The frustrated words came out of his mouth in a growl. Hermione considered throwing caution to the wind and Avada-ing him right in the chest. She would gladly risk being captured by Antonin just for the satisfaction of ending the existence of the man who had berated and insulted her for the better part of three hours. It was unlike her to be unable to work hard enough to grasp any magical concept. She wasn't sure what the problem was. Had she been away from magic for too long? Had her magic been dormant for too long? Whatever the issue, she was exasperated.