Fallout 4: Rebirth At Vault 81

Chapter 615: 569. Stay Behind at The Castle



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Sico left the coordination post and made his way up the central tower. From the lookout platform, the whole world unfurled below him: the craggy bluffline to the east, the gleaming sheet of ocean beyond it, and the distant rise of what had once been Boston to the northwest. Smoke curled somewhere beyond the skyline. Not fire, not yet—just the constant, shifting breath of the wasteland.

The next morning broke in tones of gold and grey, the light slanting through the eastern watchtowers as gulls wheeled lazily over the harbor. From his window high in the Castle's central keep, Sico stood shirtless, still toweling the sweat from his shoulders after a quick morning wash. The basin beside him steamed faintly in the cool air. Outside, the morning hum had begun anew—gravel crunching under boots, tools striking metal, quiet radio chatter among squad leads checking rosters and readiness reports.

He didn't linger. There wasn't time for reflection today, not yet. The last week had been about securing the Castle, reinforcing its defenses, and pushing back the chaos that had threatened to undo them. But now, it was time to reset the balance of the wider territory. Sanctuary needed her people back. The convoy that had arrived with fire and steel now needed to become one of renewal—of return.

By the time he stepped out into the courtyard, leather coat drawn tight against the crisp sea breeze, he'd already summoned the names in his head. Preston. Robert. MacCready. Three voices he trusted in different ways, for different things. Each would be vital for what came next.

He found Preston first near the north side of the Bastion frame, discussing something with Rea as they inspected a series of exposed capacitor slots. From a distance, Sico could tell Preston was patient, listening but firm, while Rea gestured with the wild precision of someone juggling too many variables at once.

"Morning," Sico said as he approached.

Preston looked up, giving a nod. "You're up early."

"So are you."

"Rea's been on me about the stress tolerances of the struts. She thinks we need to reinforce them with carbon plating."

Rea folded her arms. "Not think. Know. Otherwise, the heat exchangers will warp when the capacitors reach peak charge."

Sico held up a hand, amused. "I'll leave that argument for later. Right now, I need Preston."

Rea raised a brow but didn't protest. Sico walked with Preston a few steps away, far enough from Bastion's workers to speak clearly without being overheard.

"We're sending the soldiers back," Sico said. "The ones who came with us in the last convoy. All of them."

Preston stopped short. "All of them?"

Sico nodded. "They've done their job. We reinforced the Castle. We held against the worst of it. Now it's time to rotate them out, get them rest, and redistribute strength where we need it most. Sanctuary needs boots on the ground again. Patrol lines up north have gone quiet, and I want Sanctuary fully staffed before we draw more attention."

Preston considered that. "We still have the militia here. The Castle's strong now, but the threat hasn't vanished."

"And that's why we leave only what's essential," Sico said. "Command core. Engineering. Wall gunners. We'll rotate in a new squad in a few weeks, once we're sure of the perimeter stability. For now, the heavy guns go back."

Preston nodded, seeing the logic. "Robert and MacCready?"

"Already on my list. Let's find them."

They didn't have to go far. Robert was in the mess tent, of all places, leaning over a schematic with a coffee mug steaming beside his elbow. As usual, his long coat was half-buttoned and stained with grease, a pair of thick engineering gloves shoved into his belt. He looked up when Sico and Preston stepped in, and without waiting for pleasantries, Sico laid it out.

"We're sending the convoy back," he said. "Fifteen trucks, four Sentinels, eight Humvees. I want you leading half of them. You'll report directly to Sarah once you reach Sanctuary, start prepping for the next engineering supply drop."

Robert sat up straighter, his fingers twitching toward the schematic reflexively. "That soon?"

"Yeah, but the groundwork starts now. We need more grid reinforcement, spare wiring, medical stations for the outer settlements. You know what to prioritize."

Robert looked at him for a long moment, then nodded. "I'll get my gear."

They found MacCready near the southern rampart, barking orders at a squad of younger fighters as they ran drills through simulated breaches. The ever-present scruff on his jaw made him look perpetually half-awake, but the moment Sico explained the plan, his eyes sharpened.

"Going back to Sanctuary, huh?" he said, adjusting his shoulder harness. "About damn time. I'll get them ready. We'll roll out clean."

Sico clapped him on the shoulder. "Make sure the Sentinels are prepped for low-speed formation. I don't want them overheating."

"Got it. They'll roll smooth as butter. You coming with us?"

Sico shook his head. "Not this time. I stay here."

MacCready didn't argue. He just nodded once, firmly.

By midday, the orders had been passed. The Castle's outer yard buzzed with the motion of a fortress reorienting itself. Soldiers moved with measured urgency, repacking their field gear, loading supply crates onto truck beds, checking tires and coolant valves under the hood of each Humvee. Dunn's team issued ammo belts and rations from the armory in labeled containers, ticking names off a return manifest that stretched four pages long.

The Sentinels, towering and powerful, their missile pods gleamed under the sun, and technicians crawled across their armored hulls, rechecking actuator response rates and auxiliary coolant feeds.

Rea stood nearby with her team, watching the loadout carefully. One of the convoy techs approached her with a handheld device showing grid metrics.

"You good with letting Bastion hold up without them?" Sico asked quietly, appearing beside her.

Rea didn't look over. "We'll be fine. You gave us the spares. And Bastion's just a frame now. It's not a weapon yet."

"It will be," Sico said. "Soon."

She nodded, faintly. "That's why I'm not panicking."

Nearby, Preston was moving between squads, double-checking lists with Calder, who stood nervously with a radio set hanging off one shoulder. The new liaison looked out at the sea of soldiers preparing to leave and seemed overwhelmed. Preston offered him a steady hand, a short nod.

"You're in charge of the patrol lines now," Sico reminded Calder when he approached. "Anything you're unsure about, check with Hennings. And keep your scouts rotating. No one should be out for more than four days at a time."

"I understand, sir," Calder said, standing a bit straighter.

MacCready slung his rifle over his back and whistled to one of the drivers, motioning them to move the first Humvee into lead position. Robert oversaw the loading of fusion cores into a sealed crate near the Sentinel line, occasionally scribbling notes in a field ledger he kept clipped to his belt.

By late afternoon, the convoy was ready.

The trucks formed a long, low-profile formation near the outer walls, the Sentinels positioned in alternating flanks with Humvees anchoring the outer edge. The sun was beginning to dip low, the light glowing amber across the worn stone of the Castle walls. Every vehicle was marked, scanned, and accounted for.

Sico walked the length of the convoy personally. He checked each Sentinel's HUD calibration. He ran his hand along the canvas siding of the lead supply truck. He stopped at the second Humvee, where a young soldier—Juno, he recalled—sat nervously in the driver's seat.

"You did good here," Sico told him. "Hold steady on the way back. Don't push the engine if it starts to lag uphill."

Juno gave a sharp nod. "Yes, sir."

Preston and Robert stood near the lead truck now, both in full gear. MacCready had already hopped into the third Humvee and was lighting a cigarette, half-hidden in its shade. Sico stopped in front of Preston and extended a hand.

"Tell Sarah everything," Sico said. "Every crack, every scratch. We'll need her eyes more than ever soon."

"I will," Preston said, gripping his hand firmly. "And we'll be back."

Robert stepped forward, expression less formal but no less determined. "I'll start the next list the moment I get there."

"Good."

Sico turned his gaze one last time to the horizon. The road to Sanctuary was long, but safe now, at least for today. The Freemasons Republic had held. Now they had to sustain it.

The lead truck's engine rumbled to life, a low purr of tuned combustion. One by one, the rest followed, each vehicle joining in a mechanical harmony that reverberated through the Castle's bones.

Sico raised his hand.

"Convoy, move out."

The order echoed clear and final.

The wheels turned. The gates opened. The convoy began to roll—trucks first, then the Humvees, then the titanic bulk of the Sentinels lumbering forward in flawless sync. Dust kicked up behind them as the column snaked down the winding path from the Castle toward the cracked coastal highway.

Men and women leaned out of their posts atop the battlements, some saluting, others merely watching in silence. One of the younger recruits, standing beside Sergeant Hennings, whispered something about how big the Sentinels looked when they moved.

The gates sealed shut behind the last Humvee.

And then, the Castle was quieter again.

The wind stirred faintly as the last echo of engines faded down the coastal road, leaving behind only the gulls and the sighing sea. Dust settled like memory across the old courtyard stones, the kind of silence that wasn't empty, but earned. For a long moment, Sico stood alone, his coat catching the breeze at the hem, the radio on his hip crackling with background static and low murmurs from the battlements. He could still feel the weight of each handshake, the tension in each departing glance. They weren't just soldiers heading home—they were reminders of how close they'd come to losing everything. And how hard they'd fought to hold on.

He turned slightly, gaze drawn northward toward the sea-battered horizon. From here, Sanctuary was just a line in the back of his mind, a place held in memory and responsibility. A place he'd helped rebuild once already. But behind him, the Castle—scarred, battered, but unbowed—still needed more from him.

He heard the footsteps before he saw her.

Boots on stone, a confident gait, measured like someone who'd earned their pace. Ronnie Shaw came up beside him, the wind tugging at her short greying hair, her arms crossed against the chill. She looked out toward the vanishing convoy for a beat, her eyes narrowed in thought, then spoke.

"So," she said, voice rough like worn leather, "why doesn't the President head back to Sanctuary with the convoy he came here with?"

Sico didn't turn to her right away. He watched until the last blur of Sentinel shadow disappeared down the rise, until it was clear they were truly gone.

Then he said, quiet but firm, "Because I need to stay here."

Ronnie arched a brow. "That so?"

He nodded. "Until the Castle is fully back to what it was before the Mirelurks hit it. Better, even."

Ronnie let out a dry chuckle, not mocking—just weary. "You always this stubborn, or is that part of the job now?"

Sico finally looked at her, the ghost of a grin on his face. "Comes with the coat."

They stood in silence a moment longer, two war-weathered veterans at the edge of something not quite finished. The Castle loomed behind them, and though most of its walls had been patched and the Bastion skeleton was halfway upright, it still bore the blackened scars of that last queen's assault—burned stone, shattered parapets, collapsed mortar lines. It wasn't just about infrastructure. This place carried a spirit. And that spirit had bled.

"I thought you might say something like that," Ronnie muttered, folding her arms. "Can't say I disagree either. These old stones? They need hands, not just orders. And you got both."

Sico glanced sideways at her. "How's your crew holding up?"

Ronnie exhaled. "Better now that the Sentinels gave those Mirelurks something to remember. Morale's high, but you know how it goes. High morale don't fill sandbags. Don't rebuild walls. We need hands."

"And they'll get them," Sico said, already turning back toward the courtyard. "We'll draft new teams from nearby settlements. Volunteers. I'll send word through Calder, make it clear this isn't a fight anymore—it's a reconstruction. Might even draw in some old Minutemen."

Ronnie's eyes crinkled slightly. "Been a long time since I heard that name without bitterness."

Sico stopped and looked back at her. "Time to change that."

She nodded once. "I'll gather my foremen. You start the word rolling."

They parted ways there, but the morning's fire hadn't burned out. If anything, Sico's mind ran hotter now. He stepped briskly across the inner yard, pausing to nod to a few lingering troops still packing the last of the heavy crates for long-term storage. By the time he reached the war room—a command chamber built into the lower level of the Castle's keep—he already had a rough mental list forming.

Inside, the room still carried the sharp scent of hot wiring and stale concrete, the dim lighting humming softly over the array of maps, terminals, and metal tables strewn with schematics. Rea was there already, poring over a holomap of Bastion's stabilizer grid. She didn't look up as he entered, simply held out a datapad toward him.

"Field relay's back online. North pylon's working. South one still surges under strain. We'll need to cannibalize another core if we want to smooth the output curve."

Sico took the pad, scanned it, and handed it back.

"Hold off on the core swap. I want to try realignment first. See if we can push through without draining another piece of tech we'll regret later."

Rea looked up, surprised but not opposed. "You're staying, then."

"I am."

She gave a short nod, then turned back to her screen. "Good. We'll get it done."

Word spread quickly through the Castle that the President wasn't leaving—that the Freemasons' leader was staying behind to see the work through. It wasn't a grand declaration, and it wasn't meant to be. But for those who remained, the effect was clear. The feeling that they were not abandoned. That this place still mattered.

In the next few hours, Sico oversaw the reallocation of watch schedules and resource bins. Calder coordinated scouts along the eastern ridgelines, while Hennings worked with Ronnie to create staggered repair timelines for each defensive tier. The south wall, still pocked with Mirelurk acid burns, was prioritized. Its gun towers had stood empty since the attack, but now, fresh steel braces were being measured.

By early evening, fires had been lit in the yard for warmth, and men and women gathered around them in small clusters. The tone was less tense than it had been in days. They weren't preparing for war anymore. They were building something.

Sico sat near one of the central fire pits, going over dispatches with Rea and Hennings. They shared the rough outline of a three-week timeline for stabilizing Bastion's support pylons, followed by phased armament tests. A proper targeting system was months away, but even at half power, Bastion would serve as both deterrent and shield.

"You really think we'll be ready before winter?" Hennings asked, his voice low.

Sico didn't hesitate. "We don't have a choice."

As the fire crackled and shadows danced across the keep's weathered walls, Ronnie reappeared, a bundle of aged blueprints under her arm. She dropped them onto the table, sat without asking, and pointed to a faded line traced in old pencil.

"You see this?" she said. "That's the original north barracks. Buried when the Minutemen fell. We excavate that space, reinforce it, and we've got room for sixty more troops. Maybe more if we double-bunk."

Sico studied the line. "Do it. But use cross-beams. We're not risking another cave-in."

"You got it."

They didn't talk much after that. Just worked. Quiet collaboration beneath the rumble of progress.

Outside, the Castle slept fitfully. Watchmen paced the walls with rifles slung low, their eyes scanning the waves not for monsters, but for driftwood and sea debris. For once, it wasn't fear that kept them alert—it was pride.

Just after midnight, Sico stood again at the edge of the battlements. The moon hung fat and silver above the sea. Below, the coastline shimmered in soft bioluminescent flecks. He remembered what it looked like during the siege—lit by fire, churned by claws and acid, the walls crawling with creatures that should never have made it this far inland.

And he remembered the moment they pushed them back.

His hand curled over the worn stone. It was still scarred, the place where he'd stood when he gave the order for the Sentinels to fire. The blast marks were faint now, but they were there. As if the stone itself remembered.

Behind him, he heard footsteps again.

"Couldn't sleep?" Ronnie asked.

Sico didn't turn. "Didn't try."

She stepped beside him, her gaze quiet. "You know, the last time the Castle was this alive was… before everything fell apart. It's not just stone you're rebuilding. It's belief."

Sico nodded slowly. "We hold this place, we hold the coast. We hold the coast, we protect the heart."

"You always think that far ahead?"

"Someone has to."

Ronnie grunted. "Still, would've been nice to have you at Sanctuary. Sarah's gonna curse your name when she finds out you stayed."

"She already does," he said, a faint smile playing on his lips.

The sea wind swept over them again, strong and cold, and yet somehow cleaner than before.

Sico leaned a little heavier on the battlement edge, fingers tightening on the stone, as the wind came in colder this time. He watched the surf drag itself along the dark shoreline like a tired old dog, worn out from barking at ghosts. The sea no longer sounded like war drums. Tonight, it sounded like breath. Like the Castle was finally inhaling after holding its lungs tight for too long.

Beside him, Ronnie remained silent for a stretch, giving the moment its room. She didn't fidget or fill the space with idle talk like some did. She had the discipline of someone who'd seen too many comrades die just feet away. People like that learned to value silence—the kind that came when the fighting stopped, even if only for a night.

Sico finally turned his head, casting a glance sideways.

"How's the Castle farm?"

Ronnie blinked, as if surprised by the question. "The farm?"

"Yeah," he said, straightening up. "I never asked after the last wave. Did the Mirelurk horde hit it hard?"

Ronnie took a moment to respond, her brow furrowing as she looked off toward the west courtyard where the terraced planters and makeshift irrigation lines carved through the ground. From this high up, the darkness swallowed most detail, but she could picture it clearly. She'd been there every damn day for the last week and a half.

"Well…" she started, scratching the side of her nose. "Got hit a little. A few bastards broke off from the main wave and clawed their way in through the lower access point. Tore up the southeast edge—tossed a few barrels around, trampled some corn and peppers. But we managed to hold 'em off long enough to keep the greenhouse lights powered and the root beds intact."

Sico's eyes narrowed with concern, but she waved a hand.

"Relax," she said. "We saved most of the crops. Lost a row or two, sure, but nothing we couldn't replant. It's already rebuilt. Back to full operation as of three days ago."

He exhaled, tension bleeding out of his shoulders. The Castle farm wasn't just a source of food—it was a symbol. A promise to every settler who chose to live near the coast. A reminder that life could grow again in this broken world.

"That's good," he murmured. "Real good."

Ronnie gave a soft huff, the ghost of a smile curling beneath her worn expression. "You're not the only one who knows how to be stubborn, you know. I put my best men on it. Engineers from Quincy, couple scavver kids who didn't know a hoe from a hammer, but learned quick. We salvaged some hydro wiring from an old Mass Fusion trailer down the road. Now we've got the drip system running again. Efficient, too. We'll be pulling in a decent fall harvest if the weather holds."

Sico nodded with clear respect. "That'll mean less reliance on trade convoys."

"Exactly," she said. "And fewer convoys mean fewer risks. Raiders still skirt the old I-95 routes, and I don't like trusting any more arms dealers than I have to, not after what happened near Warwick."

She stopped there, not elaborating. She didn't need to.

Sico didn't ask either. He remembered. They both did.

Ronnie's eyes drifted back to the dark. The firelight below danced off the courtyard walls, casting long silhouettes of those still awake, still at work—some hammering, others talking softly around open crates. There was warmth down there, and movement, but also a strange kind of stillness in it all. Not the stillness of fear, or death—but the kind that came when you knew, even just for tonight, that you'd earned your rest.

"You know," she said, quieter now, "the first time I ever came to the Castle, I was maybe twenty. Still had more fire than brains. Thought this place was just some broken ruin. A relic. Didn't understand what it meant. Not really."

Sico listened in silence.

"But then," she continued, "we fought off a raider siege. Just a few dozen of us and barely any ammo. And after the last one ran, we stood here, same spot you're standing, watching the sun come up over the ocean. That's when I got it. The Castle ain't just stone and guns. It's a promise. To not give up. Even when everything says you should."

She looked at him then.

"That's what you're doing now. Staying here. Making that promise again."

Sico met her gaze. "It's not just for show."

"I know it's not," she said. "That's why it matters."

They stood like that for another long minute, shoulders squared toward the sea, until the breeze began to carry a sharper chill, creeping under collars and against the bones. Sico rolled his neck and stepped back from the edge.

"Come on," he said. "We should check the lower platforms. Want to make sure the new welds on the southern scaffolds are holding. Last thing we need is a storm pulling it all down again."

Ronnie gave a soft grunt in agreement and followed. The walk down the stairs echoed with the familiar clink of old rebar underfoot, and though they passed a few watchmen on patrol, none interrupted them. Just nods and quiet greetings—nothing more. The kind of respect you didn't earn with speeches, but with sweat and stubbornness.

The southern end of the Castle bore the heaviest scars. Massive gouges in the earth from where the Mirelurk Queen's final charge had torn through barriers, trenches, and men alike. Charred remains of the last wall barricade still lined the edge, though much had already been cleared. Halfway down the ramp, floodlights from the east cast angled shadows over the skeletal frame of Bastion, where torchlight revealed the silhouettes of two mechanics on the pylon scaffolds.

Sico gave a low whistle.

"They're still at it?"

"They volunteered for night duty," Ronnie said. "Didn't want to lose momentum."

"They'll burn out."

"Maybe," she said. "But they'd rather burn a little than let the work stall. That's what this place does to you. Gets in your blood."

They reached the scaffold base, where one of the mechanics—Elan, a wiry, soft-voiced woman from Nahant—climbed down to greet them. Her face was smeared with grease, goggles pushed back on her head.

"Pres. Shaw," she said with a small nod. "No issues so far. The new welds are holding fine. We reinforced the northern braces too, just in case the load shifts in the storm."

"Good," Sico said, stepping forward to inspect the support base. "Don't overwork yourselves. Rest in four-hour shifts. I want people sharp, not heroic."

Elan grinned tiredly. "Yes, sir."

As she went back up, Ronnie crossed her arms, watching her for a beat.

"They'd follow you into hell, you know," she said.

Sico raised an eyebrow. "Because I stuck around?"

"No," she said. "Because you never leave when things get hard."

He didn't answer right away. Just kept his eyes on the frame of Bastion, watching the wind shift through its massive metallic spine. It still looked like a ruin. But with the pylons up and the grid stabilizers finally humming, it was more than it had been since the day it was conceived.

And more than that—it was hope.

Just Before Dawn

By the time Sico and Ronnie returned to the inner yard, the fires were mostly dying embers, and only a few figures moved through the stone corridors. Rea had gone off to crash for a few hours, and Hennings was curled up under a tarp against the north tower base, jacket draped over his face to block the rising light.

Sico stepped into the war room for just a moment to grab his long coat—thicker, lined for the chill—and when he came back out, Ronnie was still standing in the middle of the yard, hands on hips.

"Thinking about staying up till sunrise?" he asked.

She shrugged. "Might."

He smiled faintly and gestured toward the rampart walk.

They climbed again, quietly, the air sharpening as the stars began to fade. Along the waterline, the first streaks of rose and ash bloomed across the edge of the world. Light spilled slowly over the wet sand and glinted off shell fragments still buried in the tide.

________________________________________________

• Name: Sico

• Stats :

S: 8,44

P: 7,44

E: 8,44

C: 8,44

I: 9,44

A: 7,45

L: 7

• Skills: advance Mechanic, Science, and Shooting skills, intermediate Medical, Hand to Hand Combat, Lockpicking, Hacking, Persuasion, and Drawing Skills

• Inventory: 53.280 caps, 10mm Pistol, 1500 10mm rounds, 22 mole rats meat, 17 mole rats teeth, 1 fragmentation grenade, 6 stimpak, 1 rad x, 6 fusion core, computer blueprint, modern TV blueprint, camera recorder blueprint, 1 set of combat armor, Automatic Assault Rifle, 1.500 5.56mm rounds, power armor T51 blueprint, Electric Motorcycle blueprint, T-45 power armor, Minigun, 1.000 5mm rounds, Cryolator, 200 cryo cell, Machine Gun Turret Mk1 blueprint, electric car blueprint, Kellogg gun, Righteous Authority, Ashmaker, Furious Power Fist, Full set combat armor blueprint, M240 7.62mm machine guns blueprint, Automatic Assault Rifle blueprint, and Humvee blueprint.

• Active Quest:-


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