You could always call me. [Grell gives him a predatory smile and flicks the wrist of her free hand, causing a knife to slide from her sleeve. She holds it with practised ease in her fingers and looks to Jack.]

I'm by far the most dangerous thing in the night.

[Her smile turns sweet again and she drops the knife back down her sleeve.]

But I'm sworn not to harm the people here, not until it's their Time at least.

Or they upset me.