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?)
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?)