Vindictus was furious as he flew over to the Gryffindor girl who was clearly disobeying his orders. "I told you to STOP speaking gibberish to the fish! When I give an order, you listen and you obey for your own SAFETY. Do I make myself clear?" He was frowning at her and tempted to knock a handful of points from Gryffindor in addition to assigning the girl a very lengthy detention. "PREFECT. DEMERITS BEFORE I CHANGE MY MIND!"