Argus Pyrites, Anthony, and Susan Anthony and Susan come across a body while checking a hallway and are horrified to discover that it is Professor McGonagall. While they gape, Argus Pyrites attacks from behind. Anthony and Susan are taken by surprised, but turn on him, and the duel ends when one of the students manages a cutting charm that slashes at Pyrites face. Pyrites' next hex goes awry, and the hallway collapses between them.