"You didn't? Are you really trying to tell me you didn't steal your mother's diadem? Tsk, Helena, lying isn't any better than stealing." Another kick hit her stomach, then she took a step back to examine the girl.
She already felt better, taking out her frustrations on someone else. It would've been better with her magic, of course, causing a scream with a well placed crucio, but seeing someone crying on the ground was fulfilling enough.
Bellatrix hefted the branch again, going back to her, and hitting her on the back, forcing her to the ground again. "If you want me to stop, admit you're a thief. That's all you have to do." She swung the branch down again, a laugh bubbling out. Maybe she would stop.