SCP 087 is an infinite stairwell with each floor on every 13 steps. The first floor is the top floor, with every floor descending increasing in number. There are no lights. At the 3rd flight down, screaming from an unidentified source can be heard. At the 20th flight down, a creature known as SCP 087 1 will appear. SCP 087 1 is an entity with a gray face and a thin, tall body hidden in shadow.