Option 2 is implausible, since each person only sees their own CEV in the mirror – as evidenced by Harry not seeing the images of Aberforth and Ariana that confunded!Quirrell (Dumblemort? Quirroldemordore?) saw. (Insofar, the mirror behaves just like in canon.)
Or would you assume that Harry (Harriddle?) and Quirrellmort count as one person for the purposes of the mirror? (One person that, in turn, is different from confunded!Quirrellmort?)
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 109.
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.)
Spoiler Warning: this thread is full of spoilers. With few exceptions, spoilers for MOR and canon are fair game to post, without warning or rot13. More specifically: