Something of the real voldemort was leaking through-and the part that was leaking through was, essentially, his gibbering fear of death.
Which really, really won't help in trying to cast a True Patronus.
Casting a true Patronus is not about the absence of fear of death. It's about "The will to defeat death, not just for yourself but for everyone, through your own strength".
The Mirror's desire detection is unfoolable. Which means that the Confundus made Voldemort-Dumbledore actually want to see Dumbledore's family in the afterlife. Voldemort's thought-patterns leaked through, which started unraveling things the Confundus made him believe/want, but before that he did actually believe/want them.
If the Confundus can make someone really want that, it ...
This is a new thread to discuss Eliezer Yudkowsky’s Harry Potter and the Methods of Rationality and anything related to it. This thread is intended for discussing chapter 113.
There is a site dedicated to the story at hpmor.com, which is now the place to go to find the authors notes and all sorts of other goodies. AdeleneDawner has kept an archive of Author’s Notes. (This goes up to the notes for chapter 76, and is now not updating. The authors notes from chapter 77 onwards are on hpmor.com.)
IMPORTANT -- From the end of chapter 113: