The slave capture team's location of the Gray Market Trading Company is quite remote and difficult to spot, but their headquarters is built very luxuriously, positioned on the high ground north of the trade port, with towering stone buildings and continuous towers, making them look like an indomitable fortress.
Among the citizens of Marle Castle, there is always a story circulating about the underground world of the Gray Market Chamber of Commerce's headquarters, saying that their magnificent and impressive structures above ground are just for show. The true core lies in the dozen or so underground levels.
They used dwarven technology to connect the headquarters to the bottomless sewers of Marle Castle, then directly to the water gates, allowing them to transport any goods in and out of Marle Castle unnoticed.
