Just wanted to chime in:
Just after the Curtain Call achievement (
), it says to go in the door on the back right:
Go through the door at the back right. You'll see a mirror (4/9) on the right; interact with it to open the fast travel point.
There was no door on the back right for me but was on the back left! Not 100% sure if this is a case of it changes per player or was just a typo, but just as a note!
Thank you for the hard work, Steph, I'm really enjoying this one. Very wonderful game and super fun to play. Made much easier and less stressful via your walkthrough. It's much appreciated!