[Hearing that, Clara decides to step forward and make her way over toward Bull. She's tiny enough compared to him she's not going to actually be able to stop him, but she still reaches out to try and touch at him and get him to stop.]

Careful. We can't let it wake. Specially not if it's what caused what I saw in those visions.

[She glances back at Boney, restating a question that's already been asked.]

Is it what caused the destruction of those planets? It's important that we know.