The mountain timber stood two miles north and eight hundred feet above the valley floor.
Dragging a four-ton pine log through three feet of wet snow was an exercise in pure high-pressure misery. A team of four draft oxen could haul only one trunk every six hours, their hooves slipping on frozen scree until their hocks were raw and bleeding.
Giles Croft stood at the edge of the high logging terrace. His boxwood folded rule extended along the steep slope.
The cold was sharpening by the hour. Across the northern ridge, the dark hemlocks stood stiff as iron spikes, their needles rimed with white needle-frost that drifted down like frozen dust whenever the wind gusted.
Below them lay the stockade of Rustgate, a sharp-angled brown island of peeled pine and smoking hearths nestled in the frosted gray marsh.
“Dry wood sliding over frozen snow has a dynamic friction multiplier of point six,” Giles said. He tapped the numbers onto his field pad with a graphite pencil. “The friction absorbs eighty-five percent of the draft animal’s tractive energy. If we lubricate the screen with rendered beef animal fat, the moving multiplier drops to point zero eight. That’s a sevenfold increase in clockwork smooth speed.”
Beside him, Master Caleb Thorne-Wood blew into his wool mittens, stamping his boots against the crust.
“You want to grease the mountain, Lord Giles?” Caleb asked, squinting down the steep ravine toward the distant wooden wall. “A timber chute two miles long?”
“A skidway,” Giles corrected. “A nonstop wooden trough built of two parallel eighteen-inch peeled pine stringers, notched into cross-ties every ten paces. Angle the track at a controlled four-degree fall. Gravity provides eighty percent of the motive force. One captured warhorse can steer four logs at once.”
Captain Kroll stepped up the ridge path, leading two of the heavy chargers captured during the court guard’s standoff. The horses were fitted with padded leather collars and trace chains forged in Borin’s newly upgraded hearth.
“My horses aren’t logging mules, Lord Giles,” Kroll rumbled, patting the broad neck of his black stallion. “These are royal battle mounts trained to break pike squares.”
“A horse is a living prime mover capable of generating one tractive horsepower,” Giles said mildly. “Whether it pulls an armored knight or four tons of load-bearing ash is merely a matter of harness rigging. Toby, sight the posture.”
Toby Karr paced fifty yards down the slope, his chalk-reel spinning out white cord between posture stakes.
“Track lined up, Lord Baron,” Toby shouted through the wind. “Straight through the birch saddle, bypassing the boulder field.”
Kenneth Drake leaned on his ten-foot iron-shod pacing rod. He watched Kroll’s wagon drivers uncoil the heavy iron trace chains.
“At Dun-Krag, the mountain corps used dry chutes to drop timber into the river gorges,” Kenneth remarked. “Half the logs shattered when they struck the bottom. The sparks from the rock slides set the brush on fire.”
“Uncontrolled gravity drops have an energy fading away failure rate of forty percent,” Giles noted, checking his spirit level. “A greased skidway maintains controlled end-post speed. The logs slide at eight miles per hour, held under tension by the brake horse. Zero timber shatter. Zero moving waste.”
* * *
Before the felling began, Giles walked the timber stand with Master Caleb, marking the trunks with red chalk.
“White pine for the wooden wall narrow high walkways,” Giles instructed. He measured the outer rim of a seventy-foot trunk. “Low thickness, straight grain, easy to work with hand planes. Red spruce for the castle wall posts and gate braces. Spruce has twenty percent higher crushing strength parallel to the grain.”
Caleb notched the bark with his hand-axe. “The spruce grows dense up here on the cold north face. Tight growth rings. You could build a battleship out of this wood.”
“We’re building defensive castle walls, not battleships,” Giles said. “Bram, start the two-man saws.”
In the clearing below, Borin Bronze-Lung had set up a portable charcoal hearth.
The dwarf stood over an anvil pinned to a hemlock stump, forging curved iron dogs—heavy staples of three-quarter-inch forged iron with sharpened barbs—used to link the four-ton logs into traveling trains.
“Iron dogs!” Borin shouted, hammering a glowing staple into shape with two ear-splitting clangs. “Drive them deep into the butt ends! If a chain slips on that four-degree slope, sixteen tons of pine will shoot straight through the camp like a runaway catapult bolt!”
* * *
For three days, the mountain slope echoed with the steady rhythm of felling axes and wooden mallets.
Twenty former hired blades, working alongside Bram’s High Timber sawyers, cleared an eight-foot swath through the hemlocks.
They laid peeled spruce logs end-to-end, scarf-jointing the timbers and pegging them to cross-ties embedded in the frozen gravel. Each joint was planed smooth with drawknives so that no protruding knot could catch a moving runner.
Dob sat on his wooden stool at the high chute entrance with an iron kettle of melted beef animal fat and a swab made of sheepskin on a pole.
“Slap it on thick, lads,” Dob called out, smearing the yellow grease along the timber runners. “Grease on wood! Slicker than an eel in a tub of butter! Stand clear of the chute or you’ll ride all the way to the wooden wall on your rump!”
Caleb rolled a massive thirty-foot pine trunk onto the head of the skidway. The bark had been peeled clean, leaving smooth white sapwood that gleamed in the winter sun.
“Chain the logs in tandem,” Caleb ordered.
Four heavy trunks were linked by iron dogs and trace chains. Kroll backed his black stallion into position, hitching the trace to the rear chain ring to act as a braking draft rather than a puller.
“Release the chock,” Giles commanded.
Bram knocked the oak wedge out with a sledge.
For a second, the four logs sat motionless in the grease. Then, with a soft hiss, the mass began to slide.
The logs gathered speed, gliding along the animal fat-coated rails with the easy grace of a river barge. The black stallion stepped calmly down the walking path beside the chute. It held the drag chain taut to prevent the timber from running wild on the curves.
Down in the valley yard, settlers watched in sheer shock as twenty tons of raw timber arrived at the sawpit in forty-five minutes.
“A miracle of speed,” a sawyer gasped, dropping his axe. “The trees slide down the mountain like otters on mud.”
“The trees obeyed moving friction reduction,” Giles muttered, checking his watch. “Shift speed is within three percent of projection. Toby, keep the animal fat swab wet.”
* * *
By the afternoon of the fourth day, the timber stockpile beside the wooden wall had reached five hundred logs.
Caleb’s apprentices were squaring twenty-foot baulks for defensive castle walls, while Borin’s water-powered bellows roared continuously in the forge.
Lady Millicent walked between the timber stacks with her tally-book, marking each log with a dab of red ochre.
“Five hundred and twenty mature trunks,” Millicent reported, showing the count to Giles. “Enough load-bearing framing for four extra castle walls, two granary extensions, and full stockade reinforcements. At royal market rates, this timber represents ninety gold sovereigns in town assets.”
“It represents wall strength,” Giles corrected. “A gold sovereign doesn’t stop an eight-hundred-pound hunting beast from breaching an outer edge.”
Maeve Swift-Ear dropped from the timberline, her copper-furred ears twitching as she jogged along the skidway path. She held her brass ear-trumpet in her belt.
“Lord Giles,” Maeve said, stopping beside him. “The sound hum in the rock is growing louder. It’s centered beneath Dead Pine Creek. There, the skidway crosses the ravine.”
Giles adjusted his woolen scarf. “Let’s inspect the crossing.”
* * *
Giles walked the lower section of the skidway with Kenneth Drake and Maeve, inspecting the runner wear where the track crossed the frozen gulley of Dead Pine Creek.
The creek was locked beneath three feet of black river ice, fed by ice-slow runoff from the northern peaks.
“The grade is holding,” Giles said, crouching down to examine the trunnel pins. “No lateral bending at the curve.”
Kenneth didn’t reply. He was standing on the ice of the frozen creek bed, staring down between his boots.
“Lord Giles,” Kenneth said, his voice flat and strained.
Giles stood up. “What’s it?”
“Look through the ice.”
Giles stepped onto the frozen creek. The ice here was not gray or cloudy like valley frost. It was clear as sight glass, tinted a vivid, unnatural cerulean blue.
Beneath the three-foot surface, suspended in the see-through ice, lay dozens of bodies.
They were wolves. Massive, white-furred dire-wolves, each seven feet long from snout to tail, with four-inch horns of semi-clear sapphire crystal curling back from their skulls.
There were thirty of them. They were locked in the frozen current like specimens in a sample jar.
Giles crouched low, pressing his face close to the ice.
“Ice-cold mid-air,” Giles murmured, his breath fogging the clear surface. “Preserved in an active mana matrix.”
Then, as Giles watched through the blue ice, the lead wolf’s front claw twitched.
A single, deliberate contraction of black muscle.
Deep within its frozen eye socket, a faint pinpoint of cold sapphire light flickered, brightened, and stared straight through the ice at Giles Croft.
Kenneth Drake stepped back, his hand snapping to the handle of his broadsword. “They aren’t dead, Lord Giles. They’re waiting.”
Kenneth Drake drew his short sword, tapping the flat of the blade against the blue ice. The sound was hollow, ringing like glass.
“Can we smash the ice, Lord Giles?” Kenneth asked, his knuckles white around the grip. “Take sledgehammers, shatter the shelf, and drag them out before they wake?”
“Negative,” Giles said, shaking his head. “Clockwork impact against active ice-cold holding is high-risk. If the mana lattice experiences sudden pressure release, the phase change could trigger an explosive exothermic thaw. Plus, they’re embedded three feet deep. Excavating thirty heavy quadrupeds with hand picks would need sixty man-hours we can’t spare.”
“Then what do we do when the ice gives way?” Kroll asked, staring down at the glowing sapphire eyes.
“We ensure our outer edge defenses are working before the surrounding heat triggers the thaw,” Giles said. “Every hour we spend staring into this ice is an hour not spent digging the counterscarp. Kenneth, post a two-man picket on the ridge above the creek. If the blue light brightens, they ring the sector bell.”
* * *
Giles stood up slowly, dusting ice crystals from his trousers.
“The mob spawn has already initialized,” Giles said. “They’re thawing as the earth-heat tremor rises. We have less time than the model predicted.”