Sometimes their presence is obvious. Who would leave a real treasure chest in the middle of an unremarkable room, as if inviting an unwary adventurer to make easy money? But sometimes it is simply impossible to identify the danger in time. With proper luck, they can be identified by imperfection of shape – by a strange shade of wood or by the location of the chain from an unusual side. But even after rechecking everything for the hundredth time, it is never superfluous to ask yourself a question