[Forest Perimeter — Day 14, Early Morning]
The tripwire was almost invisible.
Cal caught it at ankle height, a thin line of woven plant fiber strung between two saplings at the narrowest point of the northern approach trail. He'd been doing the dawn perimeter check — a habit now, seven days running, bare feet on the forest floor because the earthbending instinct demanded contact and the daily practice demanded repetition. The wire registered through his boots first, a faint vibration transmitted through sole leather into the balls of his feet, and he stopped mid-stride with one foot hovering.
The fiber was attached to a bent sapling rigged with a sharpened stake. Step through the wire, the sapling releases, the stake swings chest-high at the speed of a whip crack. Lethal if it hit clean. Disabling if it grazed.
Cal crouched and examined the mechanism without touching it. The craftsmanship was precise — knot work that spoke to years of practice, the sharpened stake carved from hardwood and fire-treated to glass-edge sharpness. No metal. No manufactured components. Everything sourced from the forest itself, the kind of engineering that Cal's Army Reserve training had covered under "improvised defensive positions" and that the Grounders practiced like breathing.
He marked the tripwire's location with a cairn of three stones — his personal notation system, meaningless to anyone who didn't know the code — and moved on.
The second trap was eighty meters clockwise. A snare — a loop of braided vine hidden under leaf litter, attached to a counterweight that would yank the victim skyward by one ankle. Non-lethal but immobilizing. Anyone caught in it would hang upside down, exposed, screaming, until whoever set it arrived.
The third trap was the one that made Cal's gut turn cold.
A deadfall. Two hundred kilograms of stacked stone, balanced on a trigger stick, positioned above a natural chokepoint where the game trail curved between two boulders. The kill zone was precisely the spot where a patrol would pause to scan the forest ahead — the instinctive behavior of anyone walking an unfamiliar path. Stop, look, assess. Die.
Three traps. Tripwire north. Snare northeast. Deadfall east. Arranged in a semicircular arc that covered every approach to camp from the forest's densest sector.
Not a hunting array. Hunting traps were scattered, opportunistic, placed along game trails and water sources. These were tactical — positioned to intercept human movement patterns, specifically the patrol routes Cal's people had been walking for two weeks.
The Grounders weren't preparing to hunt deer. They were measuring response time.
---
Cal returned to camp with a map scratched on a strip of bark and a decision that tasted like compromise.
He found Wells first. The Chancellor's son was at the water purification system — their system, the one they'd built on Day One, still running clean — checking flow rates with the methodical precision that made him invaluable and invisible in equal measure.
"I need you to call a meeting." Cal held up the bark map. "Bellamy, Clarke, you, me. Now."
Wells looked at the map. His expression shifted through recognition, analysis, and the quiet alarm of someone who understood tactical notation better than a seventeen-year-old should.
"Traps?"
"Three. Positioned on our patrol routes. Fresh."
Wells dried his hands on his pants and nodded once. "Clarke's in the dropship with Jasper. I'll get Bellamy."
Fifteen minutes later, four people stood around a flat rock near the south gate, and Cal laid the bark map between them.
"Tripwire here." He pointed. "Snare here. Deadfall here. All within a hundred-meter arc of camp's northern perimeter. All positioned on routes our patrols have been using since Day Three."
Clarke studied the map with the same clinical focus she brought to wound assessment. Bellamy leaned forward, jaw set, reading terrain. Wells stood back slightly, watching the other three.
"You found these on a routine perimeter check?" Clarke's voice was measured. Not accusatory — but the question had edges.
"I check the perimeter every morning. Walk the same routes, look for changes. Fresh-cut vegetation, disturbed soil, anything that wasn't there yesterday." All true. He didn't mention the earthbending practice, the bare feet, the vibration through the soil that had flagged the tripwire before his eyes had.
"These aren't random," Bellamy said. He traced the arc on the map with his finger. "This is a formation. Military."
Cal's estimation of Bellamy ticked upward. The man had instincts — raw, untrained, but sharp enough to read a pattern when it was presented clearly.
"They're profiling us," Cal said. "Testing our routes, our reaction time, our alertness. The tripwire would tell them how fast we respond to a triggered alarm. The snare captures a live prisoner for interrogation. The deadfall—"
"Removes someone permanently," Wells finished. His voice was flat.
Silence settled over the group. The morning sounds of camp — hammering, conversation, the clank of the water system — continued behind them, oblivious.
"So what do we do?" Clarke asked.
The question was directed at the group, but her eyes moved to Cal. He accepted the weight.
"We disarm them. We map the pattern. And we start running counter-patrols — routes the Grounders haven't observed, times they haven't tracked. We need to stop being predictable."
"I'll handle the disarming," Bellamy said. "My people—"
"Your people will trip the deadfall if they go in without knowing what they're looking for." Cal kept his voice neutral, a statement of fact rather than a challenge. "I'll disarm. I'll show your patrol leaders what to watch for. Then they run their own checks."
Bellamy's jaw worked. The reflexive pushback was visible — he didn't take orders, especially not from someone who'd been a nobody two weeks ago. But the trap map was in front of him, and the trap map was good, and the person who'd drawn it was the same person who'd built the water filter, designed the wall, and called the fog before anyone else could see it.
"Fine," Bellamy said. "Show Miller and Monroe. They lead the morning and evening patrols."
Cal nodded. "Clarke — we need a medical station inside the wall, not on the ramp. If someone triggers a trap we missed, the response window is minutes."
"Already planned." Clarke tapped the map where the dropship sat. "I'm moving the medical supplies off the ramp today. Interior station, near the door, with a stretcher ready."
"Good." Cal looked at Wells. "Logistics. We're burning through rations faster with the wall crews. Can you extend the supply three more days?"
"If I cut the evening portion by a third and supplement with the edible plants Monty identified."
"Do it."
The meeting ended the way meetings should — not with speeches or declarations, but with four people walking in different directions to do the specific work they'd agreed on. No ceremony. No authority dispute. Just the grudging, imperfect cooperation of people who'd been forced into the same problem.
Cal caught Clarke watching him as the group dispersed. The look lasted two seconds — long enough to communicate that another data point had been filed, another line added to the growing dossier of questions Cal Mercer's cover story couldn't answer.
An engineering student who read trap placement like a field manual. A teenager who briefed military formations as though he'd studied them his whole life. The same kid who'd spotted chemical weapons at half a kilometer and produced antiseptic from a supply kit that hadn't contained any.
Cal met her gaze, held it, then turned and walked toward the northern perimeter.
---
He disarmed the deadfall first. The most dangerous, the most urgent.
The trigger mechanism was elegant — a single stick, pressure-balanced, supporting two hundred kilograms of stacked stone. Remove the stick and the stones drop. Disturb the ground near the stick and the stick shifts and the stones drop. The kill zone was a three-meter radius, and anything inside it when the weight released would be crushed.
Cal knelt at the edge of the zone and studied the trigger for a full minute before touching anything. His hands were steady — steadier than they should have been. The combat instinct, the nanomachine-adjacent ability that accelerated skill absorption, was doing something beneath the surface of his awareness. His fingers moved with the certainty of someone who'd disarmed dozens of traps, though Cal had never consciously disarmed one in either life.
He reached in. Found the support stick. Applied lateral pressure — slow, controlled, one-sixteenth of an inch at a time — and eased the stick free while simultaneously bracing the lowest stone with his other hand. The weight settled. The trigger disengaged. The stones stayed stacked.
He sat back on his heels and breathed.
The tripwire was simpler — cut the fiber at the anchor point, disable the sapling's tension, remove the sharpened stake. The snare was trickiest — the counterweight was high, hidden in the canopy, and the vine loop required careful extraction to prevent the branch from whipping down.
By the time he'd disarmed all three, an hour had passed and his hands ached with the specific fatigue of prolonged fine-motor work. The calluses on his palms had split again — he could feel the wet warmth of blood in the creases, mixing with dirt.
He gathered the trap components. Sharpened stake. Braided fiber. Woven vine. Each piece was a piece of intelligence — materials used, techniques employed, the level of craftsmanship. The Grounders who'd built these weren't amateurs. They were trained, practiced, operating with discipline that suggested command structure and chain of orders.
Trikru territory. He remembered enough from the show to know the local clan. Warriors, fierce and territorial, led by a commander system that united the clans through blood and combat and the neural implant called the Flame. None of which he could explain to anyone without unraveling the entire fiction of his identity.
He carried the components back to camp and laid them out near the south gate for Miller and Monroe's briefing that afternoon. The sharpened stake caught sunlight. The fiber was stronger than rope.
Inside the dropship, Monty's transmitter sat on the workbench, its antenna pointing at the viewport slit, its circuit board pulsing with the low hum of contained electricity. Two days of work remained. The gain problem still hadn't been solved — Cal's idea about antenna modification had helped but not enough, and the signal strength remained below the threshold for orbital penetration.
Three hundred people. The number ticked in his head like a second heartbeat, and the transmitter wasn't ready, and the clock didn't pause for engineering problems.
---
Cal found a gap in the afternoon — thirty minutes between the trap briefing and the evening wall crew — and used it.
Fifty meters from camp. Bare feet on soil. The clearing where he practiced each morning, screened from the nearest patrol route by a stand of birch.
He'd been pushing pebbles for four days. Pebbles moved easily now — he could send a marble-sized stone skittering across the ground with a thought and a hand gesture, reliable, repeatable. Fist-sized rocks trembled when he focused. A stone the size of his palm had lifted an inch two days ago and cost him a meal's worth of calories.
Today he wanted more.
He found a rock. Proper rock, not a pebble. The size of a grapefruit, gray, embedded in the clay soil. He planted his feet, extended both arms, and pulled.
The rock shuddered. Dirt cracked around its base. Cal's arms trembled, the earthbending circuit running hot through his nervous system, demanding more power than his body wanted to give. The nanomachine hum spiked to a whine. His vision narrowed.
The rock pulled free.
It rose six inches off the ground and hovered there, wobbling, held aloft by nothing visible. Cal's arms shook. Sweat broke across his forehead. The caloric cost was immediate — a hollowing sensation in his gut, the biological equivalent of an overdraft notice.
He held it for three seconds. Then his concentration cracked, his right arm dropped, and the rock fell back into its hole with a dull thump.
Cal doubled over. Hands on knees. Breathing hard. The headache pounded like a hammer strike, and his stomach clenched with a hunger so sharp he nearly bit his own tongue.
But the rock had moved. Not a pebble. Not a clump of dirt. A rock — solid, heavy, real.
He spat into the dirt, straightened, and walked back to camp on legs that felt like they'd run a marathon. Three ration bars waited in his pocket. They'd be gone in twenty minutes. They wouldn't be enough.
---
Night. Day Fourteen tipping toward Day Fifteen. The camp was sealed — voluntarily, again, the fear of the fog having permanently reshaped sleeping habits. Cal sat on the dropship ramp, the only place with enough airflow to keep his overheated body from cooking in the press of ninety-six teenagers.
His right palm itched. The creation instinct, knocking again. Since the hydrogen peroxide on Day Two, he hadn't tried it — the caloric cost had been devastating, and with the deficit already deepening from earthbending practice, another creation attempt might put him on the ground. But the itch persisted, a reminder that the ability was there, waiting, ready to convert fat into material if he understood the chemistry well enough.
Inside the dropship, Monty hunched over the transmitter. His soldering iron traced lines of light across the circuit board, and the workbench smelled of heated flux and determination. The antenna modification had improved gain by forty percent. Not enough. The signal still died somewhere in the upper atmosphere, too weak to reach orbital receivers.
"What if we boost the power draw?" Cal asked from the doorway.
Monty didn't look up. "Then we burn out the crystal oscillator in eight seconds and we're back to zero."
"What about a relay? Bounce the signal off something at altitude."
"Off what? We don't have satellites."
"The Ark is a satellite. If we—" Cal stopped himself. The idea forming in his head required knowledge he couldn't explain — knowledge about the Ark's communication array, its receiver sensitivity, its frequency-scanning protocols. Information from a show he'd watched twice in another life.
He reframed. "What frequency does the Ark scan for distress signals?"
Monty's hands stilled. "Emergency band. 121.5 megahertz. Standard pre-war distress frequency."
"Can we tune to that?"
"I'd have to rebuild the oscillator circuit. Different crystal cut. Different—" Monty stopped. His eyes went wide. "That would work. Emergency band gets priority scanning. The Ark's receivers are always listening on 121.5. We wouldn't need to punch through — we'd just need to be loud enough for the passive receivers to pick up."
"How loud?"
"Less than half what we've been trying for." Monty was already reaching for the circuit board. "I can have it retuned by morning."
Cal leaned against the doorframe and watched Monty work. The transmitter's indicator light pulsed green in the darkness — alive, almost ready, one frequency shift away from reaching a space station where three hundred people were running out of air.
On the Ark, the Council was meeting. Cal didn't know the exact timeline — the show's episodes hadn't mapped cleanly to specific days — but the math was clear. Oxygen levels were declining. Every day without contact was a day closer to the decision point. And once the Council decided, three hundred people would walk into airlocks and the doors would close behind them.
Monty resoldered a connection. Sparks jumped, then died. The indicator light flickered, went red, and Monty muttered something that might have been a prayer in Mandarin.
"It'll work," Monty said. Not a promise — a statement of engineering faith. "By morning."
Cal nodded. "I'll be here."
He sat on the ramp, back against the hull, and counted the hours while Monty coaxed signal from wreckage and the Ark's oxygen ticked toward a number that would kill three hundred people who'd never done anything worse than breathe.
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Your Reviews and Power Stones are the best way to show support. They help me know what you're enjoying and bring in new readers!
You don't have to. Get instant access to more content by supporting me on Patreon. I have three options so you can pick how far ahead you want to be:
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