Gareth shrugs and replies, "Well, I started out in one of those 10' square cells, but I guess I either got this 'upgrade' from 'good behavior' or one of them was smart enough to realize that I'd be more productive if I was comfortable. The forge was never unoccupied and one of the bugbears always had the key and I wasn't ever left alone, so what was I going to do?
Search away; if you can find something I couldn't in all the time I've been here, I'd be mighty surprised."
You spend a turn searching for anything but find nothing.