left with which to cushion or reduce the spell.
>
Nikkalmati

A very reasonable interpretation of events.  I have just one question, however.  What caused this third and fatal rebound?

Nikkalmati