Chapter 43 - The Drowned Drydock
To reach the ninth tier, one could not use modern steel cables or electric motors; the immense electromagnetic field generated by the deep subterranean turbines would roast digital relays instantly. There was only the vertical service shaft—an octagonal tunnel lined with green-glazed industrial brick, spiraling down into the darkness alongside the main drainage pipes.
Marcus went first, his tactical torch cutting through a dense, dripping fog that felt ten degrees colder with every fifty feet we descended. I followed, wearing heavy canvas work-leathers over my uniform, my boots finding purchase on the cold cast-iron rungs set into the masonry.
At Sub-Level 7, the familiar smell of damp concrete and hydraulic oil gave way to something ancient and oceanic. The air tasted of salt, iron rust, and stagnant black water. At Sub-Level 8, the ladder ended upon a suspended iron catwalk that hung over a void so vast our flashlights could not find the opposite wall.
"God above," Marcus breathed, arresting his descent and leaning against the rail.
Below us lay a cavern that dwarfed the Grand Central terminal. It had been carved out of the primeval Manhattan schist using steam drills and black powder in the late nineteenth century. The ceiling arched into natural granite ribbed with colossal arches of riveted iron, weeping long ribbons of limestone stalactites.
And resting within the center of this abyss, cradled in a drydock carved straight from the living rock, was the black silhouette of a ship.
It was not a modern vessel. It was an ironclad ram—a low-slung, predatory leviathan clad in four-inch armor plates, its rounded turtle-back deck broken only by two stubby funnels and a heavily armored pilothouse. Along its flank, partially submerged in the dark, churning brine that was slowly filling the basin from beneath, ran the raised lettering: *H.M.S. RETRIBUTION — 1889*.
"Thomas Sterling’s flagship," I said, my voice swallowed by the immense acoustic cavern. "The third frigate of the lost southern squadron."
"Nina, look at the water," Marcus said, pointing his beam downward.
The basin was not filling from rainfall or sewage mains. Massive sluice gates—each thirty feet high and operated by towering counter-weighted hydraulic rams—were groaning open along the eastern rock face. Seawater, cold and wild, was pouring in from deep undersea channels connected to the East River trench.
The ironclad was beginning to float. The huge wooden keel blocks that had supported its weight for more than a century were splintering and groaning, breaking free to bob on the rising surface like matchsticks.
Suddenly, an arc lamp on the ship’s bridge sputtered to life with a blinding, blue-white hiss.
The harsh glare swept across the cavern ceiling, caught the mist, and snapped down directly onto the suspended catwalk where Marcus and I stood. A loud mechanical speaker crackled from the vessel's conning tower, spitting out static before a raspy, recorded cylinder began to spin:
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*"To the bearer of the Sterling Seal: You have opened the vault of the continent. The lock at Hell Gate is unmoored. You have seven minutes to calibrate the ballast pumps, or the foundation of lower Manhattan will follow this keel into the trench."*
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