D-404 is the biggest threat in the D-section. he rebounds 25-50 times but very quickly going about 350 RPS every time he gets into the current room he will check all lockers. he only appears once. and on your screen a button will appear you have to click it then it will spawn in D-404 if you go to the next room he will automatticly appear killing you. when the button appears the room will be filled with lockers and tables.
