Chapter 10: LEVEL TWO
The seam led down.
I stood at the edge of the Level 1 excavation, watching the northeast ore vein disappear into stone we hadn't cut yet. Six weeks of production from this level had established a rhythm—carts moving up the main shaft every two hours, refined ore accumulating in the surface stockpile, workers rotating through shifts without supervision. The colony had become, for the first time, something that functioned while I wasn't watching.
The SEG showed what lay below: a void at 28 meters, accessible if we drove the tunnel another forty meters northeast and then down. The mineral signatures beyond that void pulsed copper-orange along the southern wall, iron-grey extending east.
"Four days," Brac said beside me. "Maybe five if we hit complications."
"What kind of complications?"
"The kind where the stone does something the mathematics didn't predict." His voice carried the particular patience of someone who had spent sixty years learning that underground work always included surprises.
I assigned the tunnel crew that afternoon—Brec leading, three senior dwarves supporting, and two human workers who had proven themselves on the Level 1 drive. The mixed composition was deliberate. After six weeks of watching crew efficiency numbers, I'd learned that the best teams weren't the most skilled—they were the ones where trust had replaced calculation.
The Level 2 drive began at dawn the next morning.
Four days. No complications.
The breakthrough happened on the fourth afternoon, when Brec's pick punched through the last meter of stone and found empty air beyond. The sound changed—the dense thud of tool on rock becoming the hollow resonance of tool on nothing—and the crew went still with the particular tension of people who knew that empty space underground could mean anything.
I descended within the hour.
The chamber was larger than the SEG had projected—30 meters across at its widest point, with a ceiling that rose into darkness beyond the torchlight's reach. The walls showed layered mineral deposits: copper along the southern face, iron extending east, and something else along the northeastern edge that the torchlight didn't quite catch.
[+12 DP — MID-DEPTH EXCAVATION: Level 2 Chamber Opened]
[New Mineral Deposits Detected: Copper (Southern Wall), Iron (Eastern Extension)]
[SEG Update: Map depth extended to current position]
[Current DP: 70/100 | Lifetime: 110 DP]
The numbers settled into my awareness as I walked the chamber's perimeter. The copper seam was substantial—weeks of production if we worked it properly. The iron extension connected to what we'd already been mining on Level 1, creating a continuous ore body that ran deeper than I'd initially estimated.
But it was the northeastern wall that stopped me.
The SEG overlay showed the standard mineral signature—grey for unclassified stone, the default color for material that hadn't been scanned closely. But below that, at the extreme edge of my current depth range, a faint marker pulsed with a color I hadn't seen before.
[Anomalous Formation — Reference Data Insufficient]
I focused on the marker, trying to expand the information. The system responded with nothing—no additional data, no classification, no recommendation. Just the label and the coordinates.
One of the tunnelers—a dwarf named Korgrim who had worked with Brac for decades—ran his hand along the northeastern wall during his survey pass.
"Stone's warm here." His voice carried genuine confusion. "Not from the work."
I walked to where he stood and pressed my palm against the rock face. He was right. The stone held a warmth that shouldn't have been there—not the residual heat of recent excavation, not the geological warmth of volcanic proximity. Something else. Something with no obvious source.
"Brac." Korgrim's voice had shifted—still calm, but with an undertone of deference I hadn't heard from him before. "You should check this."
The foreman crossed the chamber without speaking. He touched the wall in three places, held his hand against each location for several seconds, and then stepped back. His expression didn't change, but something in his posture did—a settling, a decision.
"We work the copper seam south," he said. "The iron extension east. The northeast section..." He paused. "We leave alone for now."
"Why?"
Brac met my eyes. "Because I said so."
He turned and walked back toward the shaft entrance, issuing instructions to the crew about shoring priorities and cart rail placement. The northeastern wall stayed warm behind him, unexplained.
I found Brac alone at the surface that evening, checking the day's ore cart manifest against the production board.
"The warm stone," I said. "You redirected the tunnel without explaining why."
"I redirected the tunnel because I'm the foreman and the tunnel direction is my call." His voice was flat, not hostile—the tone of someone stating fact rather than arguing. "You want to know why I made that call, you're asking a different question."
"I'm asking both questions."
Brac set down his manifest. The evening crew was changing shifts around us, workers moving between the surface structures and the shaft entrances with the particular rhythm of a colony that had learned to function. He watched them for a moment before speaking.
"In deep Mahakam, there are stories about warm stone at depth. The old miners—the ones who dug the first tunnels, centuries before the trading houses organized—they learned which warmth was safe and which warmth was not." He paused. "The stories say the warm stone that has no fire source is the warmth of something that was there before the stone was. Something that waits."
"Waits for what?"
"The stories don't say. The stories say you don't find out by digging toward it uninvited."
I processed this. The explanation was cultural rather than technical—a protocol based on tradition rather than engineering analysis. In Edinburgh, I would have dismissed it as superstition. In this world, where systems appeared in my vision and nekkers nested in abandoned tunnels, I was learning that superstition and fact occupied closer territory than I'd once believed.
"You're not afraid of it," I said. Not a question.
"No. I'm applying the protocol my father's grandfather established when they first found warm stone in the Kovir approaches." His expression carried something that might have been respect—for the tradition, not for me. "You don't push something you don't understand. You work around it until you understand enough to push safely."
The engineering principle I didn't know was a principle. You don't load-test a material you haven't characterized.
"We work the copper seam south," I said. "The iron extension east. The northeast section stays alone until we understand it better."
Brac nodded once and returned to his manifest.
Brec found me at the working ledger later that night, adding notes about the Level 2 survey.
"You went still down there," he said. "When you touched the warm wall. Stayed still for almost a minute."
"Checking the stone."
"I've been tunneling for twenty years." His voice was quiet, matter-of-fact. "I've never touched warm stone that didn't have a fire source somewhere. Heat doesn't come from nothing."
"Brac said there are stories—"
"I know the stories. Grew up with them." He paused. "But I've also never been this deep before. Twenty years of tunneling, and Level 2 here is the deepest I've ever worked. Maybe the stories apply. Maybe my experience doesn't apply. Maybe both."
I wrote in the ledger: Warm stone, NE quadrant, Level 2. Brac's protocol applies. Brec's experience limits noted. Do not push.
The warm wall waited in the darkness below, unexplained. The copper seam ran south. The iron ran east. The anomalous marker pulsed at the edge of my map, labeled with a classification the system couldn't provide.
I closed the ledger and went to check the copper survey numbers. Some problems could be solved by digging toward them. This one required a different approach.