He had mapped the central node's location during the root network's defensive response.
This was the relevant fact as he stepped into the clearing where the glade's boss waited, because the boss was not the thing that was going to be the problem.
The Siberian-class Tiger Beast was enormous and would have been formidable on its own terms. The Ancient Verdant Parasite that had completely replaced its skeletal architecture was the actual opponent. Thick emerald tendrils had grown through the spinal column and rib structure, the wood-element network using the tiger's musculature as a delivery mechanism while simultaneously supplying it with vitality drawn from the root network's ecosystem stores. The tiger's eyes carried the specific quality of an organism that was still biologically present but was not the one making decisions.
The parasite was operating the tiger the way a practitioner operated a technique.
He assessed the situation with the 80-point Perception reading the mana-flow architecture at full resolution.
The glade's ecosystem had been Nagini's meal for the past two hours. The root network's surface-level resource extraction had been cut off at every node Nagini had cleared. But the Mother-Seed's reserves were the network's last battery — everything the parasite had taken from the glade over its operational lifetime, stored at the root system's deepest point, precisely where he had identified the central node during the defensive response.
"Nagini," he said. She coiled into readiness. "The tiger is not the target. Do you understand?"
She read the spatial map he was projecting through their bond. She understood.
"Keep the tiger occupied," he said. "I'll draw the parasite's attention to the surface. When the reserves are committed to surface regeneration, you go for the Mother-Seed."
The first five minutes confirmed what he had expected.
Void Severance removed the tiger's left forelimb cleanly. The stump began regenerating in under four seconds, the tendrils erupting from the raw muscle and anchoring the severed limb back in place with the specific efficiency of something that had unlimited repair budget.
Starlight Bow volleys into the vine network: the arrows penetrated and detonated inside the vine structure, causing visible damage that was corrected faster than he could repeat the technique at a sustainable output rate.
Spatial Detonations inside the torso: the regeneration was faster. Not by a small margin. The parasite's reserves were enormous and they were all committed to the single function of keeping the host functional.
He had known this going in. The conventional approach was not going to work.
What he was doing in the first five minutes was not attempting to win through damage output. He was applying enough surface pressure to keep the parasite's reserves committed to repair rather than offense, which was the specific condition Nagini needed to approach the Mother-Seed uncontested.
The hour that followed was the most expensive combat he had run since the Oakhaven Silverback encounter.
The parasite learned. That was the aspect of a sentient ecosystem operating a host that made it qualitatively different from a conventional beast fight — it adapted its defense priorities based on where the attacks were landing, and after the first twenty minutes it had understood that Markus's mana output was finite and had shifted the tiger's offensive behaviour to the pattern most likely to drain him fastest: the vine-lashes, which moved at speeds his Spatial Blink was managing, but only just.
Nagini was at her operational ceiling.
She communicated this through their bond not in words but in the specific quality of exhaustion that passed through the shared spatial connection — the sense of her coils finding the tiger's body and encountering resistance not from the tiger's strength but from the vine armour re-forming around his constriction before the constriction could complete.
The vine has no beginning I can find from here, the bond communicated, the impression rather than the language.
He knew where the beginning was.
He checked his mana. The number was low enough that the remaining margin was not comfortable but was sufficient for exactly one more significant application if he did not waste any of it on interim techniques.
"Nagini," he said, through the bond. "The Mother-Seed is at the central node. Forty metres down, bearing two-three-zero from your current position. Your spatial domain will not face the root network's defensive response if you approach from below the node's anchor point — the network is currently pulling upward toward the surface, the downward direction is undefended."
She processed this.
"I'll draw everything to the surface," he said. "All of it. When the parasite commits the last of the reserves to stopping what I'm doing up here, you collapse the coordinate space around the Mother-Seed. That ends it."
The bond communicated readiness, the specific quality of something that was at its limit and was drawing on whatever reserves existed below the limit.
He stood.
He lowered the Spatial Bubble.
The glade's parasitic field hit him immediately — the wood-element mana asserting its presence against his channels in the way that a high-density external mana field asserted itself against an undefended practitioner. It was not comfortable. The Perception at 80 made it considerably worse in the specific way that higher-resolution sensory architecture made everything more immediate, the parasitic field's texture arriving at a level of detail that his body's instincts found alarming in a way that the combat situation confirmed was appropriate.
He used this.
He opened his channels to the parasitic field rather than defending against it, letting the wood-element mana read his spatial law foundation as a target — not allowing it to do anything, just letting it see him, letting the field's attention converge on his position rather than distributing across the network.
The tiger pivoted. Every vine in the immediate clearing oriented toward him. The parasite's reserves, committed to the surface, committed harder.
He held this position for thirty seconds that felt considerably longer than thirty seconds.
Then: the subsonic vibration changed. Not the defensive response. The specific low-frequency quality of the Mother-Seed's anchor point experiencing a spatial law application at point-blank range.
Nagini had reached it.
The parasite's response to this threat was instantaneous and absolute — the reserves redirected from the surface downward toward the anchor point, the vine network contracting in every direction at once toward the underground node.
He fired the Gravitational Convergence at the coordinate he had been holding in his spatial map since the defensive response — the central node's position, the Mother-Seed's location, now occupied by Nagini's domain assertion.
The coordinate relationships around the Mother-Seed's position reorganised toward a central point.
The subsonic vibration the root network had been producing stopped.
Not gradually. The specific cessation of something that had been producing continuous output and had ceased.
The tiger's vine armour greyed and crumbled from the outside in, the living structure losing the mana supply that maintained its cellular coherence, becoming in the space of four seconds what it would have been without the parasite: organic matter returning to the conditions that organic matter returned to without a sustaining mana source.
The tiger's structural integrity followed the armour. The beast had been a biological marionette for long enough that its own skeletal structure had been partially replaced by the parasite's tendrils, and without those tendrils the structure was incomplete.
It came down with the specific weight of something very large that has stopped having reasons to remain upright.
He came down too.
Not dramatically. His legs made the assessment that the immediate tactical requirement was complete and the mana reserves were at a level that walking was optional, and he sat in the damp moss with the specific posture of someone who has decided that the ground is fine and is going to be there for a moment.
Nagini surfaced beside him through a spatial fold, her scales carrying the specific duller quality of a practitioner who has expended significant energy and has not yet had the time to restore it. She coiled against his side with the warmth she produced when she was drawing on her own cultivated heat reserves rather than on ambient temperature.
The glade was very quiet.
He came back to full consciousness approximately twenty minutes later, which he knew from the light quality through the canopy.
The sensory reconstruction was quick at Perception 80 — the spatial sense reasserted before his eyes fully opened, the coordinate map of the glade confirming the ambient mana signature had simplified to the level of a dungeon whose active population was no longer present.
Nagini was awake. Her scales had recovered some of their lustre, the spatial domain running again at maintenance level.
He inventoried his condition. Mana reserves at low but functional levels. Health above the relevant thresholds. No channel damage from the parasitic field exposure, which had been the risk of the undefended approach. His channels had held because the wood-element law at this tier, while dense, operated through gradual accumulation rather than acute disruption, and the thirty seconds of exposure had not been sufficient for the accumulation to reach critical thresholds.
He stored the tiger carcass in the dimensional inventory, which took more deliberate effort than the technique usually required at this mana level.
The Mother-Seed's location was a crater of disturbed earth where the spatial domain's coordinate assertion had reorganised the substrate around the anchor point.
The fragments that remained were the specific remnant of a mana structure that had been the centre of a complex organic law system and was now the structural residue of that centre without the law sustaining it. They still carried a mana signature, faint and declining.
He retrieved the stasis container from the inventory and sealed the largest fragments carefully.
The hyper-regeneration architecture the parasite had developed — the specific mechanism by which wood-element law at this density could maintain biological repair rates that exceeded standard damage application — was something Isolde would find interesting. He was also thinking about the potential applications in the Ghost Sense programme's Stage 5 implementation, where the calibration of recovery rates between training cycles remained an open question.
He was aware that he was assembling cultivation research analysis while sitting in damp moss in an exhausted state in a cleared dungeon, which was a condition he held without judgment about its implications for his general approach to rest.
"Ready?" he said to Nagini.
She rose to his shoulder with the specific quality of something that was not fully restored but was sufficiently functional.
He stood and walked toward the exit portal.
The glade's silence followed him to the threshold — the specific quiet of a space that had been very full of something and now was not.
He carried the fragments, and the herb specimens for Isolde, and the accumulated data of an entire day of dungeon runs, and went through the portal.
The cool air of the facility felt, after everything, extremely ordinary.
He found this enormously welcome.