Hall of Infinite Doors

Leaving Lary, you approach the creature. It looks human but it has ridiculously sharp teeth, abnormally dark skin, and instead of having hair, it had thousands of tiny spikes. It speaks to you, "sit down, and talk, im very lonely here". So you do, you keep chatting away about calculators, the hallway, and candy. After a few minutes, it states "My name is Gorbakkawakka-zimmikinaka-lurgboberg-nuuuuuuuuur-whoop-vunno-lalalalalal-sloooosluuuu-gerger-morg vino Dupenschnitzlapplebangerbealgleboob the Second, but call me Mary. Anyway I was wondering if you could do a favor for me...". You say....