Just Platinumed Bloodborne!

[DraconianAC]

Soriku said:

You probably missed a door somewhere that takes you up via a ladder. They can be easy to miss if you're not really looking.

Believe me, I did both dungeons again (from top to bottom) and hit every wall in each room; I even checked the elevator walls and the ones by the lanterns, and used a shit load of shiny coins to mark all the rooms I had been on to show I had been there and hit all those walls.

I thought maybe a path opened up by some other means and people might know it, or maybe it was a algarithim goof because some of these are computer generated.