Transit Bridge — Academy Island to Aldenre.
The transit bridge crossed a channel of approximately 90 ter, not wide by continental standards, but the water it spanned ran fast and cold with the deep-current character of water that was connected to a much larger body sowhere below.
The channel’s floor was bedrock at twelve ters depth, and in calm weather the water was clear enough that from the bridge’s midpoint you could see the stone below, pale and old, with a quality that suggested it had been there significantly longer than the bridge above it.
I had made this crossing, by my rough count, forty-one tis since October.
The bridge itself was a functional structure stone arch construction, no decorative ambition, built for the specific purpose of moving people and goods between the academy island and the mainland. It was wide enough for three people abreast or one laden cart.
There were low railings on both sides. In sumr, according to the third-year students who had been here long enough to speak about it with the weary authority of people who had survived a full year, the bridge was pleasant ,the water below sparkled and there was usually a breeze. In late autumn, the wind off the channel was the kind that found gaps in clothing and filled them with cold, and the water below was grey-green and entirely not sparkling.
I had my coat buttoned to the top.
The crossing took eleven minutes at a walking pace. I knew this exactly because I had tid it on the first trip and then kept noticing it on every subsequent one without intending to.
I spent the eleven minutes thinking about the Taros commission and what I would ask him, which I had outlined in the notebook before leaving.
The request was: interim assembly.
The null-response lattice needed to be fully integrated for complete void-mana type differentiation, but partial integration , seventy or seventy-five percent of the lattice active would be sufficient for passive ambient detection of void-adjacent mana in a controlled environnt.
The calibration could be completed after the initial placent, if I had access to the device post-placent.
The question was whether Taros could achieve partial integration by this week rather than next week.
Five days earlier than his committed tiline.
I was prepared to pay for this.
The financial plan I had drafted that morning was contingent on Seraphina’s cooperation, but the Vel’mar tip alone , if she took it to the family’s trade departnt and they acted on it would produce a finder’s arrangent that covered the accelerated commission cost with margin remaining.
The key was sequencing. I needed to speak to Seraphina before I confird the accelerated arrangent with Taros, which was why the Seraphina eting was this afternoon and the Taros conversation was now.
I crossed off the transit bridge into Aldenre.
The city’s entry point from the bridge was a small square, practical in the way of spaces that existed to accommodate the transition between a bridge and a city street.
Two vendor carts, a tea seller and a hot-grain stall occupied the corners of the square on the mornings and early afternoons when student traffic from the academy was heaviest.
The rest of the square was stone and foot traffic and the specific energy of a city midpoint that moved people through rather than inviting them to stay.
The eastern quarter was a fifteen-minute walk from the bridge square, northeast through the comrcial district.
I took the direct route: along the main comrcial street for six minutes, then the narrow diagonal that cut between the textile rchants and the import-goods warehouses, then the left at the stone well in the junction square that local residents apparently used as a landmark without knowing that it had been built as part of a mana-drainage system for the block’s original Foundation-era infrastructure.
Which I knew because I had written the drainage system into the world’s geography and then, like most things.
I had written into the geography, had never ntioned it in the narrative.
The Blackthorn Workshop sign was visible from the junction: T. BLACKTHORN — ARTIFICER. MATERIALS AND CONSTRUCTION.
I went in.
********
12:20 PM.
Blackthorn Workshop — Back Room.
Taros was in the sa position as three days ago: center bench, reading lenses down, work in his hands.
The half-assembled recording device was on a stand at the bench’s left side, more complete than it had been the exterior casing was visible now, a flat disc slightly larger than my palm with a surface. That had the dull non-reflective quality of materials designed to be invisible to casual inspection.
He looked up when I ca through the back-room door.
"You’re three days early," he said.
"I know. I have a sequencing problem."
He set down his tool and turned on his stool to face fully. This was, I had gathered, his version of paying attention.
"Tell ."
I told him. The infusion acceleration pattern, the projected final-session window from next Day after Tomorrow to next week, the placent requirent of Day 128 of my plan.
I kept the details operational and did not elaborate on the academic context beyond "it’s a docuntation project with a closing deadline."
He did not need the cult operation background. He needed the technical requirents.
He listened without interrupting.
"Partial lattice integration," he said, when I finished. "Seventy percent active would give you void-adjacent detection and basic mana-type differentiation. You’d lose the higher-resolution signature capture. If there are multiple mana types present simultaneously, the partial lattice will read the dominant type and sar the secondary."
He looked at the device on its stand. "Is multiple-type differentiation required?"
I thought about Elena’s observation. The unknown post-infusion signature. Not matching the void-mana type but appearing after it.
"Yes," I said. "I need to capture at least two distinct mana types if both are present."
"Then the resolution problem matters." He turned back to the bench and looked at the device with the expression of soone solving a problem by looking at it.
"Eighty-five percent integration. That’s the threshold where the secondary-type differentiation holds. Eighty-five percent by Day after Tomorrow. I need to drop the exterior calibration pass, which ans you’ll need to run field calibration yourself after placent. I can give you a calibration tool. Basic operation, shouldn’t need more than three minutes in the placent environnt."
"Day after tomorrow will be completed by 85%," I said. "What’s the cost adjustnt?"
He nad a number.
It was more than the fifteen percent surcharge for the full accelerated tiline. I had expected this. "Acceptable," I said.
Taros looked at . The look had the sa quality as the first eting but the assessnt of a craftsman asuring a client against so internal standard he did not articulate. Then he turned back to the bench.
"Day after tomorrow," he said. "Morning."
"I’ll be here at nine."
"Eight" he said. "I need in day ti for the final lattice alignnt and this ti of year the light’s only reliable in the morning."
"Eight," I agreed.
I left the workshop and walked back through the eastern quarter toward the main comrcial street. The city was at its midday activity level the morning’s quiet replaced by the movent of people with places to be and things to collect and transactions to complete, the mid-tier rchants’ establishnts showing their highest custor density of the day, the streets between them carrying the layered noise of a city going about its afternoon.
I stopped at the cartography supply shop.
The Foundation-era survey of the dungeon’s northeast section was not in the public catalogue. I had known this , it was a restricted docunt, held in the academy’s restricted library rather than the comrcial supply shop.
But the supply shop had a geological map index for the island region, and I needed to cross-reference one specific asurent: the depth of the northeast corridor’s lower level relative to the island’s bedrock.
The shop’s index had it. The northeast corridor at the junction approach ran at approximately fourteen ters below the island’s surface.
The Foundation stone at that depth had been in active mana-cycle contact for several centuries.
The cache I had placed in the worldbuilding notes, in the natural alcove sixty ters from the Chamber Seven junction, was at that depth.
It was real. It was there. It was, by every asure available to , accessible.
I bought a small-scale geological survey sheet of the island’s northeast quadrant.
It was a standard cartography supply item, nothing unusual about the purchase. And folded it into the inside coat pocket.
Then I walked back across the comrcial district to the bridge, crossed the eleven minutes of channel wind, and went to my afternoon lecture at 2:00 PM.
To be Continued...
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