Chapter 64: Between Tides

After midday, Grayhook changed sides. The settlement bay disappeared behind the rise within ten minutes of leaving Carrick’s practice. The path climbed over a shoulder of dark ground where the grass grew short under the wind, and the island opened toward a harder coast.

The wind had eased around the settlement. Up here it had room to run, and Severin kept one hand near the rock as Carrick led them along the narrow path.

Spray reached high enough to salt the grass. Far below, black water broke white against scattered stone, and the easiest ground narrowed until there was barely enough for two men to pass without turning sideways.

Ruth walked ahead of Rafael with a canvas medical roll under one arm. She did not watch her feet nearly as often as Severin did.

"You bring patients this way?"

"When they need the refuge."

"Even the ones who can’t walk?"

She glanced back. "You’ll like the answer less when you see the cleft."

He did. The path ended at a split in the rock wide enough for one person at a time. Cut footholds descended between the walls. A fixed rope ran beside them through iron staples driven into the stone, and two heavier rings sat higher up near a weathered timber bracket.

Severin tested one ring with his hand. The iron had been polished smooth where rope had worked against it for years.

"Stretcher line?" he asked.

Ruth nodded. "If they can’t climb, we lower them."

"Takes how many?"

"Four on a good day. Six if the wind is fighting us."

Severin looked down the cleft. Even with dry rock and daylight, carrying an unconscious man through it would be miserable work. In a storm, with wet rope and somebody bleeding through the stretcher, it would be worse.

Armin bent closer to the upper ring without touching it. "Replaced recently."

"Three winters ago," Ruth said. "The old one cracked. Crews have been replacing what breaks up here for generations."

Leo had already started down. "Talk while moving."

They followed. Halfway down, the cleft opened toward the water.

The cove below was small, almost mean. Irregular reefs and broken stone stood across its mouth rather than forming a clean wall. Outside them, the swell struck hard enough to throw spray above the lower rocks. Inside, the water still heaved, but the direct force had been broken. A boat caught there would be battered. It might also remain upright long enough for someone to reach it.

Severin stopped for a moment on the last cut step. They had spent two days hearing about the refuge. The cove did a better job in a few seconds.

Ruth pointed toward a dark opening at the rear. "Below there."

The cavern mouth sat above the lowest wash of the tide, broad enough for two people to enter abreast. Inside it, old rope hung from hooks near a stack of stretcher boards covered in oiled canvas. Sealed boxes had been wedged onto a ledge where ordinary spray could not reach them.

Ruth set down the medical roll and began shifting things before anyone asked. She moved one lantern hook higher and checked the lid on a supply box. Before picking the roll up again, she kicked loose grit away from the route between the entrance and the inner shelf.

"Don’t step there," she told Rafael, pointing to a dark strip along the left wall. "That patch stays slick even when everything else dries."

Rafael altered course without comment as Carrick led them farther in. The cavern widened after the first turn, enough for a broad shelf of stone to rise above the ordinary waterline.

Boards covered the worst dips to make level places for instruments and basins. Lamp hooks blackened by smoke marked the wall beside a box of blankets wrapped in waxed cloth.

Pale deposits crossed some of the darker stone. Salt or some mineral deposit, Severin guessed. Grayhook had enough strange rock that he had stopped pretending every color deserved a theory.

"This is where you work?" Leo asked.

"When I can," Carrick said. "If they come in farther out and moving them would make things worse, I treat them there first."

Ruth showed them where two people could turn a stretcher without clipping the wall. Carrick pointed out the highest reliable tide mark. Leo crouched near it, then began making a rough plan in his notebook.

For the next quarter hour they divided the visible cavern between them. Leo paced the floor with notebook in hand, stopping at cracks and recesses to add them to the rough geometry.

Rafael kept beside him with the case sheets tucked inside a leather cover, while Armin worked along the wall, following seepage and damp lines toward the drier shelf.

That left temperature to Severin. He started with his bare hand.

The rock near the entrance was cold enough to make his fingers ache, and a wet section farther in was worse. Most of the treatment shelf felt much the same until he moved toward the inner portion where Carrick had laid additional boards.

He pressed his palm to the stone beside one of them, lifted it, then touched a patch less than an arm’s length away. Severin frowned and tried both again.

"What?" Leo asked without looking up from the sketch.

"This bit feels less cold."

Carrick came closer. "It’s drier there."

"So is that."

Severin indicated the neighboring patch. He could have tested the stone with his gift, but Carrick and Ruth were close enough to watch every movement.

"Could be a draft," Severin said. "Or water behind it."

Armin crouched beside him. "Thickness, too."

"Or the stone itself," Carrick added.

Leo finally looked over. "Can we measure it without guessing?" ℯℯ𝑙.

Ruth answered before Carrick. "Yes."

She went to the emergency stores and returned with a long glass thermometer inside a wooden sleeve.

"This one’s for water and heated washes," Ruth said. "The fever thermometer won’t read low enough for this."

Ruth held the bulb flat against the entrance stone and covered it with folded cloth while Rafael noted the position.

They waited, took the reading, then repeated the same method on the wet outer wall and the treatment shelf. Armin timed each check with his watch so none received a shorter reading simply because somebody grew impatient.

The numbers were dull enough to be useful. Entrance rock tracked the cold air around it, while the wet wall and a cup of seawater came in lower. The inner shelf stayed above them.

The difference was small. Severin would not have trusted his hand alone to call it anything. They moved the thermometer to a dry patch nearby, waited again, and found that section closer to the rest of the cavern. Rafael noted both positions on the sketch.

"Again later," Leo said, and they kept working.

Armin followed a thin seep down the wall to where it vanished into a crack. Leo extended the rough map only as far as the visible turn, while Rafael had Carrick translate old phrases from the records into actual ground.

Near opening was easy to place. Sheltered shelf covered more than one usable position, and inner ledge meant the broad stone where they stood. Carrick admitted that his notes had not always distinguished one end from the other.

"That’s going to make your beautiful table uglier," Severin told Rafael.

"It survived you. It’ll survive this."

Severin almost smiled when they returned to the thermometer. The entrance reading had shifted slightly with the moving air, and the outer wet stone had changed with it.

The suspicious patch had barely moved.

Leo stared at Rafael’s notes rather than the stone. "How broad is it?"

They tested outward from the first point, checking the shelf a section at a time.

The pattern did not fill the whole shelf. Some sections behaved normally, while a patch only a few paces away held closer to the stable reading.

Similar numbers appeared at a deeper wall crossed by pale mineral deposits, though not along its whole length. They could not mark a clean edge around it.

Carrick watched the work with more interest than alarm. When Ruth read the third stable result, he gave a small nod.

"You’ve seen this before," Severin said.

"I’ve seen patients chill more slowly on this part of the shelf."

Leo looked at him. "That’s why you use this part."

"Partly. It stays drier and gives me room to work. Patients also hold heat better here, so I assumed the shelter explained it."

"You never compared the stone?"

"I had dying people on it," Carrick said. "Measuring the wall wasn’t usually the urgent problem."

Severin had no answer to that. Rafael was already transferring Carrick’s locations from the case sheets onto Leo’s rough plan, then checking the pages again.

"These are the cases where stabilization was strongest," he said.

Rafael placed three small marks around the more stable portion of the inner shelf. A fourth sat farther out, while another position could not be reconstructed closely enough to use.

Leo studied the marks. "Not all of them."

"No," Rafael said.

"But enough that we don’t dismiss it."

Rafael nodded. Severin looked from the marks to the stone under his boots. Several of Carrick’s strongest stabilization cases had been treated around the stable patch.

Leo turned to Carrick. "Jonah Lennox."

Carrick did not ask what he meant. He walked past Rafael and stopped near the inner end of the shelf, beside the second board Carrick used to level his working space.

"Here."

Ruth brought the thermometer without being told, and Armin checked his watch as they repeated the same timed check. Rafael found Jonah’s case sheet while they waited.

The result stayed inside the same narrow band as the other stable points.

Rafael added Jonah’s position to the cluster on Leo’s map.

Leo looked at Carrick. "How long was he here when he was at his worst?"

Carrick glanced down at the stone. "Almost all of it," he said. "That’s where we kept him."