Lyra’s head still found Arata’s shoulder without thinking.

  It wasn’t comfort, not really, it was more of a habit than choice. A small human tether in a place that had become quietly hostile. She slept in short, fractured intervals now, waking to the faint pulse beneath their boots as if the planet itself were breathing below the hall.

  Arata watched her breathe and felt the Vein answer him.

  It was a private, dangerous intimacy: a human chest pressed against his, while the world catalogued him like a specimen.

  There was no sunlight down here. Only gradients of heat, and the slow inner glow of living stone. Farworth moved through those glows like a man crossing a cathedral—steps precise, expression unreadable. Nebula packed instruments into a case with the same motion she used to stow a weapon. Tomas hummed softly as he checked coils and calibrators—small, human sounds trying, absurdly, to domesticate the place.

  “We can’t use the lift,” Farworth said at last, folding the map into quarter turns.

  No one argued. They had all felt it.

  “The depth is wrong,” he continued. “The Veins here aren’t layered like infrastructure. They’re nested. Curled. If we take a direct vertical ascent, the lift won’t emerge at the surface—it will intersect whatever the Veins are becoming now.”

  Lyra looked up slowly. “Meaning?”

  Tomas nodded without looking up. “Direct ascents rely on stable strata. This place doesn’t have strata anymore. It has intention.”

  Nebula tightened the straps on the case. “So we walk?”

  “We climb,” Farworth corrected.

  He tapped the map once. “They’re rematerializing patterns. If they close the way behind us, the exit won’t be an option anymore.”

  Lyra’s fingers tightened around her datapad. “Do we know how long we have?”

  “No clocks down here,” Tomas said softly. “Only pulses. And the pulse is changing. Faster. Shorter breaths.” He paused. “It’s like the earth is preparing to exhale.”

  Nebula glanced at Arata. “You sure you can do this? The Veins answered you. They might not like you leaving.”

  Arata thought of the silver-thread circle that had risen when the world had spoken. Of the way the ground had sung when his blood committed itself to stone. He tasted the old ritual like iron at the back of his tongue.

  “We have to try,” he said. “Being noticed doesn’t mean we belong here. We still have to go back.”

  Farworth nodded once. “It isn’t about belonging.” His gaze hardened. “We have to make sure those marks aren’t traps.”

  Tomas finally looked up, his face honest, almost too gentle for the conversation.

  “I can hold an ascent field long enough for all of us. The coils will sing, and the stone will answer it might be like music. But if the pulse shifts while I’m holding it, the strain transfers to the body.”

  Lyra swallowed. “You mean—”

  “I mean it will hurt,” Tomas said simply. “But I’ve learned how to listen. I can hold the tunnels together.”

  No one laughed.

  “That’s the plan,” Farworth said. “Tomas stabilises the ascent field. Nebula leads the climb and stabilises local space. Lyra monitors and compensates for drift. I’ll watch for structural collapse.”

  His eyes settled on Arata.

  “You tune the old gate. You stay central to the pattern. You will stabilise the resonant energy from the veins.”

  The weight of it pressed at the base of Arata’s skull. He wasn’t a key so much as a bell someone else had decided to ring.

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  They left camp with the practised quiet of people who knew how to abandon things.

  The tunnels shifted as they passed, as if revising their memory to include new footsteps. Glints along the walls resolved briefly into frescoes of old Vein-memory they were formless at first, then suggestive of a city made of light, of people folded into bridges and bridges folded into faces.

  They reached the Ascent Stair.

  It spiralled upward in scorched stone, its rim crusted with vein-glass that pulsed faintly underfoot. Farworth knelt at the edge and traced a line in the dust.

  “This isn’t a single climb,” he said. “It’s a sequence of thresholds. Each one seals behind you unless it’s held open.”

  Tomas set his case down and began unspooling coils, hands steady, affectionate with the hardware. Nebula mirrored him, placing anchors where his fingers indicated. Soldier and technician moved together, making a covenant out of metal and muscle.

  Lyra’s fingers danced across her screens. “I can compensate for frequency drift,” she said. “If the Veins shift in resonance pattern, I can rebalance automatically... only for a while. It’ll try and buy time.”

  Arata stepped onto the mark Farworth had made. The stone hummed through his soles like a remembered song. He felt the presence again—not hostile, not kind.

  “Will they forgive us?” Lyra asked suddenly. “If we take pieces of their memory back up there?”

  Farworth paused. “Forgiveness isn’t the question. Exchange is. We leave traces. We take data. We go.” His voice softened. “Sometimes you leave things behind on purpose. Sometimes you lose people trying to carry the rest.”

  The climb began.

  Small steps, echoing loudly in the hollow veins and tunnels. The stair tightened. The air cooled little by little. Light bent in rings as the Veins contracted and released.

  At the second threshold, the world tried to fold inward.

  Nebula’s hands moved instantly, folding gravity into safe angles. Lyra’s instruments screamed, then steadied as Tomas fed answering frequencies into the stone.

  Tomas took the first full strain.

  Anchored to the metal ring, he smiled at Arata—a small, private smile that said: I wanted to hear it right.

  They climbed.

  Threshold after threshold demanded an anchor, a coil singing to keep the seam open. Each step thinned the air, like pages turning faster than eyes could follow. Once, a corridor memorised their shadows and refused them. Arata had to step back, re-synchronise, let the pulse catch him.

  Lyra slipped once—nearly vanished into a narrowing seam. Arata was already there, fingers locking around her wrist.

  “You’re always in the right place,” she laughed, breathless.

  “You bring it on,” he said, and for a moment the world felt small again.

  Above them, light sharpened it was sky, felt like it was imagined for years. Farworth’s jaw set. “Last anchor.”

  Tomas’s grip tightened. He didn’t answer.

  Nebula placed the final anchor and met Arata’s eyes. “When you go through,” she said softly, “don’t listen too much. Hear, yes. But don’t let it be absorbed in your mind.”

  He nodded.

  The stone pulsed.

  Tomas began the holding. The coils sang and hum. The stair groaned as the planet tested its seams. The air tasted of iron and memory. The breath beneath them shortened.

  They had begun the final Ascent.

  At first, the climb was merely difficult.

  Later, it became wrong.

  The stairway twisted without moving, its curves shifting in place as if geometry had forgotten its obligations. Every few steps, gravity tilted by a few degrees—not enough to make them fall, but just enough that balance never truly settled. The body adjusted, then adjusted again, never arriving at certainty.

  The air thinned, but not with cold. It pulsed instead, inhaling and exhaling in rhythms that matched no lungs they recognised.

  Tomas’s coils sang steadily at first with a deep metallic hum, like a cello string drawn against the throat of a mountain valley. Lyra checked her instruments, frowned, then stopped entirely.

  The readings weren’t fluctuating.

  They were meaningless.

  Nebula stayed forward-facing, sword drawn, eyes sharp, refusing to let the corridor distract her. Farworth walked with a scholar’s calm, murmuring field notes under his breath—not for data, Arata suspected, but to remind himself which world he still occupied.

  Arata felt it first.

  Not fear.

  Recognition.

  A tremor passed through his bones, subtle but intimate, like a hand finding a familiar grip.

  Welcome back,

  the walls seemed to whisper—not in sound, but in pressure.

  You were not meant to leave.

  He kept climbing.

  At the second threshold, the Veins began to reflect.

  Not mirrors—not truly. These were reflections made of memory, light folded too many times, identities replayed without permission.

  When Arata glanced left, he saw himself repeated across the stone... as a child, soldier and something darker. Each version blinked at a different rhythm. Some lagged seconds behind his movement. Others anticipated it, stepping before he did.

  He looked away.

  Lyra did not.

  She stopped before a figure standing just off the stair.

  It wasn’t herself unlike Arata. It was Flora.

  She stood Barefoot. Lips parted as if about to speak. Her hair drifted gently, untouched by gravity, untouched by breath.

  “Lyra,” Arata said sharply, catching her arm. “Don’t...”

  Too late.

  Lyra took one step toward the figure.

  It collapsed instantly into dust.

  But the sound it left behind did not fade.

  A single note lingered in the air it was a fragment of a lullaby, incomplete but unmistakable.

  The same one Flora had hummed before her harmonic collapse.

  Lyra froze.

  Her hands trembled. “It knows,” she whispered. “The song of the dead...it is remembered in the flames. It remembers everything.”

  Nebula’s jaw tightened. "That's somehow not very comforting."