A map of the Unterzee is a confession of ignorance drawn very carefully.
FROM: Proceedings of the Glimhaven Cartographic Society, Vol. CXIV PRESENTED BY: Madam Lacewing, Chief Cartographer, Surveyor of the Unmappable OCCASION: The Annual Lecture on Things We Have Failed to Map Distinguished colleagues, damp friends, and whatever is making that scratching noise behind the east wall (you are tolerated but not welcomed; please do not eat the slides), I stand before you to present the findings of the Seventeenth Unterzee Survey, which departed from the Undertide Docks fourteen months ago with a crew of thirty-two, a cargo of mapping instruments, and the quiet confidence of scholars who believed they understood water. We returned with a crew of thirty-two — all present, all healthy, all profoundly confused — and a collection of charts that I can only describe as "aggressively speculative." The Unterzee does not wish to be mapped. I do not mean this poetically. I mean that the water resists measurement with a consistency that suggests intent. Our sonar returne...
From the lore of The Gaslit Reach.