It is presumably that the place is the main entrance to the basement deep.
Behind the door of the room of the pentagram there is a ladder that when the player comes near a wood falls. Descending the stairs the player finds the engraver of Sammy Lawrence and later a cutout of Bendy with a pentagram behind and the side of the cutout is the Inky Hall.
- The name is the meaning of the place, that titled under construction.
- From the first teaser of Chapter 2 it's shown to of gone under many changes from removal of the "It's time to beleive" text and changes of the Bendy head.