Sure, the restore process looked sick as hell, and the whole ‘core creation’ part of it gave you at least some hope that it worked. But you also noticed that the staff didn’t open up the existing horn core before it made the new one, which drove a big ol’ staple into that hope. You click your tongue at the same time that you hear Twilight hum with concern, and the convergence of your conclusion and her tone all but assures you of what the outcome is.