"Bitch, whoever you are, I will unmask you and kill you. You've just killed an Auror-" said Tonks as she was cut off, "Witch! not bitch, you idiot! Seeing as you are as dimwitted, I'll give you a demo. Well, we do have a spare. See, "Avada Kedavra!'" the hooded witch spoke the death curse as she pointed the wand at the woman hiding in the corner.