The west gate lodgings were called the White Egret House, which was aspirational naming for a building that had last seen an egret — white or otherwise — sometime in the previous century. It was, however, substantially better than the Cracked Tile: two stories of maintained stonework, actual glass in the windows, a courtyard with a covered well, and the quiet competent atmosphere of an establishment that catered to traveling cultivators and knew how to respect their privacy.
Xia Ruoyun's room was on the second floor. She had taken two adjacent rooms — one for sleeping, one for storing her sect's materials — and had paid for the month despite planning to stay three days, which told Wei Liang something about how she valued security margins. She showed him the second sleeping room — hers, she made absolutely clear, and the material storage room between them was not to be entered without her explicit permission — and gave him the small anteroom off the hall that was technically a sitting room and practically a generous closet with a window.
"There's a common bath on the ground floor," she said, standing in the doorway of the anteroom and visually assessing whether he would fit. "Meals are included in the room rate. I've already paid."
"Thank you," Wei Liang said.
"It's not generosity. I calculated the cost differential between this arrangement and hiring a night watchman from the city guard, and this is cheaper."
"I know," Wei Liang said. "I said thank you for the convenience, not the charity."
She looked at him with an expression that was not quite surprise and not quite reassessment. Then she went to her room and closed the door with the finality of someone ending a conversation that had gone slightly differently than expected.
Wei Liang set his cloth bag in the corner of the anteroom, sat on the window ledge, and looked out at the wet courtyard below. The mist had thickened back into actual rain, and the cobblestones of the courtyard were mirror-dark with it.
Resources acquired: shelter, meals, three days. Location: established. Next priority: second-stage spirit root repair.
The first paste had addressed the primary fractures. What remained was finer work — the secondary fissures, smaller but numerous, that were still interrupting qi absorption at the micro-level. The formula for stage two was more complex: seven herbs rather than three, with two separate refinement stages and a specific timing window between them. He needed a heat source more controllable than a tallow candle, and he needed privacy.
He looked at the window. The ledge was wide, and the small overhang above it created a sheltered space barely touched by the rain. A portable brazier — the kind traveling cultivators used for warmth — would be available at any of the cultivation supply shops near the central market. He had five copper coins remaining after the herb purchases that morning.
He counted the money carefully, planned the herb purchases, calculated the cost of the brazier against his available funds, and concluded that he was going to need to make more money tomorrow morning before the supply shops opened.
He spent the first hour of the evening watching the courtyard from the window, the second in cross-legged meditation working the slow, careful circulation patterns that were gradually retraining Wei Chen's qi pathways, and was halfway through composing the refinement procedure for the stage-two paste in precise sequential steps when his nose told him something was burning.
Not fire. Alchemy.
Specifically: the particular oxidized-copper smell of Cinnabar Mushroom in the early transformation stage, undercut with the sharp vegetal note of crushed Moonvein Grass. His own materials, from his cloth bag. Coming from — he placed it in one second flat — the storage room next to Xia Ruoyun's bedroom.
Wei Liang was off the window ledge and had covered the distance to the door before he had consciously decided to move. He knocked twice, precisely.
A pause. "What."
"You're running a refinement."
Another pause, longer. "That's not your concern."
"You're using Cinnabar Mushroom in a clay vessel," Wei Liang said, keeping his voice level and conversational. "I can smell the transformation stage from here. The compound becomes toxic if it's taken past the second color change without proper temperature reduction. How are you managing heat?"
Silence. Then the sound of footsteps, and the door opened.
The storage room was orderly in the way that Xia Ruoyun apparently made everything orderly: her sect's three crates of medical stock were stacked with precise spacing along one wall, the lids sealed and marked. A travel writing desk had been pulled to the center of the room with a portable qi-burner on it — the small, precise heat-control devices that cultivators used for alchemy work, far superior to his tallow candle setup — and on the burner was a medium-grade alchemical vessel, the proper ceramic kind with the layered insulation walls, currently showing a faint orange-red glow from the transformation occurring inside it.
The smell was unmistakably Cinnabar Mushroom at second-stage.
Xia Ruoyun stood in front of the setup with a look that was professionally neutral and personally irritated. "I've done this formula forty times," she said.
Wei Liang stepped into the room and looked at the vessel. His eyes went to the glow, to the steam pattern above the lid's vent, to the faint translucency in the ceramic walls that told him — quite precisely — exactly what stage the contents were at.
"What's your reduction timing?" he asked.
"Standard formula. Second color change at full heat, then reduce to forty percent at the first wisping."
"The first wisping in this vessel type happens twelve seconds after the point at which the compound has already become marginally toxic," Wei Liang said, without looking away from the vessel. "The standard formula was written for open-top vessels with passive heat dissipation. In an insulated vessel, the heat retention shifts the timing window. You should be reducing heat now, before the first wisp."
Xia Ruoyun looked at the vessel. Her hand moved to the qi-burner's control mechanism with the smooth unconscious speed of someone whose training was faster than her skepticism.
She reduced the heat.
Thirty seconds later, the first wisp curled from the vent. It was the pale grey of a correctly-timed reduction, not the yellow-tinged grey of a compound that had passed threshold.
She looked at the wisp. She looked at Wei Liang.
"The standard formula has a publication date of eighty years ago," Wei Liang said. "The vessel design changed approximately sixty years ago when the Central Alchemy Association standardized the insulated ceramic type. The timing correction wasn't formally documented because most competent alchemists adjusted for it intuitively and didn't write it down."
"Where did you learn that?" Her voice was controlled.
"I read everything I could find about alchemy," Wei Liang said, which was perfectly true and omitted nothing except ten thousand years of context.
She watched the vessel for a moment. The refinement continued smoothly, the color progression moving correctly. She had good instincts — if he hadn't knocked, she probably would have caught the timing by smell alone, a fraction late but likely still within safe margins. Likely.
"What are you making?" he asked.
She was quiet for a moment, with the specific quality of quiet that meant she was deciding how much to share. "A Meridian Clarity Pill," she said finally. "Grade two. My own supply is low and the local apothecaries don't carry quality above grade one."
A Meridian Clarity Pill was a standard cultivation-support medicine — it improved qi circulation clarity and was commonly used by cultivators from Qi Condensation through early Core Formation. The grade-two version required twelve precise steps, four of which were genuinely difficult enough to fail experienced alchemists regularly.
"What's your yield rate on grade two?" Wei Liang asked.
"Sixty-three percent," she said, with the precise recall of someone who tracked their own metrics.
He looked at the setup. At her herb preparation on the desk — he could see the pre-measured portions for the remaining steps. Her cutting technique was clean. The measurements were accurate. Her qi-burner temperature management was clearly practiced.
"You're losing yield at step eight," he said. "The Goldenleaf incorporation. You're adding it too fast — it should go in over forty seconds, not all at once. The active compounds in Goldenleaf need gradual exposure to the base to prevent localized precipitation."
She looked at her notes. He saw her finger move to a specific point on the page, checking something.
"The formula doesn't specify timing for that step," she said.
"No. It's one of the things competent practitioners adjust for intuitively and beginners don't know to look for." He paused. "May I?"
She looked at him for a long moment. Her expression was the careful, controlled surface of someone whose professional pride was conducting an argument with their practical intelligence, and practical intelligence was winning.
She stepped to the side.
Wei Liang sat on the stool before the setup and looked at the vessel, at the prepared materials, at the qi-burner controls. He touched nothing yet — just assessed, running the complete procedure through his memory against the specific variables of this particular setup, this particular batch of herbs, this particular vessel.
"Your Moonvein was cut three days ago," he said.
"Yes."
"Then at step six, you'll need to add fifteen percent more than the formula calls for, to compensate for the potency loss. The formula assumes day-of-harvest freshness." He looked at her measured portions. "This amount will undershoot."
She looked at the portion. Looked at him. Then she added more.
They worked through the remaining eight steps of the refinement together — him observing, occasionally redirecting with the calm precision of a teacher who has covered this material so many times that impatience is not a possibility, her executing with the practiced competence of someone who was genuinely skilled and becoming incrementally more skilled in real time. She asked questions exactly twice, and both questions were good ones — the kind that showed she was understanding the principle, not just following instruction.
At the end, when the pill-formation stage completed and she cracked the vessel to assess yield, she was quiet for a long moment.
Seven pills. All grade-two quality, which she confirmed with a quick spiritual sense assessment — he watched the faint shimmer of her qi reach into the pills and read their structure. One was borderline grade-three.
She lined them up on the desk. Looked at them. Looked at him.
"You said sixty-three percent was your yield rate," Wei Liang said. "Tonight was eighty-seven percent, with one grade-three outlier."
"I can do math," she said, but something in her voice had changed — not warm, Xia Ruoyun didn't appear to do warm as a default, but the particular quality of respect that competent people extend to competence they weren't expecting to encounter.
"You have good technique," he said, and he meant it without flattery. "Your temperature management is better than most Grade-3 certified alchemists I've — read about. The issue was knowledge gaps in formula context, not skill."
She was quiet. Then: "Where did you study alchemy?"
"Self-taught," Wei Liang said, which was true in the sense that he had, in fact, taught himself — simply ten thousand years ago. "I had access to a significant library."
She looked at him with the expression she had been turning on him with increasing frequency — the one that meant her categories for him kept requiring adjustment. "A self-taught teenage alchemist from a merchant family in a minor city," she said, slowly, as though testing the description against observable reality.
"More or less," Wei Liang said.
She picked up one of the pills. Turned it in her fingers. Set it back down.
"Sit down," she said finally, with the reluctance of someone making a decision they've decided to stop fighting. She moved her notes aside and pulled a second stool from under the desk. "I have questions about three other formulas I've been working through. You can tell me if your library covered them."
Wei Liang sat.
He answered her questions. She pushed back on two of his answers with counterarguments that were technically wrong but showed sophisticated reasoning, and he walked her through the error in each case with the care of someone who respected the quality of the wrong answer. She took notes in a small, extremely precise hand. The rain continued outside.
It was, Wei Liang thought, somewhere around midnight, an excellent evening.
He had not had an excellent evening in a very long time.