Madness string 7946

Random mermaid
Beware every space you walk through or touch in this city. Doors, gates, arches, windows, picture frames, the open mouth of a statue, the spaces between shelves. Beware any space bounded on all sides. All these are doors to other places.

I don't care if I'm the Chosen of the God of Death, I'm still a librarian, and he killed my library! How is this just?