I've run through Blackrock Depths twice now (once trying to get the achievement and once for the Dark Iron Ale Mug). Both times I have come here and found several problems with the instance. In the Ring of Law, after defeating the challenge, I wandered into one of the holding cells and got myself locked in. The room with the Seven 'rel's also locked me in and without a chest no less. Finally, the braziers used to open the door in the Lyceum won't work.