[Perry really doesn't like that. He moves silently through the ruins after his warden for a while. They're getting deeper into the city now; there's smoke and twisted metal and bodies covered with rotting holes where the Triangles must have torn their way out. There's weird skittering sounds and occasional Triangle voices. But what Arthur has planned worries Perry more than even those. He doesn't want to know what Arthur thinks is the source of his problems, he really doesn't. But he asks anyway.] Which is?