To measure the depth of an ocean is an act of caution. To cut the lead line is an act of faith.
Inside the black glass diving bell, the steady, rhythmic clanking of the hoisting engine on the 912th tier rang through the four-inch star-fallen wire cable. He lifted the cabin through the Hadal water column at a measured pace of four deep-water lengths per minute. Outside the faceted viewports, the dark waters of Entry hall 940 drifted downward—an endless curtain of black silk flecked with the dying embers of golden phosphorus from the safe hall below.
Qiao Ming sat upon the floor of the cabin, cross-legged, with the sixty deep-water lengths of his Knotted Horsehair Sounding Line coiled between his bare knees.
For forty seasons as a mortal sounder, and across eleven unsealed cycles as the Cartographer of the Sunken Heavens, this cord had been his total tether to reality. The line had been braided in the ancient rope-walks of Taiyuan from the tail-hair of white stallions pastured upon high salt-marshes. Twelve strands of horsehair, boiled in wood-ash lye and twisted around an inner core of heat-softened star-fallen copper wire, had created a cord that could hold five hundred pounds of dead weight without stretching by half an inch.
