after have winned storage, curch, vents, nursery, farm and ballroom you ended in middlestone the last level of the never ending nightmare as well as the center of the universe... you met a tall women and she starts talking in a calm tone

Sen: Hello entity, you have made it to The Middlestone. Also known as The Center of the universe. Now Now, i know you have a lot of questions, but your journey is not over yet. There are several portals surrounding us, each with a certain amount of my inky bottes around it. Remember the amount of terrors you went trough and go trough the corrisponding portal. Get the portal right and you make to the light. Go trough the wrong and you will be gone.

then she disappear leaving you surrounded by the portals, you have to pick the right one