The scream reaches us before the corridor does, bouncing off curves that don't agree on which direction sound is supposed to travel in.
"That's close," Jung-su says, already moving toward it instead of away, staff first.
"Close is relative in a building that keeps rearranging its own definition of distance," Vincent says, right behind him anyway.
We round a bend that shouldn't connect to anything and finds a knot of strangers already gathered around someone half-swallowed by the wrong kind of floor — not fallen through it, just standing in a patch of hallway that's decided to stretch her a dozen feet further away than her own feet ever moved.
"Don't look at her," I call out, before anyone else's instinct gets her killed with kindness. "Close your eyes. Feel your way to the nearest wall."
A man near the front turns, sharp, assessing, the same unhurried competence I half-recognized from a distance in Myeongdong. "You've seen this before," he says. Not a question.
"Once. Recently. It works — trust me."
He doesn't waste time arguing. "Everyone, eyes shut, hands on the person next to you," he says, and his own group listens instantly, no hesitation at all, the specific fast trust of people who've already learned this man doesn't waste their time with bad instructions.
The woman closes her eyes. Feels for the wall. Takes one step, then another, and the distance folds back down the same way it did for Su-min, honest again the less anyone looks directly at it.
* * *
The woman he'd been directing the rescue for — younger, shaking, gripping a bent umbrella like it might still be useful for something — collapses against the nearest of Woo-jin's people the second she's clear, breathing like she's just remembered how.
"You're okay," Woo-jin tells her, calm, certain, the specific calm that only works because everyone around him has already decided to believe it. "Breathe. Nobody's losing anyone tonight, if I've got any say in it."
"You don't get to promise that," she says, half-laughing, half-crying.
"No. But I get to try, and trying's the only part of this actually in my control." He turns to me before she can argue further, already done with that thread, already moving to the next thing that needs his attention.
"Woo-jin," he says, once she's safely back among his people, offering a hand like the last ten seconds hadn't just happened at all. "Appreciate the assist. Would've cost us more than time if you hadn't called that out when you did."
"Hyunmin." I shake it. "We only just worked that trick out ourselves. Good timing, mostly."
"Good timing keeps a lot of people alive in here. I've stopped calling it luck a while ago." He glances past me at the rest of my group, doing a fast, practiced count — the same reflex I've caught myself running on strangers for weeks now. "You're the one everyone's been talking about. Word's been traveling faster than I'd like it to, given what it's actually saying."
"What's it saying."
"That you're the reason certain kinds of monsters stop being a mystery faster than they should. That people who fall in with your group tend to live longer than the average." He says it plainly, no flattery in the delivery, just an observation filed and reported back. "Figured I'd see for myself eventually. Didn't expect it to be tonight."
"Word travels fast for you too, apparently," Areum says, arriving at my shoulder. "Twelve people, all of them still listening to you on the fourth stage in. That's not nothing either."
"I ask for less than people expect and give back more than they ask for. Works better than any speech I could give." Woo-jin says it without pride, just method, the same flat competence in every word he offers. "Keeps people believing their trust wasn't wasted on me."
"How do you decide who stays and who doesn't," I ask. "With a group this size, there's got to be some kind of selection happening, even if you're not the one doing the choosing."
"Nobody gets turned away. That's the one rule I've never broken." Something in his face tightens, just slightly, like the question costs more to answer honestly than he expected it to. "People leave on their own sometimes. Different pace, different priorities, sometimes just a gut feeling that another direction's safer. I don't chase anyone down for it. I just make sure the door stays open if they want back in."
"That's a generous way to run things."
"It's not generosity. It's math." He almost smiles at his own echo of Vincent's favorite word, like he's noticed the same pattern I have. "A group that only holds people by force doesn't hold them long. A group people choose to stay in, every single day, holds a lot longer. I'd rather have loyalty that renews itself than obedience that has to be enforced."
"You've thought about this a lot."
"More than I ever thought I'd think about anything, back when my biggest problem was whether I'd made the right choice of major." Something wry crosses his face, tired but genuine. "Funny what turns out to matter, once the stakes stop being hypothetical."
"I've had a lot of stages to think about it in." Something flickers behind his eyes, old and tired in a way that doesn't match how young he actually looks. "I've also watched it fail. More than once. People I couldn't keep, for one reason or another. You learn to carry that without letting it change how you run things the next time. Mostly."
"Mostly," I repeat.
"Nobody manages all the way. Anyone who tells you they do is lying to you or to themselves." He says it plainly, no drama in the delivery, just the same flat honesty he's given everything else. "I'd rather be honest about the mostly than pretend I've got a clean method nobody's ever paid for."
* * *
His group settles into an uneasy rest a few feet off, backs to the curved wall, someone passing water bottles hand to hand without anyone needing to ask twice.
A younger guy near the back — maybe twenty, exhausted, still holding a length of rebar like it's the only thing keeping his hands from shaking — catches my eye and offers a small, tired smile. "Min-seo," he says, when I glance his way. "Everyone just calls me the guy who almost died in room two. Woo-jin's the one who actually stopped that from happening."
"That's a hell of a nickname to carry around."
"Beats the alternative, which is just being dead. I try to keep perspective about it." He shifts his grip on the rebar, self-conscious under the attention. "University student, before all this. Business major, if you can believe that's still a thing that used to matter to me."
"Don't undersell yourself," Woo-jin says, not looking up from checking his own gear. "You're the one who spotted the pattern in the first place. I just got there in time to act on it."
"Sure. Keep telling yourself that." Min-seo grins, easier now, some of the exhaustion falling away for just a second. "He does that. Deflects credit like it costs him money to keep it. I've stopped arguing. It's a losing battle every single time."
"It's not deflection. It's accuracy." Woo-jin allows himself something close to a smile. "Min-seo's the reason four of us are still standing instead of two. Say that back to him if he tries to shrink it down again."
Min-seo laughs, short, genuine, and something about the sound cuts through the wrongness of this whole building for just a moment, ordinary and human and completely unbothered by curves that shouldn't hold themselves up.
The author's narrative has been misappropriated; report any instances of this story on Amazon.
"First stage, I froze completely," Min-seo tells me, unprompted, like he's decided I'm the kind of stranger worth confessing to. "Didn't move for almost a full minute while people around me were screaming. Woo-jin's the one who grabbed my collar and physically walked me toward cover. I didn't even thank him properly. Just kept saying sorry, over and over, like that was somehow more useful."
"Everyone freezes the first time," I say. "Doesn't mean anything about who you actually are."
"That's what he told me too." Min-seo glances at Woo-jin, something like devotion in it, uncomplicated and a little embarrassed about being that obvious. "Took me three more stages to actually believe him. I still mostly don't, some nights. But I keep showing up anyway, which he says counts for more than confidence does."
"It does," Woo-jin says, not looking up. "Confidence is cheap. Showing up scared and doing it anyway is the only currency that's ever meant anything out here."
"He's got a lot of lines like that," Min-seo says, grinning again. "I used to think he practiced them. Now I think he just means every single one, which is somehow worse."
"Worse how."
"Because you can't roll your eyes at someone who actually means it. Believe me, I've tried."
"You've built something real here," I say, watching it. "Whatever you're doing, it's working."
"So have you, from what I can tell." Woo-jin studies me for a second longer than feels casual. "Maybe we compare notes properly sometime. Once tonight's done deciding how it wants to end."
"I'd like that."
* * *
The ribbing overhead shifts again, slower this time, deliberate, like the whole building is inhaling before it commits to something.
"That's new," Vincent says, tense.
"Or it's not new. Just louder about it now that there's more of us here to notice," Woo-jin says, already on his feet, already reading the room the way Jung-su does, the same unhurried scan for exits that aren't quite exits.
"Touching," Min-seo mutters, only half-joking. "Building's shy until it's got an audience."
"Focus," Woo-jin tells him, but there's warmth under the correction, the specific fondness of someone who's decided this particular kid is worth the extra patience, the kind you don't waste on someone you've already written off.
Jung-su drifts close enough to catch the tail end of the exchange, watching Woo-jin with an expression I've learned to recognize as respect, rare and carefully rationed. "You run a room the way I would, if I had the patience for people that he's got," he says, not quite a compliment, not quite not one.
"Patience isn't natural to me either," Woo-jin says. "I just decided a long time ago it costs less than the alternative does. Losing people because I couldn't be bothered to explain myself twice felt like a worse math problem than just explaining myself twice."
"That's a colder way to describe kindness than most people would use."
"Maybe. Doesn't make it less true." Woo-jin studies Jung-su a moment, something assessing in it, one careful reader of rooms recognizing another. "You're the one who reads danger before it happens. I've heard about that too."
"Something like that. It's not perfect. Doesn't catch everything."
"Nothing does. I've stopped expecting perfect a long time ago. I just try to catch enough." Something passes between them, wordless, the specific recognition of two people who've both paid real prices to get this good at staying alive.
Chris falls into step near me, watching the exchange with something thoughtful behind the easy grin. "That fella runs a tight group," he says, low. "Tighter than mine ever was, and mine had actual rank structure behind it."
"You noticed that fast."
"Wasn't hard to notice. Man doesn't waste a single word, and everyone around him still knows exactly what he means." Chris glances at Woo-jin again, something almost like respect in it. "Good people to have on our side tonight, is my read."
"Mine too."
Somewhere above us, the curve of the ceiling settles into a new shape, patient, unhurried, and for the first time since we landed I get the sense the building isn't just reacting to us anymore.
It's paying attention.
"Everyone feel that?" Areum asks, low, arms crossed against a chill that still isn't actually cold.
"Felt it in my teeth," Vincent says. "Same register as a bass note too low to hear properly. That's new. Wasn't there twenty minutes ago, and I was paying attention twenty minutes ago."
"Maybe it doesn't like an audience this size," Min-seo offers, only half-joking now, the earlier lightness draining fast out of his voice.
"Or maybe it's been waiting for exactly this many of us to gather in one place before it bothers committing to anything," Woo-jin says, flat, already scanning the ribbing overhead like he's trying to read a language just past the edge of his understanding. "Numbers like an easy meal better than they like a scattered one. Standard predator math, if this thing's even thinking in those terms at all."
"Comforting thought," Chris mutters.
"Wasn't meant to comfort anyone. Meant to keep everyone's guard up." Woo-jin doesn't apologize for the bluntness. Nobody seems to expect him to, least of all the people who've clearly heard this exact register from him plenty of times already.
* * *
The ceiling folds before Su-min can answer. A white rib drops like a guillotine through the rear of Woo-jin's group.
The woman beneath it raises both hands. The edge takes them off at the wrists, crosses her collarbone, and opens her to the sternum. Blood slaps the curved wall in a fan.
Min-seo hooks Su-min around the waist and drags him clear while Woo-jin shouts for everyone to touch the left wall.
The rib rises again with the woman's severed hands still twitching on the floor.
Her death burns through me before the ceiling finishes resetting.
HUMAN ECHO ABSORBED
INT: 43 → 47
AGI: 49 → 53
No damage number appears because there is still no monster body to hit. The stat gains appear because a human body just died within reach.
Min-seo looks at the blood on his sleeve. "Stage four," he says. "Still hate being right slowly."
That is the first thing he says to Su-min. It tells me more about him than another confession would.
"How many stages for you?" Min-seo asks him.
"Two. You?"
"Four, I think. I've stopped being sure the number matters as much as it used to." He shifts his grip on the rebar, self-conscious about it now that he's noticed himself doing it. "Does it get less like this? Waiting for the next thing to go wrong?"
"I was hoping you'd tell me it does."
"Sorry. I've got nothing. Still waiting on that answer myself." He almost laughs, and something in the sound settles them both, however briefly. "At least we're bad at it together now, I guess."
"Small mercies," Su-min says, and means it more than the joke deserves.
The two of them fall quiet after that, walking close, not needing to fill every silence with more words than the moment actually calls for. It's a small thing. It's also more comfort than either of them had an hour ago, and out here, that counts as real progress.
"Everyone stays in sight of someone else," Woo-jin says, loud enough to carry across both groups now, an easy authority nobody questions. "Mine and his. Doesn't matter whose face you're following anymore. Matters that you're following someone."
"Copy that," Jung-su says, and for the first time all night, I watch two separate groups start moving as if they'd always been one, no visible seam anywhere between who belonged to which name an hour ago.
My wrist buzzes low, a brief pulse, nothing legible in it yet — just the sense that whatever's coming, the building's finally decided how it wants to meet us.
Min-seo falls into step near the back of the combined group, rebar still gripped tight, some of his earlier ease already burning off under whatever's shifting overhead. "Is it always like this," he asks, echoing a question I've heard before tonight, from a different stranger in a different hallway. "Everything getting worse the second you think you've got a handle on it?"
"Pretty much," I tell him, honest, because he deserves that much at least. "You get better at handling worse. That's the whole trick."
"Great pep talk," he says, dry, and Woo-jin, a few feet ahead, huffs something that might almost be a laugh.
"Welcome to the club," Areum calls back. "Membership's free. The dues are miserable."
Nobody laughs at that one. Nobody really needs to.
Ha-eun checks Park's leg one more time as we walk, testing his weight on it, satisfied enough to let him bear more of it himself now. "You'll live," she tells him. "Try not to test that conclusion any further tonight than you have to."
"No promises," Park says, and she doesn't dignify that with more than a look.
Woo-jin falls into step near the front of the combined group, close enough that I catch the low words he's exchanging with one of his own — a quiet check-in, a hand on a shoulder, the same unhurried attention he's given every single person under his care since the moment we met him. I watch him do it and understand, with a clarity that surprises me, why twenty-some people trust this man enough to still be standing here after four stages of exactly the kind of night that breaks trust for good.
"You're staring," Areum says, quiet, amused.
"I'm taking notes."
"On what, exactly?"
"On how he does that. Makes people believe showing up scared is enough." I watch Woo-jin laugh at something Min-seo says, easy, unforced, genuinely present in it despite everything happening around all of us. "I want to be that for people someday. Not just the guy who survives. The guy who makes surviving feel like something worth doing together."
"You already are, for what it's worth," Areum says. "You just don't see it from the inside the way the rest of us see it from out here."
I don't have an answer for that. I let it sit instead, unclaimed, the same way I let most compliments sit lately — grateful, uncertain, not quite ready to believe I've earned them yet.
We keep moving instead, twenty-some of us now, deeper into a building that's finally finished deciding exactly how it wants to find us.
I glance back once at the group behind me — Woo-jin's people and mine, already blurring into something that doesn't quite have a name yet, all of us walking the same direction for the same reason. Whatever's about to happen, it's going to have a lot more of us to get through than it probably expected when the night started.
I let myself hope that counts for something. I've learned better than to trust that hope all the way, but I let myself have it anyway, for exactly as long as the walk lets me keep it, because some nights that's the only currency worth spending at all.