Grievers... [ She repeats it to herself quietly, just to get a feel for the word. It's as good a name as any, she supposes. They did cause a lot of grief.

As he continues, she looks over at him again, attentive. It's a strange feeling, seeing there's someone who felt the same way she had then, even though it's not really going to matter out here, is it? Things are different now. But still, it's-- good to know. A comfort, a kind of common ground Tris hasn't had with anyone she didn't convince. She nods. ]

I think we had to kill one. Or at least one. I think it was part of the trial. Otherwise, how're you going to get the key?