Day five.
The swelling in her fingers has faded - she can move them reliably again. It hurts terribly, of course, but so do many other parts of her body, and she's no stranger to pain.
She's stopped crying out when they beat her or when they use her. It takes willpower. They laughed, cruelly, when they noticed the change. But they're stupid, too stupid to consider why she might put in that effort, why she would her voice.
If they weren't this stupid, she might not get to kill all of them for what they've done to her. But they are, and they think they're safe, which is stupid, because nobody is ever safe, which is a lesson Muvaki is really looking forward to teaching them.