Is There a Way Out of The Repository Holding Cell (SPOILERS)

[IJBall]

So, after being underwhelmed at seeing The Vault Master's bedroom and treasure chest, I decided to see if I could manage to survive the Repository's holding cell. (They throw you in there even when you try to leave! - Sheesh! )

Anyway, I managed to come up with a way to beat the Dimensional Eyes.

But then, to my surprise, when I killed the Eyes the portcullis didn't rise up automatically like they did in Shadowmirk.

So, I looked around the cell, and none of the corpses or skeletal remains were clickable, and there's no lever inside the cell.

So, are you just stuck in there, even if you kill both Dimensional Eyes?

Or is there some way to raise the portcullis to the Repository's holding cell?

Just curious. TIA!

[Unclever title]

The only way out of the repository holding cell that I know of is via portal. Sorry it seems there's no chance of walking out.