If a door tells you not to enter it, it's probably in your best interest to listen, but doors which try to protect from intruders tend to have expensive rewards for those brave enough to open them anyway.
One of your friends has sent you a copy of a game they adored. Your friend wouldn’t stop chatting about it when the subject came up. This hasn’t been the first time your friend roped someone in to Fortuna. From what you know your friend has been handing this game out to anyone willing to listen. Today you got your copy.