The Mirewarren Basin is a broad lowland homeland of the Mireclaws, where marsh villages grew into sprawling cities of canals, warrens, foundries, and buried civic works. Crowded ports feed industrial districts, while old tunnels weave beneath modern streets. The region feels industrious, damp, and watchful, with every neighborhood layered over older roads, forgotten machine halls, and contested spaces claimed by guilds, families, smugglers, and things that never left the dark.