Wow. Thank you so much! I agonized over this story for weeks (and drove the mods up the wall, I'm sure) so this is a dazzling thing to be told.
And the locket! I know! *headdesk* I blame it on the fact that I was re-reading The Return of the King (because Severus was) while writing. I always did think the locket was a little too derivative of the ring's malevolent effect on Frodo. I didn't realize my Muse had made the switch on the page, though. I'm very grateful that you pointed this out, and I'll change it before re-posting anywhere!