The blank fills itself while the three of you are still standing in the warm, and it fills with a name, and none of you put it there.

MioneIt is not a name. It is a line where a name will go. It is waiting for one of us to say it and then it will be done.

MalfoidThen write mine twice and be finished.

CorvinaNo. It takes two names to make one blank, and one of them is always the one it has just written.