Though, ah, that isn't what I meant. I mean, has she ever mentioned why they're her last piece? Having her own eyes means she can see the truth and world for herself, after all. But why would Surgeon keep a piece so vital, so important, separate from the rest? We were able to find the other pieces, but he obviously kept that one in lock down.
I guess what I'm saying, if, hypothetically, you needed her eyes to break her, why would they be the piece to do it?