"Don't be dramatic," she responds to him without looking at him, gesturing dismissively with one hand. Considering she's been dropped into an unfamiliar world where she is at the mercy of many a force she doesn't understand, she is unflappably confident. Maybe that's to her detriment.

"They won't bother forming a mob, that would give me a great deal of power over their emotions." That's when she turns to look at him, giving a nasty smile. "Don't you think."

It's not really a question, more a rhetorical device to convey that anyone with half a wit should be wary enough not to get that riled up by her.