Bellatrix could already see his mind working. Good boy.
For once, Bellatrix wasn't in a rush for this one. If he gave her the right information, she'd be able to take them out whenever she felt like it. "Take whatever time you need, I'm in no hurry," she said, watching him. If he did this quickly even when his time frame was larger, it would be a better indication of how devoted he was going to be in the future. "Just remember that I don't tolerate laziness as much as I don't tolerate failure."