The walk to the forest edge was a two-mile trek through thinning grey grass and the encroaching shadow of the Blackwood. I didn't take a horse. The "old" Julian's body was soft, his lungs burning from a lifestyle of excess, but I pushed the pace. I needed the physical data of the land beneath my feet.
Marlo hurried behind me, clutching a wooden crate containing the few tools I'd managed to scavenge from the castle's neglected workshop: a brass surveying level, a spool of twine, and the ledgers.
"My Lord, please," Marlo wheezed. "The charcoal burners... they are not like the household staff. They are rough men. Since the pay stopped, they've become... volatile. Gunnar has them convinced that the Crown is going to seize their hearths because of the Baron's debt."
"Gunnar is managing his assets, Marlo," I said without looking back. "He's using fear to maintain a monopoly on the labor force. It's a standard move for a mid-level manager with no vision."
As we crested the final ridge, the scent hit me—bitter, heavy, and wasteful. Below us, the "kiln-field" was a graveyard of smoldering earth. Great mounds of dirt-covered wood leaked thick, yellowish smoke into the sky.
I stopped, my eyes narrowing as I performed a visual audit.
"Inefficient," I muttered. "They're losing forty percent of the carbon to oxidation. The heat gradient is completely uneven."
"Master?" Marlo panted, catching up.
"It's a disaster, Marlo. They're essentially burning money to make ash."
At the center of the camp, sixty men sat on fallen logs or crouched by the cooling pits. They were stained head-to-toe in fine black soot, their eyes white and wary in their dark faces. As we approached, a man stood up from a pile of Iron-Bark logs.
He was nearly a head taller than me, with shoulders like an ox and a thick, matted beard. This was Gunnar. He wore a heavy leather apron and a silver guild-chain that looked far too expensive for a man whose workers were starving.
"Well, look at this," Gunnar called out, his voice a gravelly boom that drew the attention of every man in the camp. "The Young Master has crawled out of his bottle. Come to tell us the gold is still 'on its way,' Julian?"
A few men spat in the dirt. The atmosphere was thick with a resentment that could easily turn into a riot.
I didn't stop until I was three feet from him. I was smaller, weaker, and dressed in ruined silk, but I looked at him with the same clinical detachment I used when staring at a contaminated slide under a microscope.
"The ledgers, Gunnar," I said. No greeting. No preamble.
Gunnar blinked, his smirk faltering for a fraction of a second. "The what?"
"The strike fund records. The grain receipts. The guild's internal accounts for the last three months." I held out my hand. "Marlo told you I was coming. I don't like repeating myself."
Gunnar let out a forced laugh, looking to his men for support. "The 'drunkard' wants to play clerk? You haven't looked at a book in five years, boy. Go back to your wine before you trip over a root."
I stepped closer, deep into his personal space. I could smell the cheap ale on his breath—ale that cost money his men didn't have.
"Gunnar, I'm going to give you exactly five seconds to hand over the books," I said, my voice dropping to a flat, dangerous register. "If you don't, I will declare this camp under Baronial Audit. That means I seize everything here—including your personal property—until the math is settled. And if I find you've been stealing from these men while they starve, I won't just fire you. I'll hang you from the highest Iron-Bark tree in this forest."
The silence that followed was absolute. The workers shifted, their eyes darting between me and their leader. Gunnar's hand twitched toward the heavy wood-axe leaning against his stump, but he hesitated. There was something in my gaze—a cold, calculating certainty—that didn't belong to the Julian he knew.
With a snarl, he reached into his satchel and slammed a grimy, leather-bound book into my hand. "Read it then! See if you can even see the ink through your hangover."
I opened the book. I didn't flip the pages; I scanned them.
My mind began a rapid-fire cross-correlation of the data. Projected wood intake vs. charcoal output. Grain purchases vs. manpower. Guild dues vs. strike duration.
It took me less than thirty seconds to find the "dead air" in his numbers.
"Entry fourteen," I said, not looking up. "Twelve gold crowns for 'emergency rye' from the Count's merchants. Interesting. Based on the current market price and the caloric needs of sixty men, that should have lasted six weeks. You reported it gone in ten days."
Gunnar stepped forward, his face reddening. "Prices are high! The merchants—"
"The merchants didn't triple their prices, Gunnar. You did," I interrupted, flipping to the back. "And Entry twenty-eight. Six gold for 'tallow and grease' for the sleds. But your sleds haven't moved since the strike began. That's eighteen gold crowns in just two months. Where is it?"
The workers were standing now. The resentment was no longer directed at me; it was beginning to pivot toward the man with the silver chain.
"You're lying!" Gunnar roared, raising a massive fist.
I didn't flinch. I didn't even look up from the ledger. "If you hit me, Gunnar, the men-at-arms Sir Kaelen left at the gate will be here within the hour. They won't care about the money. They'll just see a commoner who struck a Noble. Is that how you want this to end?"
Gunnar's fist stayed in the air, trembling.
"I told Marlo I was going to make you an offer you couldn't refuse," I said, finally closing the book and looking him in the eye. "Here it is. I am seizing these eighteen gold crowns as a 'voluntary' contribution to the Barony's new industrial project. You will stay on as Foreman, but you will follow every instruction I give without question. If the charcoal we produce in seven days doesn't outperform your best batch by double, I will give you the deed to the forest and let you hang me."
I paused, my eyes boring into his.
"But if you refuse... if you even think about lying to me again... I will execute the audit. I will show these men exactly how much white bread you've been eating while they shared a single loaf. And I will leave you to them."
Gunnar looked at the men behind him. They were no longer a "loyal strike force." They were a pack of hungry wolves, and I had just shown them who had been stealing their meat.
The meaning was loud enough to shake the trees: Work for me and live, or stay as you are and die.
Gunnar's arm dropped. His shoulders slumped. The "Manager" had been dismantled by the "Researcher."
"What... what do you want us to do?" he muttered, his voice defeated.
I reached into Marlo's crate and pulled out the technical sketch of the Retort Kiln. I flattened it against the ledger.
"Step one," I said, pointing to the base of a slope. "Stop digging holes in the dirt. We're going to build a furnace that bakes the impurities out of the wood. We're going to produce carbon so pure it will strip the bitterness from the very earth."
I looked at the men.
"We have thirty days to become the richest Barony in the North," I announced, my voice carrying with the authority of a man who had already seen the future. "The first phase begins now. Get the shovels."
The men didn't move at first. They stood in the grey morning light, caught between the shock of Gunnar's exposure and the sheer absurdity of my orders. To them, I was still the "Drunkard Heir," regardless of how well I could do sums in a ledger.
I didn't give them time to think. In a research environment, momentum is the only thing that keeps a project from stagnating under its own weight.
"Gunnar," I snapped.
The big man flinched, his eyes fixed on the dirt. "My Lord?"
"Divide the men into three teams. Team one: I want the existing charcoal pits cleared. Salvage every scrap of usable fuel. Team two: I need clay. The heavy, red river-clay from the bank half a mile East. Bring it by the cartload. Team three: Start felling the youngest Iron-Bark trees. Not the old growth—the saplings. I need high surface area and low moisture content."
Gunnar looked at the men, then back at me, his brow furrowed. "Clay? Master Julian, we're charcoal burners, not potters. If we build with clay, the heat will just crack it."
"It will crack if you use it raw," I said, walking toward a flat stretch of high ground overlooking the camp. I took a heavy stick and began carving a large, precise circle into the earth. "But we aren't making pots. We're making an insulator. We're going to build a twin-chambered retort."
I looked up at the sixty soot-stained faces watching me.
"The way you've been doing this for generations is a waste of physics," I announced, my voice carrying with a new, sharp edge. "You bury wood in the dirt and hope for the best. You're starving the fire of oxygen, yes, but you're also letting the most valuable part—the wood gas—escape into the clouds. We're going to trap that gas. We're going to feed it back into the fire. We're going to make the wood burn itself."
"Burn itself?" one of the older workers muttered, wiping sweat from his brow. "That's devilry."
"That's thermodynamics," I countered. "Gunnar, move. If the foundation isn't set by noon, I'll start deducting that missing eighteen gold from your hide instead of the ledger."
The threat acted like a spark in a dry forest. Gunnar roared at the men, his shame turning into a desperate need to exert authority. The camp exploded into a frenzy of activity. Shovels bit into the earth, and the rhythmic thud of axes against Iron-Bark began to echo through the valley.
I stood at the center of the circle, watching the chaos settle into the first stages of an assembly line. My head throbbed. The 'old' Julian's body was protesting the early hour and the lack of alcohol, a cold sweat breaking out across my neck. I ignored it. I had twenty-nine days left.
I knelt in the dirt, using the stick to sketch out the internal venting system.
The design was simple but revolutionary for this era. A central firebox made of stone and clay. Around it, a sealed clay vessel—the retort—where the Iron-Bark would sit. As the fire heated the vessel, the wood inside would break down, releasing flammable gasses. Instead of drifting away, those gasses would be piped into the firebox, creating a self-sustaining loop of intense, blue-flame heat.
The result wouldn't just be charcoal. It would be Activated Carbon.
Phase One: The Fuel.
Phase Two: The Filter.
"Master Julian?" Marlo whispered, stepping up beside me. He looked at the frantic workers, then at the strange diagrams I was drawing in the mud. "You... you truly believe this will work? Six hundred gold is a mountain of coin."
"The coin isn't the problem, Marlo," I said, my eyes tracking a group of men hauling the first load of red clay. "The problem is the monopoly. The Southern Merchants sell their 'Snow Salt' for ten gold a bushel because they claim it's a gift from the gods. I'm going to prove it's just a matter of removing magnesium ions."
I stood up, the world spinning for a second before my vision cleared.
"Marlo, I need you to go back to the castle. Take two men you trust. I need every copper pipe and lead fitting from the old brewery in the cellar. If the pipes are rusted, bring them anyway. I'll need a way to condense the gas."
"The brewery?" Marlo blinked. "But your father... he forbade anyone from touching his grandfather's stills."
"My father isn't here to pay the Count," I said, turning to watch Gunnar haul a massive stone toward the foundation. "And if we don't have those pipes, there won't be a cellar left for him to return to. Go."
As Marlo hurried off, I walked toward the river-clay team. They were dumping the wet, heavy sludge in a pile. I reached down, grabbing a handful and squeezing it. It was rich, plastic, and high in silica. Perfect.
"You there," I pointed to a young boy, perhaps fourteen, who was watching me with wide, curious eyes. Unlike the others, he didn't look resentful; he looked fascinated. "What's your name?"
"Pip, My Lord," the boy squeaked, dropping a load of firewood.
"Pip, I have a special task for you. I need you to gather the finest sand you can find from the riverbed. Sift it through a cloth. I want it as pure as possible. If there's even a pebble in it, the kiln will explode. Do you understand?"
The boy's eyes went wide. "Explode, My Lord?"
"Science is rarely quiet, Pip. Now move."
By sunset, the camp had transformed. The foundation of the first retort kiln was a circular stone altar three feet high. The red clay was being mixed with straw and sand, the men working by torchlight.
I sat on a stump, my hands black with soot and my silk shirt ruined beyond repair. My bones ached, and my stomach was cramping from hunger, but as I looked at the skeletal structure of the kiln, I felt a familiar spark of triumph.
This was the "Researcher's High." The moment the theory began to take physical form.
I looked toward the East, where the Salty Flats lay hidden in the darkness. Tomorrow, I would have to deal with the salt-miners—a group even more stubborn than the charcoal burners. But by then, I would have the "Offer."
I reached into my pocket and pulled out a small, jagged piece of the bitter Barony salt. I looked at it in the flickering firelight.
"Enjoy your bitterness while you can," I whispered to the salt. "Because in a week, you're going to be as pure as snow."
I stood up, ready to give the night-shift their orders. I was no longer a teacher, and I was certainly no longer a drunkard. I was the Chief Engineer of a dying Barony, and I was about to set the world on fire.