The Hub

The landing of -13 has four doors. Three of them point south and one north. The south side is well lit by oil lanterns.

→ Doors. The southern doors lead to client aeries (roll for names on p.25) via the usual secret passages. The north door is walled up, with a sign: DO NOT ENTER! DANGER!
→ Walled up. Enough stones are loose for a human to crawl through; fresh footprints in the rubble (the murderer going in and out). A dusty smell emanates from the door.
→ Smell. Chalk, old cement, dust. The wall has been there for a long time.