Floor 17 hit them like a grudge.
The gate opened on a ruin full of split stone and low ceilings. No clean lanes. No easy sightlines. The Tower liked that now. It liked making the room feel too small before it tried to kill you.
Jaehyuk moved first.
Not fast. Controlled.
Shadow Step snapped him six meters across a broken column, then another four into cover. The skill had changed again after Floor 16. Cleaner. Lighter. The air bent wrong when he used it now.
[Shadow Step: E-rank]
He didn't smile at the notification. He just exhaled once and kept moving.
Mira followed without a word. She read his angle before he finished taking it. Somin stayed half a step behind both of them, then drifted left on instinct when she saw the ceiling crack above the center lane.
It dropped exactly where she'd left.
Dust exploded. Stone followed. Two floor-lurkers came out of the collapse, pale and blind and angry enough to swing at anything warm.
Mira took the first head off.
Somin put light into the second one's knee before it reached her.
Not a panic heal. A combat break.
Jaehyuk glanced back once.
Somin's face was tight, but her hands were steady.
Good.
That was new.
They cleared the room in under three minutes and spent the next ten bleeding on the stairs while Jaehyuk checked everyone's damage by habit. Mira had a shallow cut along the ribs. Somin had ash on her cheek and one bruise starting to darken at the jaw.
No one was down.
That counted as good on a floor like this.
"You're getting slow," Mira said.
Somin barked a laugh. "He's getting old."
"I'm twenty."
"Mentally?"
Mira snorted once. It almost sounded like approval.
Floor 18 was poison and narrow bridges.
The bridges swayed over a sinkhole full of black water that hissed when it touched the stone. Old floor. Rotten floor. The kind that punished hesitation.
Jaehyuk didn't hesitate.
He checked the bridge supports, the wind direction, the drip pattern on the undersides of the rails. The Tower had changed enough times now that memory alone was useless. He had to read it fresh.
Somin did too.
She crouched at the threshold, touched the stone, and frowned.
"The left bridge is weaker," she said.
Mira looked at her. "You can tell that?"
"The stress lines are worse. And the wind on the left is pulling downward. And it smells older."
"It smells older," Mira repeated.
"Don't make that face at me."
"I'm not making a face."
"That's your face."
Jaehyuk crossed on the right bridge and heard the left one collapse behind them five seconds later.
He didn't turn around.
Somin had already moved to the safest strip of stone before he reached the far side. She'd learned spacing. She'd learned where to stand when the ground tried to lie. He'd taught her that. Mira had reinforced it by refusing to save anyone who stood in stupid places.
The two of them had developed a rhythm that didn't need him in the middle.
That mattered more than it should've.
Floor 18 cleared. No rest.
Floor 19 was worse.
A chamber floor. Four doors. One real path. Three kill boxes.
Jaehyuk looked at the doors, then at Somin.
She was already scanning the hinges.
He narrowed his eyes.
"What?"
"Nothing."
"You're doing the thing where you think I'm going to ask you to guess."
"I'm not."
"You are."
She pointed at the second door from the left. "That one. Weakest wear. Less dust in the frame. Probably used most often."
Mira folded her arms. "Or because it's the trap route and people keep dying there."
"That's not helpful."
"It's accurate."
Somin looked between them, then up at Jaehyuk. "Tell me I'm wrong."
He stared at the door.
In his first life, this floor had been a mess of panicked teams and one ugly ambush. The second door had been safe. It still looked safe.
That was the problem.
The Tower was learning how he thought.
So he changed the plan.
"Third door," he said.
Mira frowned. "Why?"
"Because no one wants to open the third door."
"That's not a reason."
"It is if the Tower expects fear."
Somin shoved her hands on her hips. "I hate when he says things like that like it makes sense."
"It does make sense," Mira said.
"Not out loud."
They took the third door.
It was a dead corridor with a pressure trap at the end and a hidden vent above the fourth tile. Jaehyuk heard the click, stepped back, and Mira's blade punched the ceiling vent open before the darts could fire.
Somin healed the shallow cut the dart grazed across Jaehyuk's arm.
Her range had widened again. Twelve meters now, maybe a little more if she pushed.
He'd tested her two floors back with a separated corridor and a dropped line of wounded climbers.
She'd reached the farthest one.
Twelve meters wasn't the important part.
The important part was that she'd noticed the one who was about to fall before he did.
She read rooms now. She placed herself where bodies would break. She saw exits, not just wounds.
No scared girl from Floor 1 did that.
Floor 19 ended in a narrow relief chamber with a bench and a wall mural that had been scratched so badly it looked like someone had tried to erase a scream.
Somin sat down hard.
Mira cleaned her blade. Jaehyuk checked the door.
No one spoke for a while.
Then Somin looked up and narrowed her eyes at him.
"Why are you so tense?"
Jaehyuk didn't answer.
"I'm fine," he said.
Mira didn't even look up from the blade. "He's lying."
Somin blinked once, then gave Jaehyuk a long look over Mira's head.
"I know," she said.
They held that look for a second too long.
No one said anything else.
But something passed between them. Small. Sharp. A private agreement that his version of fine was garbage and they both knew it.
Floor 20 was a kill field.
Open ground. Tall grass. Hidden pits. The kind of place where the Tower gave you too much visibility so it could punish every bad choice in front of witnesses.
Mira wanted to sprint it.
Somin wanted to edge it.
Jaehyuk wanted to burn it down.
They compromised by moving in a staggered triangle, with Somin in the rear center and Mira sweeping the front flank while Jaehyuk watched the blind angles.
Three pit worms came up out of the grass.
Mira killed one.
Jaehyuk cut through the second with Shadow Step and a knife to the soft point under the jaw.
The third went for Somin.
She didn't freeze.
She stepped left, used the curve of the worm's own body to block its sightline, and shoved a burst of healing light straight into its eye socket when it opened.
The thing recoiled.
Mira's sword took its head off.
Silence after.
Mira stared at Somin for half a breath.
"That was ugly," she said.
Somin brushed dirt off her sleeve. "But effective."
"Very ugly."
"Still effective."
"You've been learning from him."
Somin pointed at Jaehyuk. "Unfortunately."
Jaehyuk didn't answer.
He'd started to do that more. Say less. Hold the tension under his ribs like it was a blade he'd already swallowed.
The closer they got to Floor 23, the quieter he became.
Not less present.
More controlled.
That scared Somin more than his sharpest instructions ever had.
Floor 21 was a broken healer's floor if there ever was one.
The chamber was full of white tiles cracked through with black veins. Healing circles glowed on the ground, then fizzled out if anyone stood in them too long. A trap built to tempt support classes. A joke in bad taste.
The first time Somin stepped onto a circle, it fed back.
She gasped.
Jaehyuk was already moving. "Off."
She jumped back.
Mira glanced over. "What happened?"
"The floor's eating the healing," Somin said. "It tried to reverse it."
"Can it do that?"
"Apparently yes," Jaehyuk said.
He cut across the center instead of taking the circles. A few tiles sank under his weight. He changed direction without slowing. Mira shadowed him. Somin stayed with the edge line and used her range to patch the strain in their legs before it turned into full cramp.
The floor tried to separate them with moving walls.
It failed.
Jaehyuk knew the rhythm now. Not from memory. From pattern. Every floor had one. The Tower changed details, but it hated changing its own habits.
He stepped through a wall opening a second before it sealed.
Mira cursed behind him.
Somin reached through the gap and shoved a hand around Mira's wrist so she could follow.
Mira paused just long enough to look at her.
"You trust me now?"
Somin's mouth twitched. "Don't make it weird."
"Too late."
"Move."
Mira moved.
The floor ended with a fight against a white-eyed attendant beast that healed itself from the tiles around it. Ugly. Fast. Wrong in the way Tower monsters get when the system gets bored.
Jaehyuk clipped its legs.
Mira opened its throat.
Somin shut off the healing tiles around the body long enough for the thing to stay dead.
When it finally dropped, Mira gave Somin one short nod.
That was a bigger gift than a smile from her.
Floor 22 was the long one.
Not the hardest. Just the longest.
A winding ascent of stairways, collapsed platforms, and half-collapsed archive rooms where the walls still held old names scratched into the plaster. The Tower wanted them tired. It wanted the little mistakes. The missed step. The bad call. The heal used two seconds too late.
Somin nearly slipped on the third landing.
Mira caught her by the collar.
Somin blinked at her. "Thanks."
"Don't get sentimental."
"I wasn't."
"You were absolutely getting sentimental."
"You are the most annoying woman I've ever met."
Mira's eyes narrowed. "And yet you live."
"Barely."
Jaehyuk heard them bickering behind him and didn't turn around.
It was strange. Useful. Real.
They fought like sisters who'd never admit they'd started caring.
That bond held better than polished teamwork. Better than polite trust.
It held because they'd seen each other bleed and kept walking anyway.
Near the top of the floor, Somin slowed.
Not because she was weak.
Because she'd noticed something.
Jaehyuk felt it a second later. The air changed. Less stale. More deliberate.
A person waiting.
He stopped at the exit arch.
Mira's hand went to her sword.
Somin stepped closer to his left side without being told.
Good.
Always the left now. She'd learned his blind angle before he ever said it.
The exit light gathered into a figure.
Not a climber. Not a monster.
A man in a dark coat with a face that looked too calm for the Tower.
The Broker.
He stood in the doorway like he'd paid for the place.
Jaehyuk didn't move.
Neither did Mira.
Somin's voice came out quiet. "That's him."
"Yes," Jaehyuk said.
The Broker folded their hands. "You're making progress."
Mira's grip tightened. "Get to the point."
"Always the direct one. I like that."
"I don't care if you like it."
The Broker's gaze shifted to Somin, then back to Jaehyuk.
"The rescue is already changing the Tower's math," they said. "Floor 23 won't be the floor you remember."
The air went cold.
Jaehyuk's voice stayed level. Barely.
"Is that good or bad?"
The Broker smiled.
"Yes."