The core’s surface was warm.
He’d expected cold, instead it was warm the way that living things were warm, the mana cycling through its internal structure generating heat as a byproduct the way biological processes generated heat. The warmth came through his palm and up his arm and his True Sight, already rendering the internal damage map, added thermal data to the picture.
The Blight contamination ran cold through the warm. He could see it in both channels now, the fracture network dark and cold, the surrounding healthy structure warm and cycling, the boundary between them the active front of the contamination’s propagation.
He activated Mana Channeling.
The skill’s activation was different from everything else in his kit.
Shadow Step was displacement, a sudden relocation of self, the before and after with nothing experienced between. Flame Breath was output, internal energy converted to external effect, the direction of it outward. Mana Channeling was neither of those things. It was connection, his mana pool extending outward through the contact point, the boundary between himself and the core becoming permeable, his mana flowing into the core’s structure and the core’s mana flowing back through the same channel.
The core’s mana was not gentle.
The healthy portions were manageable, warm, structured, running in established pathways that his Intelligence-sixteen could parse and work with. The contaminated portions were something else entirely. The Blight mana in the fracture network had been saturating the core for long enough that it had developed its own internal logic, its own flow patterns, and those patterns pushed back against his channeling with the specific resistance of something that had been occupying a space and considered the occupation settled.
He felt it as pressure. Not pain exactly, more like trying to push open a door that had weight behind it on the other side. Constant. In every direction simultaneously.
He pushed back.
[Ding!][Mana Channeling initiated. Dungeon Core Stability: 10%]
Ten percent was the baseline, the partial seal he’d achieved with the earlier Mana Weaving attempt, preserved by the Guardian’s defeat and the Core Warden’s apparent reassessment. He was building on an existing foundation rather than starting from zero.
He threaded Mana Weaving into the Channeling output.
The combination was instinctive in a way that surprised him, the two skills running through the same contact point, the Channeling providing the precision control that directed where the Weaving’s repair effect went. He found the primary fracture’s origin point, the place where the diagonal crack had first begun, and started there. If the origin closed, the contamination’s entry point closed with it.
The Blight pushed back harder.
He held.
"How’s it going," Zhang Wei said, from somewhere behind and to his left. His voice was deliberately light, the specific tone of someone maintaining normalcy by force of will.
"Progress," Yuan said, which was accurate.
"The remaining Golems are moving toward us."
"How fast."
"Extremely slowly."
"We have time."
The three surviving perimeter Golems were converging on the core in the slow, deliberate way they did everything, their behavioral programming apparently registering the Channeling as an interaction with the core that required evaluation. Yuan tracked them through Tremor Sense without redirecting his focus from the fracture work, the multitasking easier now at Intelligence-sixteen than it would have been an hour ago.
The Core Warden was still behind him. Still watching. Still not attacking.
He decided that was the system’s way of indicating he was doing something correctly and kept going.
[Ding!][Dungeon Core Stability: 30% — Resisting chaotic mana surges.]
The primary fracture’s origin point sealed at the twenty-eight percent mark. He felt it close, a specific sensation, the Blight mana’s resistance dropping at that location as the Mana Weaving reinforced the structural damage and the repaired section stopped being a viable channel for contamination flow. The Blight that had been moving through the origin point backed up, pressure building in the fracture network as the entry closed.
The backed-up pressure went somewhere.
It went into the rest of the fracture network and the core pulsed again, harder, the Blight contamination surging laterally through the secondary fractures in a wave that his Mana Channeling had to redirect around the repaired section rather than letting it reopen the closed origin.
His MP dropped twenty points in three seconds.
He pulled more from the pool — the Intelligence increase meant the ceiling was higher and the recovery was faster, but the core’s mana demand was scaling with the stabilization progress, the system apparently requiring more input per percentage point as he moved deeper into the repair. He was at sixty percent of full pool capacity and spending faster than he was recovering.
Cauterizing Flame, he thought. Not yet. Save it for the contamination purification. Seal the fractures first.
He sealed two secondary fractures. Then a third. The Blight contamination that had been flowing through them rerouted and he sealed the reroutes. The core’s resistance pattern shifted, the contamination retreating from the sealed sections and consolidating in the remaining open fractures, concentrating its pressure.
His hands were shaking from the mana output load, the sustained Channeling drawing from his pool continuously, the recovery rate at Intelligence-sixteen not keeping pace with the expenditure at this level of active repair. The shaking was his body’s feedback for mana reserves low, which was a more sustained version of the warning he’d been receiving all evening.
He’d been running on insufficient resources all evening. He’d made it work each time.
[Ding!][Dungeon Core Stability: 60% — Mana flow harmonizing.]
"Yuan." Zhang Wei’s voice was different. Still controlled, but underneath the control, something urgent. "The Golems are speeding up."
He processed that without opening his eyes. "Speeding up or agitated."
A pause. "Agitated. They’re not moving faster. They’re vibrating. Is that normal?"
"No." He dug deeper into the Channeling, found the contamination’s consolidated mass in the remaining open fractures, and threaded Cauterizing Flame into the output alongside the Mana Weaving. "But it’s not a threat response. The core is changing state. They’re linked to it."
The Cauterizing Flame through Mana Channeling was the most precise thing he’d done since the awakening, the purifying fire component delivered not as a cone or a burst but as a thread, targeted, following the fracture network the way water followed channels. It hit the consolidated Blight contamination and the contamination burned.
Not explosively. Steadily. The corrupted mana converting to ordinary mana residue under the purifying fire, the cold dark quality of it replaced by ordinary warmth as it processed. The core’s resistance dropped in the sections where the contamination cleared. The mana flow harmonized — the system’s word for it, and accurate, the healthy mana cycling resuming in the cleared sections with the settled rhythm of something returning to its designed state.
Seventy percent. Seventy-five.
His MP was at eight.
He had three more fracture sections to clear and eight MP and the recovery rate wasn’t going to cover the gap in any timeline that mattered.
The Crystal Shard.
He hadn’t thought about it since the extraction — the bonus item, B-rank, high-purity mana crystal fragment, properties: mana conduction. It was in his inventory, which for a system with physical item storage meant it was accessible if he could reach it, and it was a mana conduction material, which meant it could theoretically serve as an external reservoir if the Mana Channeling could interface with it.
He reached into his jacket pocket with his free hand. The Shard was there, physical, warm from proximity to his body, the faceted surface catching the cavern light when he brought it up. True Sight showed him its internal structure: pure mana crystal, no fractures, the conduction pathways running clean throughout.
He pressed it against the core alongside his palm.
The Mana Channeling extended to encompass it automatically, the skill apparently recognizing a viable conduction material when it was introduced to the contact point. The Shard’s stored mana, B-rank, densely concentrated — began flowing through the Channeling into the core, supplementing his depleted pool.
Eighteen additional MP. He spent it before it finished arriving.
Eighty percent. Eighty-five. The remaining fractures closing under the combined Mana Weaving and Cauterizing Flame, the Blight contamination retreating from each section as he cleared it, the consolidated mass shrinking as it ran out of viable fracture network to occupy.
Ninety percent.
Ninety-five.
The last fracture section. The Blight contamination’s remaining mass, compressed into a single remaining channel, pushing back with the desperation of something that had nowhere left to go.
He pushed the Cauterizing Flame into it at full Mana Channeling output and held it there until the MP counter hit zero and the Crystal Shard’s contribution ran dry.
The contamination cleared.
[Ding!][Dungeon Core Stabilized! Cataclysmic Collapse Averted.]
[Ding!][Hidden Objective Complete!]
[Reward: Dungeon Master’s Blessing — Unique Title Acquired]
The cavern changed.
The blue-white light from the crystal formations deepened, became steadier, the oscillation that had been present since he entered replaced by a fixed, clean output. The three perimeter Golems stopped their agitated vibration and resumed their original positions without apparent transition, present, then back where they’d started, the core’s restored stability resetting their behavioral state.
The remaining Mana Wisps resumed their orbital paths around the core, the circuits clean and regular now.
The Core Warden lowered its head. It settled back against the stone formation, eyes still open but half-lidded, and its breathing returned to the slow geological rhythm of deep rest.
Yuan took his hands off the core.
He sat down on the cavern floor. His legs relayed a position change request that he didn’t have the resources to override, and the floor was immediately below him, and the outcome was sitting. He stayed there and let the Tremor Sense read the core’s restored rhythm through the stone and found it steady and regular and correct.
"Yuan." Zhang Wei crouched beside him, forearms on his knees, looking at him with the focused attention of someone checking for specific damage. "Status."
"Functional. MP at zero. HP at—" he checked internally "—sixty-two."
"You’re shaking."
"Mana depletion feedback. It’ll pass."
Zhang Wei sat down beside him on the cavern floor, which wasn’t a strategic decision or a tactical choice. Just two people who had been running on insufficient resources for three hours choosing the same moment to stop.
They sat there in the steadied light of a dungeon that wasn’t collapsing anymore.
Yuan looked at the Dungeon Master’s Blessing notification, still open in his peripheral vision, and reached for it.
[Ding!][Title Acquired: Dungeon Master’s Blessing][Effect: ???]