Lan's invitation didn't become a rumor.
Rumors were for the outer yard.
In the inner hall, invitations arrived like a door left ajar—quiet, deliberate, and meant to be noticed by exactly one person.
Before nightfall, Luo Ping appeared at the edge of the inner service corridor where runners passed. He didn't call Wuchen's name loudly. He didn't need to. He stood there until Wuchen's eyes found him.
Then he spoke one sentence.
"Senior Sister waits."
Wuchen bowed once and followed.
He didn't go to Gu Yan first.
If he asked permission, Gu Yan would either forbid it to make a point or allow it to tighten the leash. Either way, asking would show fear.
He chose a third path.
He went as if it was already decided.
Lan's courtyard was quieter at night. The blue lantern flames made bamboo shadows look like blades. The guards at the gate saw the jade token edge at Wuchen's cuff and stepped aside without asking.
Luo Ping led him past the pavilion and down a side path toward a smaller room set behind a screen of bamboo.
A study.
Not a meeting room.
That meant the trap would be clean.
Inside, Lan sat at a low table with a single lamp. No tea set this time. No servants. On the table were three items laid in a neat line.
A thin black booklet bound with cord.
A small jar sealed with pale wax.
And a silver needle like the one Gu Yan used to shape wax seams.
Lan looked up as Wuchen entered. "Close the door," she said.
Wuchen closed it.
The latch clicked.
For a moment, Lan only watched him.
Then she spoke, voice mild. "Gu Yan sent you," she said.
Wuchen bowed. "This one follows orders."
Lan's mouth curled faintly. "Orders," she repeated. "Or hunger."
Wuchen didn't answer.
Lan tapped the silver needle once. "Sit," she said.
Wuchen sat on the mat across from her, posture low, eyes lowered but not closed. Closing eyes around Lan felt like offering your throat.
Lan lifted the black booklet and slid it across the table toward him.
Wuchen didn't touch it yet.
Lan's eyes narrowed slightly. "A seal method," she said. "Not a full manual. A chapter."
Wuchen's throat tightened.
This was the gift Gu Yan warned about.
Lan continued, "It's called the 'Nine Knot Seal'," she said, "used by runners and assassins. Thin Origin, leaky cups. People who can't afford to waste breath."
Wuchen swallowed. The name sounded too sharp to be cheap.
Lan watched his face for a breath, then smiled faintly. "Open it," she said.
Wuchen's fingers touched the booklet and opened it carefully.
The first page held diagrams of breath loops, not grand meridian charts. Short lines. Tight circles. Small habits. The kind of method that didn't look impressive, but could change what a body could hold.
Lan leaned forward slightly. "This seal doesn't give you qi," she said. "It stops it from fleeing."
Wuchen's voice was careful. "Senior Sister gives this… to this one?"
Lan's smile sharpened. "I lend it," she corrected. "For three nights. Then you return it."
Wuchen's stomach tightened.
A loan meant a chain.
Lan added softly, "Gu Yan buys you with fear. I buy you with technique. Which one lasts longer?"
Wuchen kept his gaze down.
He couldn't refuse.
He couldn't accept too eagerly.
So he did what Gu Yan taught: trade.
Wuchen bowed and slid the jade token out, placing it on the table between them. "This one already carries Senior Sister's protection," he said quietly. "This one doesn't deserve more."
Lan's eyes flicked to the token, then back to Wuchen. "You're trying to refuse," she said.
Wuchen bowed lower. "This one is afraid," he admitted, letting truth wear the mask of weakness.
Lan smiled. "Good," she murmured. "Fear makes tools careful."
She pushed the booklet back toward him again. "Take it," she said. "And I'll teach you one page now."
Wuchen's throat tightened. "Teach?"
Lan nodded. "If you learn wrong, you ruin yourself," she said. "Then Gu Yan blames me, and I dislike blame."
She lifted the pale-wax jar next. "And this," she said, "is a seal paste. You rub it on the wrist points before sleep. It makes the Nine Knot Seal settle."
Wuchen's stomach tightened again.
A method and a paste.
Comfort.
But comfort with hooks.
Lan set the jar down and picked up the silver needle. "Now," she said softly, "your lesson."
She held out her hand.
Wuchen hesitated, then extended his wrist.
Lan's fingers were cool, and her touch was controlled, not gentle. She pressed lightly at the pulse point, then traced a short line along the inner wrist toward the forearm.
"Feel that?" she asked.
Wuchen swallowed. "Yes."
Lan's eyes narrowed. "That's where you leak," she said. "Most thin cups leak through the hands first. Fingers warm. Palms itch."
Wuchen's stomach tightened. That was exactly what had happened with his first grain.
Lan continued, "Breathe in," she said. "Short. Short. Long."
Wuchen obeyed.
"Now hold," Lan said.
He held.
Lan pressed the needle's blunt end against the wrist point, not piercing skin, just pressing. A dull pressure.
"Pin," she whispered.
Wuchen felt a faint tightening in his lower abdomen, like the breath looped on itself for a moment instead of escaping upward.
Lan's eyes brightened. "Good," she murmured. "Again."
She repeated it, making him stack breath and pin the wrist point with dull pressure. Each time, the loop felt slightly clearer.
Wuchen's chest tightened with something that wasn't fear.
Recognition.
This wasn't grand.
It was practical.
It would work.
Lan leaned back and set the needle down. "You learn fast," she said softly.
Wuchen bowed. "This one only wants to hold."
Lan's smile sharpened. "Hold what?" she asked.
Wuchen didn't answer.
Lan's eyes stayed on him. "Tell Gu Yan," she said, voice mild, "that I'm helping his runner."
Wuchen's throat tightened. "Senior Sister wants him to know?"
Lan smiled. "Of course," she said. "I want him to feel it."
She reached forward and tapped the booklet once. "Three nights," she said. "Return it on the fourth."
Wuchen bowed. "Yes."
Lan's voice lowered. "And Wuchen," she added, "if Gu Yan asks what I taught you, you can tell him the truth."
Wuchen froze.
Lan smiled faintly. "Truth is a weapon too," she murmured. "Sometimes you swing it to make someone step back."
Wuchen bowed and carefully tucked the black booklet and the sealed paste jar into his robe.
As he rose to leave, Lan's gaze slid to his collar trim again. "Tell your master," she said softly, "that comfort isn't always soft."
Wuchen didn't answer.
He backed out and left the study, Luo Ping waiting outside like a shadow.
On the walk down, Wuchen felt the two grains of qi in his belly wobble, then settle slightly when he stacked breath the way Lan taught.
He didn't feel stronger.
He felt… less leaky.
And that scared him, because now both sides had given him something that worked.
Which meant both sides would claim they deserved the results.