The mission notification had arrived through Elena's office with the standard formatting and the specific portal assignment he had discussed with her the previous evening.
He ate breakfast with the focused attention he gave the first meal before a demanding task, confirmed his equipment, and went to the Mission Hall.
Saylor was punctual.
He came through the departure hall's entrance with the specific quality of a practitioner who had been carrying something for a long time and had arrived at the event he had been organising himself around. His mana signature was what the Fate's Eye had been reading across two years — the corruption deeper now, the structural dark more thoroughly integrated, the poison affinity operating as secondary to something that the Fate's Eye still did not have a clean classification for.
He also wanted Markus dead. This was visible in the quality of the amber eyes, the jaw, the way he positioned himself in the room.
Markus had known this coming in.
He gave Saylor the nod of one mission partner acknowledging another, turned, and led the way to the transport.
The flight to Oakhaven carried them in the specific silence of two people who were not talking, which was not the same as peace. He spent the flight with the Perception's read on Saylor's mana signature, building the detailed map of the corruption's architecture that the spatial sense at 100% comprehension could now produce. The Fate's Eye filled in what the spatial read indicated at the channel level.
The corruption's root structure was identifiable. Not the way the Sovereign Catalyst's root had been identifiable in the Mother-Seed, a clear central node — the corruption in Saylor was not a single point but a distributed integration, woven into his mana channels the way the Iron-Root Glade's network had been woven into its host organisms. The specific property that made it dangerous was the same property: it had been present long enough to have become structural rather than contingent.
What the spatial sense told him at 100% comprehension was something it could not have told him at lower levels: the corruption had a specific coordinate architecture. It occupied real positions in Saylor's channel structure. And position, at 100% spatial law, was addressable.
Whether the address would work was the question the mission was designed to answer.
Alistair met them at the Oakhaven landing area with the specific precision of someone who had been briefed on the mission's dual nature and was managing the professional and the personal aspects of receiving them simultaneously.
He embraced Markus briefly. The gesture said what it said. He then turned to Saylor with the specific quality of a Level 76 practitioner meeting the current threat to his family: not warm, not hostile, the contained and accurate awareness of someone who understood exactly what was standing in front of him and had decided on the correct register for it.
He did not offer Saylor his hand.
Saylor received this without comment.
Alistair led them to the West Gate. The Oakhaven Mother-Seed's influence was detectable the moment they passed through the gate — the living mana field the installation now maintained, the pheromonal perimeter that the integration had produced. He had not been back to Oakhaven since before the palace assignment, and the change was significant.
Saylor registered the Mother-Seed's field as well. He watched the corruption's response to it through the Fate's Eye: a brief intensification, the dark expressing its aversion to something that was healthy biological mana doing what healthy biological mana did.
Information. Filed.
The Forbidden Forest, between Oakhaven and the portal, was the Forbidden Forest. The changes Falcon had described at the Calamity warning briefing were visible in the growth pattern's density, the atmospheric mana concentration, the quality of the wildlife's response to their presence. The beasts that registered them at range did not approach, which was the Mother-Seed's perimeter influence holding its boundary.
The portal's violet bleed was visible from three hundred metres.
It had haemorrhaged into the surrounding landscape with the specific pattern of a Tier 4 mana source that had been uncontrolled for weeks — the loam necrotic, the vegetation skeletal, the air carrying the dense concentration of toxic compounds that a poison-element practitioner would find advantageous.
He stepped through first.
The Toxic Swamp's atmosphere was what the briefing documentation had described and considerably more present in the lived experience. He extended the Spatial Bubble immediately — the 100% spatial law's expression of the technique maintaining the atmospheric barrier with minimal channel cost, the zero-mana-overhead version of what had previously cost him a steady drain.
He began mapping the swamp's geometry. The Blight Toad's signature was readable at range — Level 49, the specific mana architecture of a creature that had been absorbing the swamp's toxic concentration for its entire development cycle and had become a living expression of it.
Behind him: Saylor's mana signature, the corruption's dark responding to the swamp's poison saturation the way it had briefly responded to the Mother-Seed's field, except in the opposite direction. The swamp's environment was feeding it.
He noted this, continued mapping, and began the staged approach toward the boss room.
He let himself look, from the outside, like a practitioner managing the Tier 4 environment at sustainable cost.
He was not managing it at sustainable cost. He had no meaningful cost in this environment at his current level. But Saylor's tactical planning required him to believe otherwise, and Saylor's tactical plan was the trap that would give Markus the window he needed.
For twenty minutes he moved through the swamp with Saylor maintaining his shadow position behind him, and he let the performance develop with the patience of someone who understood that the extraction attempt required Saylor to commit to the attack before the spatial domain engaged him, because a practitioner who had not committed could not have the corruption addressed without becoming a struggle rather than a treatment.
He was not looking forward to what happened after Saylor committed.
He was going to do it anyway.
The boss room threshold was the correct position. He collapsed against the stone with the credible exhaustion of a practitioner who had been maintaining a Tier 4 atmospheric barrier while clearing the swamp's population.
He waited.
Five minutes. The Fate's Eye reading Saylor's position and the corruption's state simultaneously. The dark was at high activation — the swamp had been feeding it, and Saylor's intent had been feeding it, and the combination had brought it to the specific state where the corruption was at its most architecturally legible.
This was the best window.
Saylor emerged from the treeline.
The Blight Toad came out of the boss room at the same moment Saylor committed to the attack, which was the specific coincidence of a mission whose timing had been what it had been.
Saylor's strike was a wave of concentrated corruption energy rather than his poison technique — the dark expressing directly rather than through the affinity it had been overwriting. The target was the gap in the Spatial Bubble's barrier that Saylor believed the exhaustion had created.
The Spatial Domain deployed at full radius before the wave completed its trajectory.
Saylor's strike hung in the domain's field.
The Blight Toad hung in the domain's field.
Nagini received the instruction and handled the Blight Toad, which was the work of a moment at her operational level.
Saylor remained suspended in the domain's coordinate lock.
Markus walked toward him.
The silence of the domain had the quality that high-stakes silences had — not peaceful, the specific pressure of a moment that had been building toward itself.
"You came to kill me," Markus said.
He said it without accusation. As a fact between them. As the thing that was true and needed to be acknowledged before anything else could happen.
Saylor's face, locked in the expression it had been making at the moment of the attack's commitment, carried the specific combination of hatred and fear that the corruption's integration produced when the practitioner's own consciousness was still present and in conflict with what it had become.
"I know about the assassin contracts," Markus said. "Illinois City. The dungeon. I knew about them while they were happening." He came to stand at the distance where the spatial work would need to be performed. "I didn't come here to discuss them. I came here to try to address what's been happening to you."
He paused.
"Your grandfather made choices. The guild made choices in response to those choices. I have thought about where my actions and their consequences sit in that chain, and I don't have a clean answer." He looked at Saylor directly. "I'm not going to give you the version where the Vane family's decline was entirely separate from the tournament match. I don't know if that's true. What I know is that the thing in your channels now is not the grief you had two years ago. It moved into the grief. And if it finishes what it's doing, you won't be in a position to decide anything about any of it."
He placed his hand against Saylor's shoulder.
"This is going to be painful," he said. "I'm sorry for that."
He began.
The spatial law's interaction with the corruption's coordinate architecture was the most precise work he had done since the Mirror-Lord's lattice.
The corruption occupied real positions in Saylor's channel structure. At 100% spatial law comprehension, positions were addressable. The specific application required flooding the channel network with spatial law field assertion at the resolution that produced coordinate reorganisation rather than simply pressure — not forcing the corruption out, changing the spatial conditions in which it could maintain its positions.
The Sovereign Catalyst synthesis with Isolde had been the reference point. The principles were the same. The scale was different: a living practitioner's channel network was not a static crystal lattice, and the corruption's response to the spatial law's intervention was active rather than passive.
It fought.
The pain this produced for Saylor was real and Markus was aware of it and could not make it different without abandoning the process, so he held his position and continued the work with the specific steadiness that difficult necessary things required.
The purge moved through Saylor's channels in the sequence the Fate's Eye had mapped from the flight — the distributed integration addressing in segments rather than all at once, each segment requiring the spatial assertion to complete before the next one could be approached without the first one re-establishing.
An hour.
When it was done, the Fate's Eye read Saylor's mana signature and found the corruption absent. The channels were damaged — the process of removing something that had been integrating for two years left the channel architecture in the specific state of material that had been cleared of something that had been load-bearing. Not destroyed. In need of significant time and specific recovery work.
The poison affinity was still there, underneath. Primary again, now that what had been overwriting it was gone.
Saylor was unconscious.
He was breathing.
Markus picked him up, which required the specific practical effort of moving a person who could not assist in being moved through terrain that was genuinely hostile.
He did this without commentary, because commentary was not what the situation required.
He thought about Elena's words in the office: He was a boy who lost someone and made a series of choices with diminishing clarity. Keep that in front of you.
He had kept it in front of him. The entire hour.
He carried Saylor through the swamp and back through the portal and to the Oakhaven medical facility, where the recovery work would begin.
Outside, the Forbidden Forest continued its slow, patient expansion.
Above it, the atmospheric mana concentration was what Falcon had said it was two years ago: something that was not going to stop on its own.
He handed Saylor to the medical team and sent the mission debrief to Elena's office.
Then he sat outside the facility for a while and let the weight of the afternoon be the weight it was.
Celeste had told him to feel it.
He did.