Home, or what's left of it. The Underhold is what happens when a city builds upward and forgets to build downward, then packs three generations of displaced workers into the gap. It's the Underground's home turf — for now.
Glass, steel, and filtered air. The Spire is where the Trust's board lives, works, and forgets the Underhold exists. Every surface is monitored. Every visitor is logged.
The furnaces never go out. The Foundry Belt forges everything Concord depends on — including the machines that keep the Underhold in line.
Past the Managed Perimeter, the old world was left to rot when the Trust consolidated everything inward. No Ledger reaches out here. No Trust law does either.
One zone at launch. Three more already mapped.
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