"Zero knows now. They share a soul. A bond. It's different from when we drink from people. What he did... it broke our curse. Nobody really understands what it all means. We just know... this is how it was supposed to be... before we were born."

[She finishes removing and key and takes a breath before looking up.]

"So whatever you do—no, whatever you have to do... you must maintain that balance. We don't know what would happen if it was shifted too much."