After those fun-filled seven flights of stairs, you're at the top of the tower! There's a single door here, and upon pushing it open you'll find a sparsely decorated office room. It's clean, and almost completely empty except for a Chariot sitting behind the desk and a certain redhaired persona sitting on the desk.

... It may be worth noting that Maleficent is currently baby-sized and studying you intently as you enter.