Went down beneath tollhouse where the Tyr guys are and started looting up, somehow managed to trigger the secret door which the party did not make easy by sitting up from the chairs the instant I tried to switch to another character so had to turn on turn based mode for them to stick. Then the secret door started going nuts and opening and shutting like a hundred times and looked like it was just clipping. The wall itself didn't do so as was able to pass through it but was super jarring. Also once in there and triggering the poison gas I for the life of me could not find a way to stop the gas. This was my first attempt at it and my party followed me into the room and sealed the door behind me, so I expected there to be some secret level or button or a perception check made to open the door back up or stop the poison gas. And I'm not sure if just me but I just couldn't find it and was just slowly dying in the gas. If that was a secret storeroom then it would be very dumb for its owner to require 3 people to use it each time and have no way for the person inside to open it back up from within. Also couldn't do anything about the gas vents (may have just not had a trap disarm kit though)