Crying female students just irked him unless they were Ravenclaws. "You clearly have wrackspurt since you didn't hear me tell you to get to the hospital wing," Vindictus said and kept his wand on the merpeople. "Whatever you're doing is making them madder than a Horntail protecting its nest. So if you don't know who you are, then go ask Nurse Avalon." And he shot a stunner at a grindylow creeping beneath the water.