The next room has 4 locked doors, one requiring a key. After killing the bees, go through the northern door, which will lock behind you after entering the new room. Go to the NW corner of the room and open the blue chest to obtain 1st FLOOR and BASEMENT BLUEPRINTS = MAPS Watch out for the chairs that wake up when you open the chest. Go to the left and enter that room. Step on the switch near the SW corner of the room and enter the door that opens.