Avery listened to the footsteps and grinned. The question was, who would it be? A mudblood to hex? A girl to charm? Or a fellow Slytherin to commiserate with?
Or a fellow Slytherin to harass? He grinned wickedly as he recalled Evan's interaction with the eavesdropping fifth-year - and Evan's promise to introduce him to the 'puff he was ... 'seeing'.
Keeping still against the wall, he continued to watch, and wait.