The roof door opens into the wind and the end of the world.
I stand in the doorway for a moment before I step out. The sky above the city is still fractured — the cracks have spread since this morning, more of them now, branching and intersecting, the light bleeding through all of them in long, cold columns that cut the city into sections of shadow and off colored brightness. Standing under it feels like standing under a ceiling that's about to come down.
I cross to the edge and look.
Three fires. Southeast, northwest, and somewhere west that I can't identify by building — just a column of black smoke rising into the fractured sky like it's trying to find the cracks. The streets below are not empty and not safe. Things move in them that are not people, some small enough that from up here they look almost like animals, some not small at all. People run in clusters, in pairs, alone. A car alarm has been going for so long it has become part of the ambient sound of the city, indistinguishable from everything else.
To the east, a military helicopter appears.
I watch it.
It banks north over a block I can't name from here, drops lower than a helicopter should drop near buildings, and then something comes up from a rooftop — fast, dark, nothing I can track at this distance — and the helicopter doesn't finish its turn.
The smoke from where it comes down rises thin and immediate.
I can't fix the city. That's the thought that comes, flat and clear. The city is a problem at a scale that has nothing to do with me and a knife in a bench that I can summon. The building is a different question.
I go back down.
Sixth floor. Voices behind the door of 6C — not calm voices, the kind that are trying to be calm, which is different. The kind where someone has appointed themselves the organizer, and everyone else is only partly listening because the organizing isn't actually helping anyone feel better.
I knock.
Silence. Then:
"Who's there?"
"Fourth floor. It's Thrax."
A pause long enough that I consider my options if the door doesn't open. Then the lock turns.
Four people. The one who opened the door is a woman holding her phone in both hands like she's hoping it will start giving useful information again. Behind her, a man is sitting on the couch with his forearm wrapped in a kitchen towel, not looking at it. An older woman near the window who has the expression of someone who has been trying to make decisions and running into walls. And the fourth —
He's standing at the far end of the small living room, plain clothes, work boots that were not purchased with an apocalypse in mind, holding a fire extinguisher at his side.
He looks at me. Then at my arm, the sleeve torn and bloodstained, the makeshift wrap I did on the stairs using a strip of my own shirt. Then back at my face.
"What class are you?" he says.
Not are you okay, not what's happening out there. The first thing out of his mouth is what class, and something about that recalibrates my read on him instantly. He's already past the phase where those other questions matter. He's thinking bigger picture.
"Weapon Mancer," I say.
His expression shifts. Not awe. Just — adjustment, like he's moved something from one column to another in a mental spreadsheet. "Rank?"
"SSS."
Brief silence. He looks at me the way you look at something when you're deciding whether the information you've just received is useful. Then he nods once like he knew what it meant.
"Darian," he says. Not a handshake. Just the name, offered practically. "D-Rank Brawler."
"Thrax."
The other three have been watching this exchange with the particular attention of people who have been without information for too long. The woman with the phone speaks first — she got E-Rank Apothecary, which means healing, which means she's already the most valuable one in the room and doesn't seem to know it yet. The man on the couch got D-Rank Sentinel. The woman by the window got D-Rank Scout, which she tells me while looking out the window like she's already trying to use it for something.
Darian is the only one in the room who looks like he stopped waiting for this to resolve itself.
Then the building shakes.
Not an earthquake shake — not distributed, not from everywhere at once. One impact. Directional. From below.
Everyone freezes.
Then again. The floor transmits it through my shoes and up into my legs. Slow. Patient. One footstep at a time, working upward.
"We barricade the door," the organizer says immediately. "We push everything against the —"
"Doesn't work," Darian says. "If it doesn't understand doors then barricades probably won't matter."
"We don't know that it doesn't understand —"
Another impact. Closer. Three floors down, maybe two. Something big, armored by the sound of it — not the wet skittering of the hallway thing, something heavier, each step a deliberate placement of enormous weight.
I go to the stairwell door and open it three inches.
I look down through the shaft between flights.
Four floors below, something is climbing.
The carapace is volcanic black, plated in overlapping sections that catch the stairwell's emergency lighting and throw it back wrong. It moves on six limbs, two of which grip the stair railing and bend it with each pull upward. The head — if it's a head — is low and broad and heavily armored at the front, and it is not looking up. It doesn't need to look up. It knows where it's going.
It isn't in a hurry.
I let the door close. Turn around. Everyone in the hallway is looking at me.
"How big?" Darian asks.
"Big."
"Can you kill it?"
I think about the knife. I think about the claw. I think about the armored plating I just saw from four floors up.
"I'm going to find out," I say. "Nobody follow me."
I look at the man with the towel wrapped around his forearm when I say that last part. He looks back at me with the specific expression of someone who is already thinking about following me.
"Nobody," I say again.
I go to the stairs and start down.
I meet it on the third floor landing.
It's bigger from the same elevation. The carapace up close is not solid — there are gaps at the joints, seams between the plates where the underlying tissue shows through dark and fibrous, and the gap at the neck joint where the head meets the body is the largest of them, maybe two inches wide at the widest point.
Two inches is a target.
Two inches is not a large target.
It sees me, or at least, whatever it does that counts as seeing — and stops climbing. We stay like that for a moment, two floors' worth of stairwell shaft between us, and I study the joint.
Then it comes.
It moves faster on flat ground than it did on the stairs. The carapace shoulders hit both walls of the stairwell simultaneously as it rounds the stairs and I throw myself up the next flight because down is closed now, down is where it came from, and I get three stairs up before one of the forelimbs catches the step below me and the impact through the staircase throws me into the railing hard enough that I hear it creak.
I keep moving.
The stairwell is wrong for this — too narrow, nowhere to get around it, the thing fills the width completely, and what that means is I can't get to the neck joint from the front. I need to be beside it or above it. Neither is available while I'm running up a staircase with it behind me.
I reach the fourth-floor and stop running.
It rounds the flight below.
I jump.
Not heroic — desperate, both feet off the railing, and I land on the carapace behind the neck joint with nothing close to grace, one hand grabbing at the plate seam, the other driving the knife into the gap at the neck.
The knife skitters off the edge of the plate and accomplishes nothing.
The beast thrashes.
I lose my grip and hit the stairwell wall and drop back to the landing, and it's already turning, and the neck joint is there for half a second, the gap presenting itself, and I grab the claw from my pocket.
Longer. Curved. Made for catching.
The claw goes into the neck joint gap and catches — hooks into something it finds in there, and the beast's response is immediate and enormous. It slams itself sideways into the wall, trying to scrape me off, and I let go before it pins my arm, pulls back, and watches dark fluid run out of the gap where the claw found something worthy.
The beast slows.
Not stopped. Slowed. The head swings lower, one forelimb dragging, the patient's unstoppable climb replaced by something less certain. I press it back in, the claw targeting the same gap, same angle, and the second time is cleaner than the first because I know where it is now, I know the depth and the angle, and what the resistance feels like before it gives way.
The beast sits down on the landing.
Then it lies down.
Then it stops.
I stand over it, breathing in the bad fluorescent light of the third-floor stairwell, claw in my hand, the walls on both sides of me dented and cracked from the fight. My health bar is lower than I want to think about. My arm is bleeding through the wrap again.
Behind me, from two floors up, I hear the stairwell door.
I turn.
The man from the couch — the towel still wrapped around his forearm — is standing in the doorway of the fifth-floor landing, three steps up from me. He's holding a kitchen knife, which he must have grabbed on the way out. His face when he looks at the dead thing on the landing, and then at me, is the face of someone who came down to help and arrived too late to help and isn't sure what to do with either of those facts.
"I told you to stay," I say.
"I know," he says.
He comes down the last few stairs. He's looking at the beast, not at me, and he doesn't see the second one until it comes through the stairwell door at the second floor below us — smaller than the first, faster, and it comes up the stairs at a speed the first one never managed.
It hits him before I can get between them.
The impact takes him into the railing. The railing gives. I get the claw into the beast's side as it passes me, and it drops on the landing, twitching, but I'm already at the railing looking down.
Two floors.
He doesn't move when he lands.
I stand at the broken railing for a moment. The stairwell is quiet except for the twitching of the second beast going still behind me. I look down at the man who followed me and I stay there long enough to understand what I'm looking at.
Then I go down to him.
He's gone before I reach him. I knew he would be before I started climbing down. I stand there anyway because it seems like the thing to do, the least I could do, and I let it be real for a second before I put it in the place where I'm going to carry it.
Later, I think. You can sit with it later. Right now, there's a building with more people in it and monsters are everywhere.
I find the shard of carapace plate on the landing where the first beast fell. Broad, curved, black as cooling slag, one edge sharp enough to mean something. I hold it.
One. Two. Three. Four. Five.
Chime.
Weapon Added: Lattice Carapace Shard (Uncommon) Level threshold approaching.
Darian is standing at the sixth-floor stairwell door when I come back up. He looks past me at the empty stairwell. Then back at me.
"You went toward it," he says.
"It was coming up anyway."
He doesn't answer that. He looks at my arm, at the wrap soaked through now, and doesn't say anything about that either. After a moment, he sets the fire extinguisher down against the wall.
It makes a sound when it hits the floor. Final. Like he's decided something.
Behind him in the hallway, the organizer and the woman with the phone are watching. The Scout is by the window. Four people. Five, twenty minutes ago.
I don't say it out loud. Darian can count.
The organizer speaks first. "Marcus didn't come back."
"No," I say.
Silence.
Then, from down the hall, the woman with the phone: "I'm not staying in this building."
The organizer agrees immediately, the relief of a decision in her voice. They've been building to this the whole time, I realize — they were always going to leave, they just needed the shape of a reason. They gather things fast, the particular speed of people who have decided and don't want the decision to talk them out of it.
Darian watches them. Then looks at me.
I don't stop them. I don't have the right, and I don't have the argument. What's outside is what's outside, and what they do with that is theirs. The woman with the phone pauses at the stairwell door and looks back like she's waiting for me to say something that will change the calculation.
I don't have anything that will change the calculation.
The door closes behind them.
The hallway is quieter now. Four of us. The Scout was still at the window, watching the street below. Darian, with his back against the wall, looking at the stairwell door like he's listening through it. The organizer's absence was already filling the space she was in.
I lean against the wall and start rewrapping my arm.