Laid bare? How do you know? What if that narration only cover tiny fraction of his time in the Tower?
Not included in the narration are:
Whether it was his first time coming to the Tower
Whether he is still inside the Tower
Whether he come and go frequently, in and out of the Tower
How he know...
She is a guide but not a guide of the tower that can see fate or crossroad like Hwaryun or Evan. Probably just like a normal guide in our world, we still know nothing about what a guide is outside the tower.