The train arrived without warning.

Not the patrol entity — that had been accounted for, its cycle tracked and its route mapped by the time the combined group finished clearing the station's maintenance level and redistributing the medical supplies Ha-rin's contact had located. The train was something else: a Stage mechanism, the System's preferred vehicle for a particular kind of assault that Do-yun was beginning to recognize as the System's signature approach to Shin-woo specifically.

It did not attack his body.

It attacked his past.

The train appeared on the dead track of the station's secondary platform — materializing rather than arriving, the way Dungeon constructs materialized, in the space between one moment and the next. It was and then it had been there, the transition invisible. Seven cars, the external structure somewhere between transit infrastructure and the architectural language of the world Do-yun had watched for ten years: arched windows, stone fittings, iron hardware, all rendered in the particular grey-black of Dungeon construction.

The System's notification was immediate: *Mandatory Stage: Board and clear the Relic Train. Failure condition: train departs with survivor inside. Time limit: 45 minutes.*

The combined group stood on the platform and looked at the train.

The second group's large man — Lee Jeong-su, she had learned — said: "What's wrong with it."

"Nothing visible," Yu-jin said. "That's what's wrong with it."

Do-yun was looking at the mana flows.

"The inside is different from the outside," she said. "The exterior mana signature is low-level, transit-appropriate. The interior —" She paused. "The interior is running a memory construct. I can see the energy type. It's designed to interface with personal history."

She did not look at Shin-woo when she said this. She did not need to look at him to know what the phrase *memory construct* produced in his instability readings.

Seventy-three percent. Up from sixty-six.

Lee Jeong-su said: "Memory construct. That means —"

"It will show you things from your past," Do-yun said. "Real or reconstructed, the System doesn't distinguish. The experience will be as present as the physical environment." She kept her voice even. "It will be worse for people with significant traumatic history in their backgrounds."

She said this to the group. She meant it for Shin-woo without directing it at him.

Yu-jin said: "Is there a way to disable the construct before we board?"

"Not that I can see. The activation is internal — it requires a presence inside the construct to resolve." She scanned the mana flows again. "There's a control mechanism in the last car. Reaching it stops the construct. I can see the path to it."

"Then we move fast," Yu-jin said. "Stay focused on the objective, don't engage with whatever the construct shows you, reach the last car."

The woman from the second group — Seo Mi-rae, she had introduced herself with the particular precision of someone who had decided that names were worth keeping track of — said: "And if what it shows you is something you can't just ignore?"

No one answered immediately.

Do-yun said: "Then you tell the person next to you what you're seeing, and they tell you what they're seeing, and you keep moving."

They boarded.

The first three cars were disorienting in the way of all memory constructs — the visual and sensory environment was layered, the physical structure of the train present beneath a shifting overlay of other places, other times. The survivors from both groups moved with the particular unsteady quality of people walking through two spaces simultaneously. She heard Mi-rae say something in a low voice and then stop; she heard one of the other survivors make a sound that she filed as grief rather than fear.

She was watching Shin-woo.

His instability reading had been climbing since they boarded. Seventy-six percent. Seventy-nine. He was moving through the cars with his standard economy of motion but she could see the suppression effort in the mana flows — the dark energy at controlled maintenance was taking more active management than usual, the way a fire took more tending in wind.

In the fourth car, the construct intensified.

She registered it as a mana-density spike and heard, almost simultaneously, the change in Shin-woo's breathing — not audible to anyone else, she thought, but she had been listening to his breathing in various configurations of duress for a decade and she knew its variations the way she knew everything else about him: precisely, specifically, in the detail that came from attention sustained over years.

She moved up beside him.

"What do you see," she said, quietly.

He was quiet for a moment. Not the long silence of processing — the short silence of someone deciding whether to answer.

"Faces," he said. "People from the trial."

She had watched the trial. She knew the faces.

"They're not real," she said.

"I know that."

"Knowing it and the construct knowing it are different things," she said. "The construct doesn't update for what you know. It only runs what the System fed it."

Another silence.

"What are they doing," she asked.

A pause. "Reading the charges."

She had heard the charges read at the trial. Every word.

"The charge about the northern settlement," she said. "The System will use the version that omits the timeline." She kept her voice low and even. "The actual timeline: the incursion began at the fourth hour. You received the first report at the sixth hour. You diverted the eastern company at the seventh hour. The settlement was evacuated by the eleventh hour, which was four hours before the incursion reached the settlement perimeter. The charges describe the diversion as the cause of the incursion reaching the settlement. They omit the hours between."

Shin-woo had stopped walking.

She stopped beside him.

The other survivors moved past them through the car, focused on their own constructs, their own overlays, the way people were when they were managing something internal.

"You memorized the timeline," he said.

"I had ten years," she said. "And I was angry about it. I tend to memorize the things I'm angry about."

Instability reading: eighty-one. Eighty. Seventy-eight.

Not dropping quickly. But moving.

"The charge about the fortress at Serin Pass," she said. "The System will use the version that attributes the structural failure to your use of dark energy." She paused. "The structural failure began fourteen days before you used dark energy in that area. I watched the engineering reports that were never submitted as evidence."

"You watched engineering reports," he said.

"I watched everything. I told you — the significant events." A pause. "That felt significant to me."

Seventy-six. Seventy-five.

The fifth car was worse. She felt the construct density increase before they entered it and put her hand briefly on Shin-woo's arm — not gripping, just contact, the lightest version of a signal — and said: "This one is heavier. Tell me what you see as you see it."

He looked at her arm. She removed her hand.

"Tell me," she said again. "Not because I can fix it. Because naming things in real time is different from experiencing them alone."

They entered the fifth car.

The mana density was extremely high here — she could see the construct clearly, the layers of it, the way the System had assembled this particular configuration: a space that was simultaneously the train car and the interior of the great hall where the formal verdict had been read. Stone floor over metal floor. Torchlight over fluorescent. The crowd assembled for the reading, their faces rendered in the flat, correct detail of a construct that had drawn on real memory rather than approximation.

Shin-woo said, in a voice that was more controlled than she expected: "The verdict hall."

"Yes. I can see the construct." She paused. "I was there. At the trial. I watched it from the outside — from wherever I am, in the construct of the dream. I saw everything that happened in that room."

He was quiet.

"I watched you listen to the verdict," she said. "I watched you keep your face empty because they were looking for a reaction and you decided not to give them one. I watched you decide to stand straight when they read the final sentence because posture was the last thing you could control." She paused. "I've thought about that moment many times. How much it cost and how completely it didn't show."

Instability reading: eighty-three. Eighty. Seventy-seven.

The crowd-construct shifted — the faces turning away, which was not how it had happened in the real trial, which meant the construct was following the instability reading, feeding it images calibrated to produce maximum destabilization. The System was watching his metrics and adjusting in real time.

Do-yun said: "It's adjusting to your readings. The more you respond, the more calibrated it gets. Don't give it a baseline."

"Easier to say than to do," he said.

"I know. But you can move. Moving changes the target profile." She stepped forward. "Come on."

He moved.

Through the fifth car and into the sixth, where the construct was lower-density and the other survivors had already passed through and were approaching the last car. Yu-jin held the door between the sixth and seventh, waiting, his face carrying the specific expression of someone who had been through something and was pretending they hadn't.

"Last car," Yu-jin said.

"The control mechanism is in the rear section," Do-yun said. "I'll activate it. Give me a path."

The last car was clear of construct — whatever the System had prepared had not extended to this car, which she suspected was intentional: the relief of construct-absence was its own disorientation, the sudden return to undiluted present leaving people slightly unmoored. She walked its length and found the control mechanism in the rear wall, set into a panel that had the same Dungeon-construction aesthetic as the rest of the train.

She activated it.

The construct collapsed — not gradually, but all at once, the layers of other-time and other-place dropping from the train's interior like a cloth pulled from a frame. The cars returned to their base aesthetic: stone and iron and the cold blue of deep-place illumination, without the overlay of memory.

The Stage completion notification arrived.

In the seventh car, Do-yun heard the collective exhale of people who had been holding something difficult and were now allowed to put it down. She heard Mi-rae sit down heavily on one of the stone benches along the car wall. She heard Ha-rin ask if everyone was okay with the particular tone she used when she was checking on people and trying not to seem like she was checking on people.

Shin-woo was standing at the car's entrance point, where the door between the sixth and seventh cars stood open.

His instability reading: seventy-two percent. Down from eighty-three. Not where it had been before the train, but manageable.

Do-yun went to stand beside him.

"You're at seventy-two," she said, quietly.

"I know. I can feel the level."

"Does it feel different from the inside than from the readings I give you?"

A pause. "The readings are more precise. The internal sensation is —" He paused. "Imprecise. I know when it's high. I don't always know how high."

"Then the readings are useful."

"Yes." He looked at the open door between the cars, at the sixth car beyond it — emptied now of construct but still carrying the air of a space that had recently been full of something that wasn't there anymore. "In the fifth car."

"Yes."

"You said you were angry about the timeline. The charges."

"Yes."

"For how long?"

She thought about the question honestly. "I was angry the day I watched the tribunal begin. That was —" She calculated. "Seven years ago. I have been angry about it consistently since then."

He was quiet for a long time.

"Seven years," he said.

"Yes."

Another silence. She waited it out — this was not a silence she needed to fill.

"No one was angry on my behalf," he said. Not a complaint. A statement, delivered with the flat precision of someone reporting a fact.

"I know," she said. "I was."

He did not respond to that.

But when the group began organizing to exit the train, he was the one who checked that everyone was accounted for — all twelve people, the original group and the additions — with the particular thoroughness of someone who had spent years responsible for the people behind him.

He had not been given those people to be responsible for. He had simply started being responsible for them.

Do-yun noticed this and did not say anything about it, because some things were better observed than named.

Yu-jin fell into step beside her as they moved off the platform toward the station's upper levels.

"The fifth car," Yu-jin said, quietly.

"Yes."

"I saw his readings. I don't have your ability but I can see — something. The energy level. It was very high."

"It came down."

"Because of what you did."

She thought about how to answer that. "Because he decided to let it," she said. "I just gave him something to decide with."

Yu-jin was quiet for a moment.

"I don't fully understand what's happening with him," he said. "Or with the two of you. But I'm —" He stopped. "I'm updating my position. That's what I wanted to say."

Do-yun said: "I know. Thank you for saying it."

Ahead of them, Shin-woo was walking with Lee Jeong-su, who had started a conversation that she couldn't quite hear from this distance but which had the tone of two people who were exchanging information rather than performing for each other. Jeong-su was tall enough to look at Shin-woo approximately level, which seemed to matter to both of them in a way that was hard to articulate.

Ha-rin appeared at Do-yun's other side.

"The next group of survivors," Ha-rin said. "The ones we saw on the upper level when we came in. They're still up there. They wouldn't come down."

"I know," Do-yun said.

"Should we —"

"We tell them the Stage is cleared," Do-yun said. "We tell them what we found and what we did. We don't force anything." A pause. "People come to things in their own time, if you give them the information to come with."

Ha-rin absorbed this.

"Is that how you think about him?" she asked, and then immediately said: "Sorry. That's —"

"It's fine," Do-yun said.

She thought about the answer honestly, the way she tried to think about things honestly when the honest answer was complicated.

"Partly," she said. "And partly I just know him well enough that I don't have to wait."

Ha-rin nodded slowly, in the way of someone who was filing something away for later consideration.

They came up out of the station into the altered daylight of Hanseo, the sky its post-Unreal color, the city its post-Unreal self, and the expanded group stood in the station entrance and looked at the street and thought about what came next.