The circular vault beneath the twenty-eight steps owed nothing to the stonework of the mendicant monks whose ruined walls stood above. Its dome was carved directly from a single seamless stratum of dark mountain slate, unblackened by smoke and plain by painted lotus banners or incense niches. Around the outer edge ran a shallow stone gutter fed by a hairline spring-seep in the northern wall, whose slow, measured drops produced the musical plink Seyun had heard through the floor above.
At the exact center of the chamber, raised six inches above the floor on a circular dais of dressed slate, sat the skeleton of an old fighter in the cross-legged stance of quiet focus. What remained of a plain hemp robe had rotted into gray powder around the hip-bones. That left the ribs and collarbones fully bare to the animal fat light.
Seyun approached the dais slowly, stopping one pace short of the step and kneeling so his eyes were level with the dead fighter’s chest. A brother who had held the lamp for Mina across dozens of body dissections and splint-fittings. Then, and as a recorder who had spent eleven years studying how breath moved through human bone, what he saw inside that ribs made his breath still in his throat.
Threaded with extraordinary razor-sharp care through the between-rib spaces between the ribs, looping beneath both left and right collarbones and converging at the xiphoid notch below the chest bone, ran a network of hair-fine silver wire.
The wire had not been used to bind broken bones after death like an ossuary display. Looking closely at the tiny, smooth grooves where the silver passed around the underside of the collar bones and the fourth ribs, Seyun saw that the bone itself had grown a thin lip of living calcium over the metal edges before the fighter died. The dead master had worn or mapped those silver threads in life. And the three main return loops traced by the wire matched, tiny fraction of an inch for tiny fraction of an inch, the exact three pathways that clamped inward inside Seyun’s own chest whenever he tried to cross into Flame.
Seyun leaned six inches closer without letting his breath disturb the dust on the dais. He examined the three convergence nodes where the silver wires met the breastbone.
Beneath the left collarbone and the right collarbone, the silver loops had been deliberately twisted closed and flattened against the bone. The surrounding sternal joint padding bore the pale, hardened ridges of old spirit vein scar tissue. The clear body signed name of two return channels that had once carried heavy training pressure and had been permanently sealed shut months or years before the person died.
Only the third silver circuit, seated at the central convergence just below the chest bone, remained taut, open, and unbroken. Even so, the rib-bone behind it was scored with the fine fractures of someone who had borne a huge load with two-thirds of his endurance gone.
Whoever sat on this dais had possessed the same inward-closing anatomy that Ash Reed’s elders called a timid heart. And far from leftover trapped at Coal, he had reached a realm high enough to scar his own bones, had survived the closing of two major circuits, and had died sitting upright in full command of his stance. Meanwhile, the abbey burned overhead.
Resting flat across the skeleton’s crossed knee-bones was a box-shaped tablet of dark-gray mountain slate, fourteen inches wide and two inches thick. The recent boot-prints on the stairs had stopped right here at the edge of the dais. A faint smudge of modern iron-oil on the right rim of the slate showed where a prior visitor had tried and failed to pry the stone open with a blade tip.
Around the beveled border of the tablet ran a single line of clean, unweathered valley script. To whoever can name the error in this final proof, the last teacher leaves what remains.
Seyun knelt one pace before the circular slate dais. Meanwhile, his animal fat flame gleamed across the silver-wired ribs of the dead teacher. He took the time to observe the rest of the twelve-pace chamber before touching the stone tablet on the skeleton’s knees. There were no gold-lacquered weapon racks, no jade pill-bottles. No silk scroll-chests of the sort tavern legends promised in forgotten sect tombs.
Around the curved dark-slate wall were cut twelve simple stone quiet focus seats, each worn slightly hollow by decades of human weight. Above each seat, chiseled into the stone at eye level, was a pair of balance scales without numbers. And below six of those twelve seats, the floor flat stone slabs had been pried up and smashed hundreds of years ago during the final siege, their underground drainage channels filled with poured lead and broken iron spears to prevent anyone from escaping through the mountain springs.
Only this central dais had been left untouched by the siege crews. That was because the ceiling twenty feet above the dais still held three massive keystone wedges held in tension by a bronze balance-chain anchored behind the skeleton’s spine. Had a squad of recovery soldiers charged onto the dais and hacked at the dead teacher’s bones, the release of weight from the rear chain would have dropped forty tons of slate bedrock straight down onto the vault.
The recent visitor whose muddy boot-prints stopped at the edge of the dais had clearly spotted that overhead keystone chain. Just as he had spotted the warning stone carving around the border of the flat dark-gray slate tablet resting across the skeleton’s knees.
Seyun looked back at the skeleton’s hands. He saw that the finger-bones of both hands were resting palms-up on the inner thighs, the finger bones clean and unbroken. Meanwhile, the skull tilted slightly downward as if watching the tablet across its lap across two hundred years of dark.
What held Seyun’s eyes longest were those two twisted, scarred-shut silver loops beneath the left and right collarbones. In Mina’s cold and exact notes from Oran, she had once described examining an old river diver whose left lung had collapsed after a deep weir repair. The surviving right lung had swelled and thickened to carry the work. That left a deep, uneven hollow under the man’s ribs.
Here, the bone calluses on the dead master’s chest bone showed that when the left and right return pathways had closed, the fighter had not tried to force them back open with fire heat or drugs. He had accepted the permanent loss of endurance, re-balanced his stance around the single leftover central thread below his chest bone. Then he sat down alone to wait for the end.
Beside the skeleton’s right hip on the dais lay the dried, shriveled husk of an old wooden ink-pot and a snapped bamboo brush handle whose bristles had rotted away to dust. The tools with which the dying teacher had written his final record before sealing it inside the stone across his knees.
Moving the animal fat stub an inch to the left, Seyun also noticed a row of twelve tiny tally-notches cut into the front rim of the slate dais directly below the skeleton’s crossed ankles. Each notch was marked with a single first in valley script and a date from the third dynasty’s autumn register. The roll of the last twelve students who had left through the spring channels before the teacher poured the lead seals behind them and stayed behind to hold the keystone chain.
A teacher who sent his students out first, plugged the escape tunnel with his own hands. Then they stayed on the dais to keep the roof from falling on their retreat was not a charlatan selling false training steps. Seyun adjusted his knees on the cold floor until his spine was lined up in the first base stance, honoring the dead teacher with the only currency he owned: clean attention.
He also examined the iron-oil smudge left on the right border of the dark-gray slate tablet by the trial scout who had stood here two days earlier. The scout had pushed in the narrow tip of a stiletto or pry-knife into the outer edge and leaned his weight on it until the steel point snapped off. Leaving a tiny three-sided fragment of modern Oran hard steel wedged harmlessly in the fancy border groove without budging the lid a hair’s breadth.
Seyun set his animal fat stub down on the edge of the slate dais, drew his Account Book open on his knee to keep his hands steady. Then he bent over the chiseled sharp-angled proof covering the face of the stone.
Force without understanding had achieved nothing here except ruining a good knife. Seyun pulled his linen Account Book closer on his knee. He began to copy the twelve steps of the chiseled sharp-angled proof so he could test every line of its logic before touching the stone. Every chiseled vector on that four-inch-thick slab had been laid out as a final check for whoever came down the stairs after the siege.