The tunnels pulsed like veins under the dead city — walls slick with condensation, lined with flickering red lights that hadn’t been active in decades. The air was heavy with dust and static. Every sound echoed too loudly, as if the dark itself were listening.
Leon Vale moved through the silence like a shadow, his boots splashing through shallow puddles of oil-stained water. The stale air stung his lungs, but he kept going. Every few steps, a low hum vibrated through the walls — not sound, but something deeper. A resonance that made his skin crawl and his system flare.
[Warning: Subterranean Signal Detected]
[Source: Unknown Core Node – Depth Level 9]
[Recommendation: Proceed with Caution. Probability of Hostile Encounter – 83%.]
Leon ignored the prompt. His system had been warning hi
