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  • Game Master
  1. Eclipse
  2. Lore

Blackreach Commonwealth & The Undercity

City Name: Blackreach
Style Reference: Saint Denis meets New Orleans, late 1800s. Surface glamour, undercity hunger.
Identity: A living contradiction: bright, cultured, loud, and beautiful on top, with an older, predatory night-state beneath.

High Concept

Blackreach is a city split into two realms that function like two governments occupying the same space.

  • Surface: human-facing commerce, music, mansions, markets, law, and vice

  • Undercity: vampire infrastructure, hidden courts, blood economy, shadow travel, and Night Government
    The swamp around it acts like a moat, a hiding place, and a grave.

Map Logic and Layout

The Spine: a grand central boulevard and rail artery feeding into major plazas and the riverfront.
The Rings: wealth and civic districts nearer the center, poorer wards and industrial edges outward.
The Veins: alleys, canals, service tunnels, and old catacombs connecting surface to undercity.
The Perimeter: foggy swamp belt with docks, outposts, crypt sites, and smuggler trails.

Surface Districts

1) The Grand Quarter
Ornate balconies, lantern-lit streets, music halls, theaters, and high society mansions. The city’s “face.”

2) Riverfront Exchange
Docks, warehouses, customs houses, shipping guild offices, and riverboat terminals. The loudest district by day, most dangerous by night.

3) The Garden Ward
Manors, hedge labyrinths, courtyards, private guards, discreet parties. Old families live here and pretend they do not fear anything.

4) The Market Labyrinth
Cobbled lanes packed with stalls, spice traders, apothecaries, relic peddlers, and rumor brokers. Everything can be found here for a price.

5) Saint George University District
Hospital, anatomy halls, research annex, lecture theaters, and the “Charity Clinic” that never asks too many questions. A perfect place for secrets.

6) The Foundry Banks
Brick factories, steamworks, rail repair, slaughterhouses, and labor boarding streets. Loud, smoky, and exploited.

7) The Chapel Row
Churches, funeral homes, cemeteries, and “benevolent societies.” Many are fronts. Some are sincere. A few are both.

8) The Lantern Slums
Crowded housing, debt, and easy recruitment for gangs and Syndicate cutouts. Lantern patrols keep order, barely.

Undercity Logic

The undercity is not just tunnels. It is a parallel city built from:

  • old crypt networks and expanded catacombs

  • sealed canal routes and submerged corridors

  • hidden elevator shafts in manors, casinos, and universities

  • night-only transit paths that open when specific lamps are extinguished

Undercity entrances are usually disguised as:

  • wine cellars

  • mausoleum stairwells

  • boiler room hatches

  • casino back corridors

  • drainage culverts in the swamp

Swamp Perimeter

The swamp is an ecosystem and a defense system.

  • fog hides movement and muffles gunshots

  • bog trails shift with rain and moon cycles

  • crypt mounds and old stone markers create navigation rules known only to locals

  • merchant outposts offer supplies and rumors, some are honest, some are bait

Story Hooks

  • a surface noble is found drained but the undercity claims innocence

  • a rail contract expansion threatens to collapse undercity routes

  • a swamp crypt awakens something older than vampires

  • the Night Government quietly offers the party protection in exchange for a “simple” task


BLACKREACH UNDERCITY AND NIGHT GOVERNMENT

Title: The Night Government of Blackreach
Identity: A hidden vampiric civil apparatus that governs feeding, secrecy, and conflict without collapsing the city.

Purpose

The Night Government exists to prevent the one thing vampires fear more than death.
Humans organizing.

How It Operates

Feeding Licenses: certain zones, certain nights, certain donor channels
Blood Trade Regulation: controlled donors, black market taxes, punishments for reckless feeding
Silence Courts: trials held in sealed chambers, verdicts enforced quietly
Shadow Transit Authority: controls undercity routes and who may use them
Surface Influence Desk: blackmail, favors, protection pacts, sleeper agents

Key Roles

  • Night Prefect: regional ruler of the undercity’s day to day order

  • Veil Handlers: intelligence coordinators and rumor control

  • Fang Captains: enforcement squads for breaches

  • Talon Brokers: money flow, bribes, assets, safehouses

  • Gravewrights: builders and caretakers of sealed routes, crypt locks, and hidden doors

Laws

  • no public feeding on the surface without sanction

  • no turning without permission

  • no open war with human law

  • no bringing divine relic heat into the city without notice

  • violations are punished harshly because one mistake can bring extermination

Tensions

Elsir’s reforms create conflict.
Traditionalists hate regulation, younger vampires prefer survival and stability.
Some Night Government factions quietly align with Guild finance or human officers.

Player Hooks

  • retrieve a stolen feeding ledger before it becomes public scandal

  • protect a donor network targeted by a human extremist militia

  • sabotage a traditionalist coup attempt inside the undercity

  • negotiate access to shadow transit for Elsir diplomacy missions