Kai checked the time as he stepped out of the gate.

Four days left.

So far, they had 65,345 credits. Only a couple more dungeons needed to be run before he reached the 84,000. The first dungeon clear had produced one of the highest bonuses he had recorded, the solo conditions and consecutive chain combining at their peak. The others had come in below ten thousand each.

"Too slow," he said quietly, but then his phone buzzed.

Sera’s name at the top with one line below it. I have the C-rank dungeon. Are you ready?

Kai typed back immediately.

Yes.

He was already moving.

The C-rank gate carried more worth than the gates he had been running all week. And there was no Ironpact rotation at the entrance, no organized presence shaping the wait time. Just the gate and only people walking past with some glancing at it.

[C-Rank Dungeon found.]

[C-Rank Dungeon: Glass Cavern.]

[Recommended Level: 27.]

Kai found Sera near the entrance, and she spoke after noticing him. "Ready?" she said.

"Let’s do it," he said.

She turned toward the gate.

[C-Rank Dungeon: Active.]

The difference was immediate.

The air inside carried more resistance than the D-rank dungeons and denser. The quality of a space built for stronger hunters. The light was sharper, creating deeper contrasts between the illuminated sections and the dark collecting in the corners and along the upper edges of the space.

Movement came from the far end before they had taken ten steps.

[Glass Stalker.]

[Level 21.]

Sera moved first.

Golden light erupted around her body like a miniature sun. Not the small orbs from D-rank dungeons, but something magnificent and terrible.

Full Valkyrie armor materialized over her frame in overlapping plates that hummed with power. A shield of pure light formed in her left hand, blazing so bright it cast everything else into shadow.

She drove the construct forward into the Glass Stalker’s path. The creature slammed into the barrier and stopped completely, its momentum absorbed by the golden radiance.

Kai stepped into the opening she’d created. His Fractured Blade ignited with compressed flame that wound tight along the steel rather than spreading outward. Heat distorted the air around the weapon’s edge as he struck.

The Glass Stalker shattered like breaking crystal.

[Recalculation Initiated.] [Distortion Applied.]

[Drop Quality: Optimized.]

[Amplification Complete.]

They kept moving without pause.

The second wave hit from both sides simultaneously. Two more Stalkers, their crystalline forms refracting light into blinding displays as they attacked in perfect coordination.

[Glass Stalker]

[Level 22.]

Sera’s light shield expanded to cover the left corridor, golden radiance pushing back one creature and pinning it against the stone wall. She swept her blade across the right side without turning, the Valkyrie armor blazing brighter as she engaged both enemies at once.

Kai took the right Stalker while she held the left. His compressed flame released just enough to shatter the crystalline creature without wasting the accumulation building in his weapon. Then he stepped across to where Sera had pinned the second creature against her construct.

One more strike. Both monsters collapsed into glittering fragments.

[Consecutive Chain: Active.]

[Output Adjustment: Increasing.]

The rhythm settled after that, and the dungeon fought back as they pressed deeper.

Four creatures materialized in the next corridor, their forms more solid than the Glass Stalkers. These moved in formation, designed to force a choice between protecting the center and there sides.

[Prism Breaker]

[Level 23.]

Sera stepped forward. The full power of her Valkyrie class erupted outward, light armor blazing like captured starfire. She planted her shield construct in the corridor’s center and expanded it outward until golden radiance filled the space wall to wall.

All four Prism Breakers slammed into the barrier simultaneously and stopped, trapped against the light.

"Now," she said.

Kai moved through the gap at her shoulder, the only opening in the construct. His blade found each locked target in succession, compressed flame feeding each strike without fully releasing.

The accumulation continued building with each kill.

[Recalculation Initiated.] [Distortion Applied.]

[Drop Quality: Optimized.]

[Amplification Complete.]

[Distortion Output: Increasing.]

All four dropped inside four seconds.

The dungeon got harder the further in they went.

The corridors narrowed, and the enemy spawns started mixing types, Stone Wardens paired with Scale Reavers in combinations where the Reaver would dart into whatever gap the Warden opened up. It was working as designed, Kai could feel it, but Sera’s armor hadn’t faded. The gold plates were still burning at full brightness, and her shield was snapping back into place faster after each hit than it had at the start.

She had been pushing at that level since they walked through the gate.

Kai kept up and held the flame compression steady, letting it build in one place while they moved through corridor after corridor. It was getting dense now, almost too much to hold.

Then the boss’s room door came into view.

Sera stopped at the entrance and looked at him once. "What do you need?" she said.

"Hold it," Kai said. "As long as you can. Don’t let it reach me, and I can severely injure it, making this an easy win for us."

She looked at him for one second, and then she pushed the door open and walked through first.

The Dungeon Boss waiting inside was an enormous humanoid in shape, but with four arms arranged in two pairs. The upper set ended in broad crushing fists, and the lower set in long hooked claws that dragged against the stone floor as it turned toward them.

[C-Rank Boss: Iron Colossus.]

[Level 28.]

It moved immediately, all four arms pulling back and then driving forward in a combined charge that shook the floor with each step, the weight of it arriving before the sound of it did. The size made the speed look wrong. Every charge felt like a collapsing building deciding to sprint.

Sera stepped into its path.

Her Valkyrie armor blazed brighter than at any point in the dungeon. She raised her light shield to full size and met the Iron Colossus’s charge head-on. The impact sent visible shockwaves through the golden construct and cracked the stone beneath her feet. But she didn’t move back. The armor held her in place as she absorbed the boss’s full momentum without giving ground.

The Colossus struck again with its lower arms. Hooked claws raked across the shield construct, leaving dark scoring across the golden surface. Cracks spider-webbed from the impact points.

Sera reformed the barrier immediately, light pouring from her armor in waves.

The Iron Colossus upper arms kept hammering Sera’s shield while the lower claws suddenly shifted toward Kai instead.

The hooked claws tore across the floor toward him, forcing Kai to break his charge buildup and evade sideways. The compressed flame around his blade destabilized slightly while Sera’s shield rotated, intercepting the second claw before it reached him.

The impact cracked golden light across the room.

The Iron Colossus lunged again.

Every time Kai tried to compress the flames, the Iron Colossus crashed toward him with terrifying speed.

It wasn’t strategy but instinct. As if the creature recognized the threat and answered with overwhelming force. Its massive body crossed the room too quickly for something that size to move.

Kai threw himself left as a fist tore through the wall beside him. The Iron Colossus vanished and then it was above him.

Golden swords slammed upward to intercept it as Sera crashed into the monster midair. She slashed out her sword to the Iron Colossus, forcing it into a close combat clash.

Every movement came harder and faster than the last. Like the creature’s body was continuously forcing itself beyond its own limits.

Sera let out a tsk. "How long?"

"Five seconds!"

"Then keep doing it."

Sera continued keeping its attention, even taking hits that drew blood. The upper arms came down in a devastating hammer blow. She crossed her blade in front of the shield, both impacts landing simultaneously and driving her back one step for the first time since the fight began.

"Kai," she said, and her voice carried the specific calm of someone who was working very hard and refusing to acknowledge it.

He was already done.

The flame compression had reached its peak. The Fractured Blade’s edges wound tight with spiraling fire coils pulled so close to the steel that the weapon looked almost solid. Heat distorted the air around its edge, bending light in visible ripples.

He stepped forward while Sera held the Iron Colossus in place and drove his blade into the junction where all four arms connected to the torso. The specific point where raised ridges didn’t provide protection.

He released everything at once.

The compressed flame detonated through the Iron Colossus’s body like a furnace finally breaking open. Fire burst from the gaps in its armor plating and even bursted through its eyes and mouth. Thin lines of burning orange spread across the creature’s body faster and faster until the entire Colossus glowed from the inside.

Then the flames consumed it from the inside. The Iron Colossus’s body blackened rapidly as the compressed fire devoured it from beneath the surface. Massive chunks of armor collapsed into glowing ash before they could even hit the floor.

The hooked claws disintegrated next.

Then the arms.

Then the torso itself.

The flames burned hot enough that even the dungeon stone beneath the Colossus began melting.

Sera’s six swords of golden light fell through the collapsing inferno a heartbeat later, carving through the burning remains and scattering the ashes across the room in an eruption of fire and light.

By the time the attack ended, nothing solid remained of the Iron Colossus except scorch marks across the floor.

[Class Emulation: Expired.]

The room went silent.

[Dungeon Cleared: Team.]

[Recalculation Initiated.] [Distortion Applied.]

[Drop Quality: Optimized.]

[Level Increased: 21 to 22.]

[+1 Stats]

Sera lowered her blade slowly. The Valkyrie armor dimmed back to its resting state, the golden light receding from the full brightness of the boss fight to something quieter. She stood in the center of the cleared room and breathed once, steadily.

Then she looked at Kai. "When could you do that?"

"It’s the ability of my weapon," he said.

She looked at the Fractured Blade, its edges back to their usual slow shifting, the compressed flame completely gone. Then she nodded once. "It’s a terrifying one... Maybe an A rank or S rank weapon?" She muttered before shaking her head and saying. "But the wait time is long."

"Yes," Kai said. "It is an S-Rank."

"Your luck really is terrifying." Sera muttered before turning toward the drops. Equipment and materials lay in quantities far exceeding their previous runs.

At the center sat two distinct items.

A blade of solidified light, slim and translucent, the edge carrying the same quality as Sera’s Valkyrie constructs, but contained in a physical form. Beside it, a pair of boots with dark material that seemed to absorb the light around them rather than reflect it, and a cloak folded over them in the same material, the surface shifting between visible and not as though it could not decide which it preferred.

Sera picked up the light blade without hesitation and held it for a moment, reading its properties. Then she looked at the boots and the cloak and back at Kai.

"Those are yours," she said.

He picked them up. The boots were lighter than they should have been for their apparent density, and the cloak responded to his grip by becoming slightly less visible at the edges, the material already reading the contact.

"Stealth and invisibility," Sera said. "You go invisible, charge your burst, come out of nothing. Works better solo than anything I can think of."

Kai looked at the cloak in his hand. The edge had gone nearly transparent.

"Yes," he said. "It does."

The dungeon rumbled.

Not a creature. The structure itself, the walls developing fine cracks that spread outward from the ceiling and the floor simultaneously, the sound of a space that no longer needed to exist and was no longer maintaining the effort of existing.

Sera was already moving toward the exit corridor. Kai followed, the boots and cloak in his hands, the Fractured Blade back at his side with its edges shifting in the slow adaptive way they shifted when nothing immediate was required of it.

Behind them, the boss chamber collapsed first, the ceiling dropping in sections that hit the floor with the sound of finality. The corridor followed, the cracks reaching the walls, and the walls deciding they had held long enough.

The gate entrance appeared ahead, daylight visible through it, and they stepped through into the outside air as the dungeon finished coming down behind them.

Several people near the gate had already started recording.

One of them pointed directly at Kai.

"That’s him."

"The Null guy."

"No way that was another C-rank clear..."

Notifications were already exploding across local forums before Kai and Sera had even left the street.

Kai ignored them as he looked back at the collapsed gate entrance for a moment. Then he looked at the cloak still in his hand, its edge still going transparent at the boundary.

He thought about what had run at once in that room.

Compressed emulation.

The consecutive chain.

The partnership condition.

Distortion beneath all of it.

Connecting everything.

The more impossible the situation, the harder the outcome bent in his favor.

Kai exhaled slowly.

He suddenly understood why the system kept rewriting itself around him. Even though he didn’t know how many there were in total. He understood that when they were all together, the effect would be terrifying.

And that was the part he actually wanted to find out.