The Lecture Hall is a combat training room built into Number Nine and Sandor's penthouse in the John Hancock Center. Every surface of the room is tiled with white retractable panels which discharge rounds of projectiles including steel ball bearings and electronic drones from all sides.The combat is mainly controlled by Sandor from a cockpit, called the Lecturn, with chair and control panel with blinking buttons and gauges, it also has automated training programs.