The bell above the pharmacy door rattled with a dry, hollow chime.
Apothecary He didn’t look up from his stone drying table. The old healer was slicing dried angelica root with a thin bronze guillotine, the steady, rhythmic shuck-thump of the blade the only sound in the dim, herb-scented room.
“Reflux steam cooler works,” He grunted, tossing a handful of sliced roots into a cedar bin. “Tripled the yield on the cold-marrow distillate. I made eighty spirit stones off the outer elders before noon. What do you want, Clerk Lin?”
Lin Ke stepped up to the sandalwood counter.
He unslung his heavy hemp satchel, placing forty raw spirit stones onto the polished wood with a dull, ringing clatter. Beside the stones, he laid out a precise supply order list written in black ink on stiff rice paper.
“Ten pounds of refined vermilion Red ink flux,” Lin Ke said evenly. “Five jars of high-thickness Bone-Root resin. Thirty sealed vials of northern cold-spring dew. And two ounces of numbing datura extract.”
The guillotine blade froze in mid-air.
Apothecary He turned his head slowly. His yellowed eyes squinted through his cloudy quartz glasses, first at the pile of flawless spirit stones, then at the list, and finally at Lin Ke’s pale, shadowed face.
“Red stone flux? Bone-Root resin?” He sneered, wiping his stained hands on his leather apron. “That’s not medicine. That’s a corpse-preservation formula. Or the test chemical list for a madman trying to pickle his own viscera. What are you brewing, boy?”
Lin Ke kept his hands inside his sleeves. “A metalworking steadying bath.”
“Don’t lie to an old man who has buried three hundred fire slaves,” He snapped. He leaned across the counter. His watery old eyes suddenly locked onto Lin Ke’s left sleeve.
Lin Ke hadn’t moved. But the slight stiffness in his wrist was clear to a physician who had spent forty years diagnosing tendon tears.
Before Lin Ke could step back, He’s gnarled right hand shot out like an iron talon.
With surprising, viper-like speed born of Qi Gathering training, the old apothecary seized Lin Ke’s left wrist, twisting the sleeve back to expose the hand.
He froze.
The old man’s breath caught in his throat.
Lin Ke’s left index finger rested on the sandalwood counter. The middle finger bone was fully, clearly slate-grey. It carried no pulse, no tiny blood vessel flush. Only the matte, cold luster of dense forged metal, perfectly fused to the living joints above and below it.
Apothecary He released the wrist as if he had grabbed a live viper.
His face flushed with sudden, scared fury. He backed two paces away from the counter. He reached behind his herb racks for an eight-inch brass alarm chime.
“Demonic flesh-refining,” He hissed, his voice trembling with genuine horror. “The Corpse-Puppet Sect... Or the Blood-Bone heresy. You’ve brought forbidden rotting arts onto Azure Cloud Sect soil!”
“Apothecary He—”
“Quiet!” the old man snarled, raising the bronze hammer above the alarm bell. “One strike on this chime, and three Punishment Guards will be through that door before your next breath! They’ll hang you from the Thousand Sword Cliff and strip your skin with iron combs! Speak! Who gave you that corpse-refining manual?”
Lin Ke didn’t reach for a weapon. He didn’t try to bolt.
Tianfu. Branch.
In the grey sandbox, Lin Ke ran two obvious routes.
Route One: Deny it and claim it was an accident at the forge.
In test model, He struck the bell right away. The old healer was a master of anatomy. You couldn’t convince him a hammer accident turned a bone into star-fallen iron.
Route Two: Offer him a fifty percent cut of the refined Cold-Patterned Iron profits.
In test model, He sneered with disgust. The old man was cynical, but he lived in terror of demonic contamination. No amount of money was worth an execution for harboring an apostate.
Never lie to a specialist in his own domain, Lin Ke diagnosed. Speak his language. Strip away the mystical terror by explaining the sickness in rigorous, cold and exact mechanics.
Lin Ke cut the mental branch.
He slipped his right hand into his pocket, pricking his thumb pad with the iron metal pen.
“Branch checked: main.”
His eyes snapped to Apothecary He’s trembling hand hovering over the bronze chime.
“The Iron Marrow Manual poisoned my skeleton,” Lin Ke said, his voice flat, steady, and cold and exact as an autopsy report. “You told me that yourself two days ago. Insoluble calcium phosphate melted rock waste choking the blood-vessel channels. You said my ribs would collapse into chalk within three months.”
He held the bronze hammer steady, but his eyes narrowed. “I did. And I told you to drink Marrow Jade Broth, not turn yourself into an iron statue!”
“Jade Broth lubricates. It can’t debride,” Lin Ke continued, keeping his hands open and unthreatening on the wood. “The stone deposits inside my bones are chemically insoluble at living pH. To remove them, I had to introduce a controlled, pulsed osteolytic reaction to strip the stone-hard lime from the connective tissue scaffold.”
Lin Ke pointed to his slate-grey finger.
“Look at the tissue, He. Is there rotting? Is there demonic foul fog? Is there corpse-rot swelling? Take your test spirit probe and check the cellular boundaries.”
He paused.
The physician’s instinct in the old man warred with his terror. After five painful seconds, He slowly lowered the bronze hammer. Even so, he kept it within arm’s reach.
He reached into a drawer and retrieved a slender silver probe tipped with a polished white spirit jade sphere.
“Hold still,” He growled. “If this jade turns black, I ring the bell.”
He stepped up to the counter. Then he pressed the cold jade sphere against the slate-grey middle finger bone.
He channeled a thin, vibrant thread of test Wood Qi into the bone.
The white jade sphere flared with a soft, pale green light.
It didn’t turn black. It didn’t cloud with red or purple demonic corruption.
Instead, the light refracted through the jade with exceptional clarity. It shook with a high-hum, metal deep ring that made the silver probe hum in He’s fingers.
The old apothecary’s jaw dropped.
“Zero foul fog...” He whispered, leaning closer, his glasses nearly touching Lin Ke’s skin. “No rotting degeneration. The bone-skin is intact. The blood-vessel supply is... Wait. Where is the spongy bone?”
“Replaced,” Lin Ke said flatly. “The osteolytic pulses dissolved the insoluble calcium melted rock waste in split-second duty cycles. During the forty-split-second rest cycles, I infused a super-soaked iron-red stone chelation buffer. The iron atoms bound to the exposed connective tissue matrix, forming an interstitial metal lattice. It’s not demonic flesh-refining. It’s controlled metalworking cleaning and load-bearing alloy reinforcement.”
He pulled the silver probe away, staring at Lin Ke as though looking at a ghost.
“You... You treated your own living skeleton like a crucible of pig iron.”
“Bone is simply a calcium-phosphate baked-clay composite,” Lin Ke replied without emotion. “When a building scaffold fails due to melted rock waste contamination, you don’t pray. You debride the melted rock waste and substitute an alloy with higher pulling strength.”
He slumped back against his herb shelves, his chest heaving as he exhaled a long, shuddering breath. He dropped the brass hammer into a wicker basket with a dull clatter.
“Madness,” He muttered, shaking his head until his topknot came loose. “Complete, cold-blooded madness. No fighter in four hundred years has ever thought of living bone as forge melted rock waste.”
“Will you sell me the reagents?” Lin Ke asked, nodding toward the forty spirit stones on the counter.
He looked at the stones, then down at the slate-grey finger, and finally into Lin Ke’s unblinking, pitch-black eyes.
“You’re going to do the rest, aren’t you?” He whispered, his voice hoarse with dread. “The finger was just the test bench. You’re going to merge that iron lattice into your entire skeleton.”
“The nearby merge created a flow pushback mismatch at the proximal joint,” Lin Ke explained calmly. “If I don’t commit the patch across the entire skeletal framework, the sideways tearing force will tear my joints apart under the next heavy load.”
He closed his eyes, pinching the bridge of his nose.
“You have no idea what you’re asking for, boy,” He said quietly. “A single finger is one thing. But a full-body osteolytic dissolving? When that reaction hits your thigh bone, your pelvis, your spine... The body-energy heat will be sky-high. Your inner body heat will spike past forty-one degrees. You’ll be in a violent, bone-melting fever for three, maybe four days.”
The old man leaned across the counter, gripping Lin Ke’s collar with fierce, desperate intensity.
“You could boil your own brain, Lin Ke. If the fever crosses forty-two degrees, your mind will dissolve before the iron can set. You’ll be an iron-boned corpse locked in an unmoving cage of meat.”
“I have a reverse-flow kidney cooling loop,” Lin Ke said. “And I have thirty vials of your cold-spring dew.”
He stared at him for a long, silent moment.
Then, he let out a harsh, defeated sigh.
“Wait here.”
He turned to his private inner vault, unbolting three heavy brass locks. He emerged five minutes later carrying two heavy wooden crates packed with straw.
Inside lay ten pounds of brilliant, purified vermilion Red ink flux, five clay pot jars of thick, pine-scented Bone-Root extract, thirty sealed crystal vials of northern mountain dew. A small, stoppered vial of dark amber oil.
“That last vial is Thousand-Year Glacier Dew,” He said roughly, shoving the crates across the counter and sweeping the forty spirit stones into his drawer. “Take a drop under your tongue every six hours during the peak fever. If your mind starts to slip into delirium, it will freeze your thoughts long enough to keep your breathing steady.”
“Acknowledged,” Lin Ke said, nodding with genuine skilled respect. “Thank you, Apothecary.”
“Don’t thank me,” He spat, turning his back to resume slicing angelica root. “If you die in that cellar, I’m telling Elder Wu you choked on a turnip. Now get out.”
Lin Ke packed the crates into his canvas satchel, hoisted the heavy load over his shoulders. Then he stepped out into the blinding mountain daylight.
He hurried down the winding path toward the Seventh Ward’s outer edge.
As he rounded the final corner near the smelting compound’s main iron gate, he stopped dead.
Fifty paces ahead, pacing back and forth across the muddy road like a caged tiger, was Elder Wu DeZheng.
The fat elder was drenched in sweat, his fine silk robes spattered with mud, his round face purple with sheer, pure panic.
In his right hand, Wu was clutching an official crimson-and-gold scroll bearing the terrifying, three-toothed wax seal of the Outer Court Punishment and Audit Checker office.
Wu looked up, saw Lin Ke approaching. Then he let out a strangled, high-pitched scream that sent a flock of crows scattering from the pine trees.
“Lin Ke!” Wu shrieked, tripping over his own hem as he lunged forward. “We’re dead! We’re all dead! They’re coming!”