He told Lysander that evening.
Lysander sat behind his desk in the way he sat behind his desk when receiving significant information — very still, both hands flat on the surface, no object between himself and the words.
Aaron gave him the full account: Solen's foreknowledge, the maintenance panel, the thirty years of waiting, the access documentation. He left nothing out. He had learned that Lysander's caution was not the caution of someone who couldn't handle complexity; it was the caution of someone who had survived a long time by managing information carefully. The right response to that was not to manage information at him.
When Aaron finished, Lysander was quiet for a long time.
"He installed the panel," Lysander said.
"Thirty years ago."
"I've been in this position for eleven years," Lysander said. "I have eaten lunch in that building every day for eleven years. I have walked past the panel access in the tower's exterior shrub row approximately —" He did not complete the calculation. "I never considered that it had been installed deliberately."
"He was careful," Aaron said.
"He is careful," Lysander said. He looked at his hands. "Thirty years of patience, a secret separate from mine, working toward the same thing from a different angle." He exhaled slowly. "I knew Solen was aware of the network. He's the headmaster of a school built on top of Sirath's primary formation anchor — he would have to be wilfully ignorant not to notice it." A pause. "I didn't know how much he'd inferred."
"He reached the rank nine boundary," Aaron said. "He knows about the timeline. The Shard separation."
Lysander looked at him.
"He reached it thirty years ago," Aaron said.
"I know," Lysander said. "I know he stopped advancing. I assumed — I assumed it was a decision about stability. A rank-eight headmaster is an effective and respected position. Many people stop at eight." He paused. "I didn't know it was because of what he'd seen."
"Sirath confirmed it," Aaron said. "The rank nine boundary — it's not like the other rank barriers. It shows the cultivator the full structural picture of what rank nine addresses. The Shard separation timeline."
"And everyone who has reached it," Lysander said slowly, "has faced a choice: advance and deal with what you've seen, or stop and find another way to address it."
"Solen chose to stay at eight and protect the foundation chamber," Aaron said. "He thought that was the more urgent task. He was probably right." He looked at the window. "But it means he's been holding that knowledge alone for thirty years."
Lysander was quiet.
"Three decades," he said, "of knowing the Shards are still separating. Of knowing that the eight hundred year window exists. Of knowing that no one in his position can say this to anyone who would believe it or act usefully on it." He looked at Aaron. "That is a specific kind of difficult."
"Yes," Aaron said.
Another silence. The instructor's office held them both in the lamplight — the old coastline map on the wall, the formation diagrams in their stacked cases, the quiet of a room where serious things had been discussed for eleven years.
"What did he say about the rank nine boundary's specific revelation?" Lysander asked. "You said it shows the full structural picture. Did he describe what the picture looks like?"
"The separation," Aaron said. "The rate. The eight hundred year window at current network capacity." He paused. "He said it wasn't about reaching rank nine for its own sake. That rank nine was for addressing the problem, not understanding it."
"Which implies rank nine has a specific — application," Lysander said. "A functional consequence for the world's structure, not just for the cultivator's individual capability."
"Sirath's been quiet about this," Aaron said. "He's confirmed what Solen told me. He hasn't expanded on it."
"Because you haven't pressed," Lysander said. Not accusatory — observational.
Aaron was quiet.
"Ask him now," Lysander said.
Aaron looked at the lamp. He had been deferring this question for a reason he hadn't fully examined. He examined it now and found the following: he knew that the answer was going to change what the goal looked like. He had been building toward the crossing attempt as the immediate target, and what lay beyond the crossing was deliberately left soft, unsharpened, because sharpening the further goal while the immediate one was unresolved felt like the kind of distraction that caused people to miss the step in front of them.
That was a reasonable concern. It was also a way of avoiding an uncomfortable answer.
"Sirath," he said.
"I heard," Sirath said. He had been listening, as he always listened during conversations that mattered. "What Solen saw at the rank nine boundary — what I know about rank nine's function — yes. I've been managing the timing of this."
"Stop managing it," Aaron said.
A pause.
"Rank nine," Sirath said, "is not a rank in the way that ranks one through eight are ranks. It is a different category. The first eight ranks are about a cultivator's relationship to their element — how much they can gather, how precisely they can use it, how deeply they can integrate with it." He paused. "Rank nine is about a cultivator's relationship to the world's structure itself. To the fabric of reality that the elements are expressions of." Another pause. "At rank nine, a spatial mage does not interact with the spatial element as a medium. They interact with space itself. The element is gone — or rather, the element and the practitioner are no longer separate things."
"The ancient mages," Lysander said. "They were called God-Level. That's the common term. But the precise term —"
"The precise term," Sirath said, through Aaron, "was Architects. We called ourselves Architects. Not because of arrogance — though there was arrogance, I won't pretend — but because it was technically accurate. At rank nine, you can alter the structural laws that govern your element in a local area. You become, within limitations, the source of your element's rules rather than a practitioner of them." A very long pause. "And when you approach rank ten — which we did, which we reached, which is what the ten of us did on the day of the Shattering — you begin to perceive the Source directly. The layer beneath all elements. The foundation of all foundations."
The office was very quiet.
"What did you find?" Aaron asked.
Sirath was quiet for a long time. Long enough that Aaron began to think he was not going to answer.
Then: "We found that the Source was not a resource. It was not a layer of deeper element to cultivate. It was —" He paused. "Aware. Not in the way you or I are aware. Not a person or a consciousness. But responsive. Interactive. The Source was aware of us in the way a burning fire is aware of what it touches."
"And the Shattering," Aaron said.
"We touched it," Sirath said. "Ten of us, at rank ten, reaching for something that was not designed to be touched by anything of our category. We touched it and the world — reacted." His voice was level but the levelness was the work of three thousand years of carrying this. "The Shards are not a structural consequence of energy release. They're not the result of an explosion. The Shattering was a response. The Source reorganised the world around the intrusion." A pause. "Separated us. Isolated us." Another pause. "And began the process of drifting, which I believe is an ongoing correction — the Source pushing the fragments further apart until the intrusion is sufficiently isolated that it cannot be repeated."
The silence was a long one.
"It's trying to protect itself," Aaron said slowly.
"That's one interpretation," Sirath said. "The interpretation I believe is correct, though I've had three thousand years to refine it and am still not certain."
"Then reaching rank nine," Lysander said, his voice careful, "and attempting to address the separation —"
"Might be interpreted by the Source as another intrusion," Sirath said. "Yes. That is the risk Solen saw at the rank nine boundary. That is why he stopped. Not because he couldn't advance — he could. Because he didn't know whether advancing, and using rank nine's structural capabilities to slow the separation, would be seen as a correction or as another attack."
"And you," Aaron said. "What do you believe?"
"I believe," Sirath said, "that the approach matters more than the rank. That there is a way to address the separation that is not an intrusion. That the bridge I built — the formation network, the bridgehead, the whole architecture — is not an assault on the Source's structure. It is a request." A pause. "It works with the formation layer, not against it. It uses the world's own spatial coherence to maintain contact rather than forcing new connections." He paused. "I think it is possible to speak to the Source rather than grab at it. I'm not certain. I designed the formation network hoping it was possible. I've been waiting three thousand years for someone to test the hypothesis."
"For me," Aaron said.
"For you," Sirath said. "For whoever was going to be in that cave with the Void Catalog, at the point when enough of the pieces were in place."
Aaron sat with this for a very long time.
Outside, the night was full and the academy was quiet, and somewhere in the foundation of the silver tower an ancient formation was counting its own preparation in percentages and waiting for the person who was going to finish what Sirath had started.
"The organisation," Aaron said. "They know about the Source."
"Almost certainly," Sirath said.
"And they believe the bridge is an intrusion."
"Or they have another relationship to the Source that the bridge would threaten," Sirath said. "I've had three thousand years to wonder. The organisation predates me — they were active in some form before the Shattering, and their post-Shattering behaviour suggests they had prior knowledge that most of the world didn't. What they know about the Source — what relationship they have with it — I don't know."
Aaron looked at Lysander.
Lysander looked back at him.
"One problem at a time," Aaron said.
"One problem at a time," Lysander agreed. Then, quietly: "But we know what problems are ahead."
"We know what problems are ahead," Aaron said.
He went to his room.
He lay in the dark for a long time without sleeping, which was unusual. He was not afraid, exactly. He was something that didn't have a simple name: the state of holding a much larger picture than you had the day before, and knowing that the picture is real, and going to sleep anyway because tomorrow the work continues.
He slept eventually.
In the morning, the work continued.