"A place to hide," she said, her mind reeling through every enchantment and sigil she'd seen in Bete Noire. Maybe her failed relationship with Sam hadn't been completely useless. All the things he'd taught her, all his paranoia and fear, were still in there. She could line a door with salt. She could draw a devil's trap.

And she was friends with the Doctor.

"Between me and my friends, we can make sure that you're not found, if you don't want to be. And if you are..."

I'm not as useless in a fight as I look. You can't say that, Diana. You'll sound like you're threatening him.