The subterranean tram rattled violently along the rusted rails, the rhythmic clatter vibrating up through the soles of Arthur's armored boots. Within the cramped carriage, the emergency lighting bathed the squad in a sickly, luminescent green—the signature hue of the corrupted VI that had seized the black site. Across the narrow aisle, Zero leaned casually against the vibrating metal wall, her dark eyes tracing the etched silver plating of Arthur's Blood Dragon armor with predatory appreciation, entirely unbothered by the impending threat. Shepard stood rigidly near the front viewport, her N7 armor pristine despite their earlier firefight, her jaw clenched tight with focus. The heavy tension in the car was abruptly shattered by a burst of frantic static over their encrypted comms channel.
"Commander Cousland, do you copy?" Dr. Archer's voice broke through the interference, sounding breathless and desperate. "The VI... it's bypassing the physical damage you did in the control room. It's using the dish's auxiliary servos to align the antenna manually. You don't have much time. I'm reading a clear transmission window with a derelict orbital relay satellite opening in exactly nine minutes. If it beams its source code into the upper atmosphere, it's over. Every dormant Rapture on the surface, every automated defense grid in the Ark... they'll all will eventually become extensions of its hive mind. It wants the world, Commander. It's preparing for a mass broadcast."
"Understood, Doctor. We're arriving at the silo now," Arthur replied, his voice a calm, metallic rumble through his helmet's external speakers. The tram let out a piercing screech as the hydraulic brakes engaged, throwing sparks against the tunnel walls before grinding to a violent halt. The side doors hissed open. The squad spilled out into a cavernous, subterranean silo that defied comprehension. The air was frigid, tasting of ozone and ancient rust. Above them, suspended by titanic steel cables and monolithic support pillars, sat the communications dish—a sprawling basin of pre-war engineering the size of a city block, currently groaning as hidden gears forced its face toward the open blast doors in the ceiling far above.
Directly ahead lay a sprawling network of grated mezzanine catwalks that zig-zagged downward toward the central housing of the dish. "Stay tight," Arthur ordered, raising his N7-Typhoon. "The VI knows we're here." The moment Arthur's heavy boot touched the first downward step, the shadows beneath the grating twisted. A Scimitar-class Rapture, its rocket pods humming with lethal intent, detached itself from the support strut below, flanked by two heavily shielded Waller-class units.
Before Arthur could bark an order, Shepard was already moving. It was a masterclass in N7 lethality. Shepard vaulted over the railing, sliding down the angled support beam to bypass the Wallers' forward-facing energy shields. In one fluid motion, she swapped her assault rifle for a heavy shotgun, driving the barrel directly into the exposed neural core of the left Waller. The blast shattered its chassis. Without pausing, she hurled a localized biotic singularity at the Scimitar, ripping it off balance, before snapping her sidearm from her holster and placing three perfectly grouped armor-piercing rounds through the optical sensors of the remaining Waller. The entire engagement lasted less than four seconds. Arthur lowered his weapon, giving her a slow, appreciative nod. Shepard merely holstered her pistol, offering a terse, professional affirmative.
They advanced swiftly down the catwalks, the ambient green glow of the VI's corruption pulsing through the heavy cables lining the walls. At the edge of the abyss separating the catwalks from the central dish housing, a standalone terminal flickered. As Arthur approached, the sterile, dual-layered voice of the VI echoed from hidden speakers. "Warning. Satellite broadcast window opening in seven minutes. Pre-flight alignment complete." Arthur slammed his Cerberus-alloy hand onto the override controls. Hydraulic locks disengaged with a deafening clank, and a massive, reinforced steel walkway extended from the mezzanine, locking into the heavy blast doors at the base of the dish.
They sprinted across the exposed bridge, the sheer drop below swallowing the sound of their heavy boots. But the VI was not going to let them simply walk into the broadcast hub. As they closed within twenty meters of the blast doors, a sudden barrage of suppressive fire erupted from their left flank. Clinging to the vertical walls of the silo were half a dozen Scimitars, their rocket pods already cycling, protected by a phalanx of Wallers sliding out from hidden maintenance alcoves.
"Ambush! Left side!" Ash roared, dropping to a knee and unleashing a volley from her sniper rifle. "It's trying to stall us!" Arthur shouted, his Omni-blade flaring to life as he sliced a stray rocket out of the air, the detonation washing harmlessly over his kinetic barriers. "Covering fire! Kasumi, get that door open!"
The squad threw themselves against the thick metal barricades lining the walkway. Zero laughed, a wild, thrilling sound, as she launched a massive biotic shockwave that sent two Wallers spiraling into the abyss. Shepard and Ash laid down a punishing crossfire, systematically stripping the shields off the remaining Raptures. Kasumi shimmered into visibility at the blast door console, her fingers flying across her glowing Omnitool, bypassing the complex encryption while high-caliber rounds sparked against the metal inches from her head. "Got it!" she yelled, as the heavy doors hissed apart.
The team poured into the darkened interior of the dish's base, taking immediate cover behind a series of heavy coolant tanks as the blast doors sealed shut behind them, cutting off the remaining exterior fire. The cavernous room was a labyrinth of server racks, pulsating power conduits, and elevated maintenance ramps. But there was no time to catch their breath. The unmistakable, high-pitched whine of a high-velocity particle beam tore through the air, superheating the steel tank Arthur was crouching behind. A slim, four-legged sniper Rapture was perched on a distant gantry, its elongated optical lens tracking their every movement.
"Sniper! Pinning us down!" Shepard called out, keeping her head low as another beam scorched the air inches above her helmet.
"Don't push too far in," Arthur commanded, reading the tactical layout of the room. "If we rush the center, we'll trigger whatever else is waiting in the wings. We hold near the entrance, move cover to cover, and deal with them piece by piece to avoid getting flanked."
It was a grueling, methodical advance. Ash utilized the thick server columns, trading precise counter-sniper fire with the four-legged mechanical beast, while Zero and Arthur suppressed the scuttling Ants that tried to flush them out of their entrenched position. Finally, a perfectly timed shot from Ash shattered the sniper Rapture's focusing crystal, sending it crashing down into the sparking machinery below.
The momentary silence was violently broken by a deep, mechanical roar that vibrated the floorboards. From the elevated staircases and ramps bordering the room, a new wave poured in. Scimitars set up firing lines on the high ground, raining machine-gun fire down upon them. But the true threat emerged from the shadows beneath the stairs: a towering Lord-class Rapture, its heavy armor plating glowing white-hot as it unlimbered a massive, dual-nozzle flamethrower. It unleashed a torrent of liquid fire across the floor, turning the lower level into a hellscape of melting metal and suffocating heat.
"Watch your flanks! They're trying to surround us!" Arthur bellowed, the thermal warnings in his Blood Dragon armor screaming as the temperature spiked. "Zero, Shep, keep those Scimitars off us! Ash, focus fire on the Lord's fuel tanks!"
Arthur stepped out from cover, intentionally drawing the Lord Rapture's aggro. He braced his prosthetic legs, projecting an overcharged kinetic shield from his armor that hissed and popped against the relentless stream of liquid fire. The heat was immense, blistering the paint on his armor, but he held the line. Above him, Zero and Shepard moved with lethal synchronization, combining biotic lifts with concussive shots to rip the Scimitars from the catwalks. Ash found her angle, her sniper rifle barking three times. The armor-piercing rounds penetrated the Lord's reinforced fuel reserves. The resulting explosion consumed the colossal machine in a brilliant, deafening fireball, raining molten scrap across the room.
Breathing heavily, the squad pushed forward, weaving through the burning wreckage toward the far side of the room where the primary access elevators to the dish surface awaited. But the VI was relentless. Just as they reached the elevator banks, a second Lord-class Rapture dropped from a ceiling hatch. Unlike the heavily armored flamethrower variant, this one was sleek, hyper-mobile, and armed with twin rotary plasma cannons. It didn't plant and fight; it darted from cover to cover with terrifying speed, using the dense network of server racks to shield its flanks while unleashing devastating bursts of plasma.
"It's too fast to pin down!" Kasumi yelled, firing her submachine gun in a wide arc to force it back behind a pillar. "We need to box it in!"
Arthur gestured sharply to Shepard and Zero. Working as a cohesive unit, they spread out. Zero used her biotics to rip massive chunks of flooring up, creating artificial barricades that narrowed the Lord's movement lanes. Shepard laid down suppressing fire, her N7 assault rifle barking in controlled bursts, forcing the Rapture into a predefined kill zone. As it dashed across an open gap, Arthur activated his Omni-blade, lunging forward with a burst of speed from his goddesium legs. He slammed into the machine, driving the searing plasma blade through its knee joint, crippling its mobility. Instantly, the rest of the squad converged, shredding its exposed core with concentrated firepower until it finally went dark.
"Clear!" Arthur called out, his voice tight with exertion. They piled into the heavy freight elevator, hitting the ascent override. As the carriage shuddered upward, breaking through the interior housing and out onto the concave, exposed surface of the dish itself, Archer's voice returned to the comms.
"Commander! The broadcast window is opening in sixty seconds! You can't hack the transmission from out there, but you can break the hardware. You need to take out the structural support struts. Look for the massive energy capacitors spaced around the rim of the dish. Destroy three of the four, and the focal matrix will collapse under its own weight, misaligning the antenna permanently."
Arthur surveyed the colossal, bowl-like surface of the dish. The winds from the open surface shaft far above howled around them. Four massive, glowing blue pillars—the capacitors—anchored the dish to the outer gantry. "Kasumi, get to the central terminal and lower the blast shielding on those capacitors!" Arthur ordered, sprinting toward the nearest pillar. Kasumi vanished, reappearing at a fortified console in the center of the dish. Her fingers danced across the holographic interface. "Shields dropping on capacitor one!" she shouted.
The heavy metal plating surrounding the first strut hissed open, exposing the volatile, crackling energy core within. But the moment the shield dropped, the dish erupted. Dozens of hidden hatches across the concave surface blew open, vomiting forth a massive swarm of Raptures—Scimitars, Wallers, and Ants—all glowing with the VI's sickening green light. They were trapped on the open surface of the dish, completely surrounded.
"Fire everything!" Arthur roared, unleashing the full fury of his N7-Typhoon directly into the exposed capacitor core while the squad formed a desperate, 360-degree defensive perimeter around him. Biotic explosions rocked the dish, sniper fire cracked like thunder, and rockets left blinding smoke trails as the Shepherds fought like cornered wolves against the overwhelming mechanical tide. Arthur's rifle overheated, but he didn't stop, drawing his heavy pistol and firing point-blank into the core. Finally, the capacitor critical-massed, exploding in a blinding flash of blue energy. The shockwave knocked the squad off their feet, vaporizing the closest Raptures. Immediately, a horrific, groaning sound echoed through the cavern. The massive dish shuddered violently, tilting dramatically as the first primary support strut sheared away, threatening to send them all sliding into the abyss below.