The Remote Carpathian Mountains, Romania. 3:14 PM.

  The reinforced off-road vehicle let out a dying roar, struggling to scale a gravel slope that was near-vertical. Outside the window, the dense fir forests had withered away, replaced by charred husks of timber blasted by lightning. The clouds hung so low they felt reachable, casting lead-grey shadows over the limestone ridges with a sickly, stagnant silence.

  I gripped the overhead handle, my stomach churning with every violent jolt. As a Yale PhD in Architectural History, I was accustomed to the climate-controlled air of libraries and blueprints precise to the millimeter. This raw, untamed wilderness was tearing my senses to shreds.

  "Uncle Arthur, is our guide actually reliable?" I stared at the abyss flashing past the window, my throat bone-dry. "This rift valley doesn't even exist on European aerial charts."

  Uncle Arthur sat in the passenger seat, his weathered face grim behind his aviators. He was tinkering with the photocopy of the Hermes Manuscript, answering without turning his head. "Elliot, there are places in this world that aren't marked by latitude and longitude. They exist only in bloodlines and oral legends. This guide is the Meridian Council’s last local contact. His father led the 'Hounds' of your grandfather's generation. As long as he can still smell the copper in the soil, we won't get lost."

  Panos, a veteran of countless security details in Africa, was at the wheel. He remained silent, but every time he hit a sharp turn, his calloused right hand instinctively brushed the folding carbine resting near the gear shift. On the other side of the backseat sat Caspian, maintaining his ghostly stillness, half-submerged in the shadows.

  Only Barney seemed unbothered. He sat cradling a waterproof case packed with C4 plastic explosives, chewing a wad of expired gum. "Hey, 'The Saint'," he winked at me, "Relax. Down there, your Yale degree won't be half as useful as this box of 'Scientific Justice.' If the Iron Prince is really waiting for us, I’ll make sure he learns the meaning of 'Modern Civilization' through high-frequency shockwaves."

  The vehicle finally ground to a halt beneath the ruins of St. Andrew’s Priory. The "priory" was little more than a few fractured stone pillars and a moss-covered archway—it looked less like a church and more like a mass grave.

  An old man wrapped in a thick sheepskin coat waited there, clutching the lead of a skeletal mule. Beside him stood a black hound named Daka.

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  "You are here, gentlemen," the old man said, his voice like sandpaper. His one good eye held a sharp suspicion of outsiders.

  The moment Caspian stepped out of the car, Daka—who had been barking incessantly—suddenly let out a pathetic whimper. The hound tucked its tail between its legs and pressed itself against the old man's shins, refusing to budge an inch.

  "Strange," the old man frowned, nervously fingering the silver cross on his chest. "Daka has faced brown bears and wolves in these mountains. He has never been afraid like this."

  Uncle Arthur glanced at Caspian, then at the dog, a knowing smile tugging at the corner of his mouth. "Animals have faster instincts than men. They can smell things brought up from the deep veins of the earth. Old man, we’re heading for 'The Throat of the Wolf'. Is the boat ready?"

  The old man sighed, pointing toward a fog-shrouded hollow. "The final leg must be by water. Those caves are bottomless; not even the bravest ginseng hunters dare enter. But the boatman has been paid. He’ll be waiting at the 'Devil’s Mouth'."

  We followed the old man through the brush. The soil beneath our boots became damp, emitting a faint, sickly-sweet scent of rot—the "Geomantic Humus" mentioned repeatedly in my grandfather’s journals.

  I pulled out my brass compass and noticed the needle began to exhibit a slight, erratic tremor. In architectural Feng Shui, this is called ‘Zhen Chan’ (The Needle’s Shiver). It indicates a massive magnetic anomaly or a blocked "Qi-Vent" below.

  "Xuan-Wu Ju Shi, Qing-Long Shi Wei," I murmured.

  "Speak English, Saint," Barney grunted, huffing under his heavy supply pack.

  "It means the geography here acts like a giant pressure cooker. All the energy is being sucked in, but there’s no vent," I watched the thickening white mist, my voice trembling. "This isn't just a tomb. It’s a living Geological Black Hole."

  Minutes later, we reached the riverbank. A river as black and viscous as tar meandered at the bottom of the gorge, eventually disappearing into a massive cavern shaped like a screaming skull.

  A rickety black flatboat waited. At the bow sat a man with a heavy-set jaw and skin darkened by years of grime. He was trimming his nails with a rusted meat cleaver. When he looked up, his eyes held no warmth—only the reptilian coldness of a predator.

  "Don't unpack. Bring the spare batteries from the truck too," Arthur commanded. "Panos, check the firepower. We’re going in."

  I looked into the yawning mouth of the cave, feeling a bone-chilling wind blowing from within. The wind carried an ancient, stagnant fragrance—the scent of something imprisoned for a thousand years.

  This was the Corpse Cave (Shi Dong).

  According to the logic of the Hermes Manuscript, this was the only "esophagus" leading to the Tomb of the Iron Prince. If we couldn't clear this stretch of dead water before our oxygen ran out, we would become the mountain's newest—and cheapest—'Cold Guardians.'

  "Let's go, Elliot," Caspian said softly as he passed me. His tone was flat, yet it carried a hair-raising sense of predestination. "The door down there has been waiting for over fifty years."

  One by one, we jumped onto the wooden boat. As the boatman pushed off with a long pole, the small craft slid slowly into the darkness that devours all.