16. Thea
SIXTEEN
THEA
The mile to the limestone caves wasn’t distance to Thea; it was a calculus of failure modes.
Data point: the ground-truth is failing.
Every step was a subsecond algorithm. To her left, the ash was dry and gray: load-bearing for a heavy boot.
To her right, the ash darkened with condensed steam, glossy and treacherous.
Low rumbles threaded the earth beneath her soles; heat radiated from fissures that seemed to breathe.
She stayed windward of every ridge, mapping invisible CO2 basins in her head: low hollows where the air could go lethally thin without warning.
“Keep your rhythm, Doc,” a voice said at her ear.
Hurricane. She didn’t need to look; she could hear the cadence of his boots and the metallic jingle of kit. He was her lateral anchor.
“I’m adjusting,” she rasped, lungs burning as the oxygen thinned. “Air’s about two percent down from the cabin. My social processing is lagging.”
“Then don’t process the people,” Hurricane said, low and steady. “Ohio taught me simple things. This vertical stuff is a different animal.”
Thea latched onto “Ohio,” a stable datum to wedge the logjam in her head. She started to ask a human question, the kind that steadied her, when the mountain screamed.
The slope lurched. A 5.0 jolt shoved the horizon ten feet to the west. Thea’s internal map stuttered and collapsed as the world tilted.
“Watch the fissure!” Picasso’s voice cut across the thunder.
Beneath Thea’s right boot, the ground turned to wet clay and slipped. Ben’s hand snapped out and hauled her up before she could slide away. The air filled with a harsh, acidic steam that burned lungs and masked sound.
“Falcon’s down!” Reef’s shout punched through the cloud.
Thea wiped grit from her eyes and saw a nightmare unfolding through the haze. A new jagged rupture had unzipped the earth directly beneath Falcon’s feet. The granite slab he had been standing on tilted violently, sending him sliding toward a vertical drop that breathed white-hot steam.
Reef, moving with a desperate, lunging agility that defied the bucking ground, threw himself across the shifting silt.
He dove forward, his chest slamming into the hot ash as his hands locked onto the drag-handle of Falcon’s tactical vest just as Falcon’s legs cleared the edge.
Reef’s own boots skidded dangerously close to the venting heat, his face turning a deep, scorched red from the proximity of the plume.
“I’ve got you!” Reef roared, his muscles bulging as he anchored his weight against a shifting rock, holding Falcon suspended over the dark, hissing void.
Picasso was there a second later, rifle slung and hands reaching for Falcon’s collar. He moved with a reaction time honed by nightmares. Just as Picasso’s fingers brushed Falcon’s jacket, the wounded SEAL rasped, “Don’t pull. Shoulder. Out of socket.”
Thea’s eyes strained in the low light, locking on the twisted angle where Falcon’s arm hung. Heat shimmered off the fissure edges, ghosting in the flashlight beams; the steam tasted like battery acid on her tongue. Every second they spent balanced on the edge of that crack was a knife-edge.
“Reef, Picasso, on his belt and vest. We haul together,” Grizzly ordered.
Thea ran the vectors: anchor tension, lift angle, ash drag.
Hurricane’s boulder looked solid. Thea tuned the line’s tension in her head and counted breaths.
Reef and Picasso hooked on. Falcon’s face was tight, sweat and ash streaking his cheek.
When the team eased him onto firmer ground he sagged, the breath leaving him in a ragged animal sound.
Data point: anterior shoulder dislocation. Risk: axillary nerve compression; probable rotator cuff strain.
Wyatt dropped his bag beside them, his movements steady and assured under the weak flashlight glow, honed by countless hours of medical training.
Thea watched him work the way she watched a lab tech at a critical run: hands efficient, decisions immediate.
He cut away Falcon’s singed outer layer, exposed the limb, and checked distal pulses.
“Pulse intact. We set here. We don’t haul him with the humeral head displaced. ”
She wanted so urgently to narrate everything he did, to annotate his technique: observe blanching versus white eschar, protect the airway first, estimate TBSA.
The facts rose in her as naturally as breathing.
But there is a social cost to constant annotation.
Her mouth closed. She kept the calculus to herself and let Wyatt work.
Around them, the world had become a kiln. Reef was wiping a smear of ash from his forearm, swearing softly as he inspected a flash burn where the steam had licked his skin clean. Picasso and Hurricane stood back-to-back, rifles leveled at the shifting mist.
“Status?” Picasso barked.
“Boiling,” Hurricane answered. “The ground’s turning into a soup. We needed to be off this rib five minutes ago.”
Wyatt’s jaw set. “We do it in three. Doc, watch the pulse-ox. Call me if the rate drops.”
Thea dropped to her knees in the vibrating ash, grit sliding into her palms. She cradled the small monitor until its faint red glow steadied her. “One-forty-five,” she said, her breath surprisingly even. “One-fifty. He’s guarding the joint.”
“Grizzly, counter-traction. Now!” Wyatt snapped.
Grizzly braced himself, his massive frame creating a physical wall between the team and the venting fissure.
Wyatt pulled with a practiced, brutal force.
There was a bone-deep thunk that Thea felt in her own molars as the bone slipped home.
Falcon’s exhale ripped out of him like wind from a bellows.
Wyatt moved instantly, his hands a blur of vital choreography: bandages, a cravat to immobilize the limb, an analgesic strip. Ash drifted like slow, gray snow, settling on Falcon’s sweat-slick skin.
Thea looked at the others, her eyes cataloging the cost: a flash burn on Reef’s forearm, superficial sloughing on Hurricane’s calf, a singe along Picasso’s jawline.
Data point: Had we stayed in that pocket of steam for another two minutes, the tissue involvement would have deepened by thirty percent. Cooling windows are closing.
Wyatt slammed his kit closed and looked up. “Sling and swath secure. He’s mobile. One-armed, but he can move.”
Ben turned to Thea, his massive hands reaching out as if to scoop her up and shield her from the precarious terrain.
Thea stepped back, her boots crunching firmly into the vibrating ash. “I’m walking, Ben.”
“Thea, the ground is—”
“I need to feel the vibration,” she interrupted, her voice thin but absolute. “If I’m off the ground, I can’t tell you where the hollows are. I’m the navigator, remember? You’re the armor. So, stay close, but let me lead.”
Ben searched her face, seeing the fierce, quiet determination that had once saved a robin. He nodded and stepped in right behind her, his hand settling gently on the middle of her back, not to carry her but to serve as the steady wall she needed behind her.
“Lead us home, Thea,” he whispered.
Thea looked at the ridgeline. She let herself do one calculation aloud, because numbers sometimes save lives and sometimes heal misplaced pride.
“That vent erupts fully about two and a half minutes after we clear that rib. If we clear it now, we make the cave. We need to move fast. Stay windward of the ash. Move.”
The team didn’t argue. They followed the slender, confident figure of the doctor as she picked a path through fire and stone, her feet reading the mountain’s conversation before it could turn into a scream.
When the secondary tremor sent a cascade of shale down the route they’d just escaped, Thea felt a small, private vertigo: gratitude wrapped in guilt.
Gratitude that their timing had spared them; guilt that their data had to be translated into flesh and pain.
They reached the mouth of the cave together. Picasso took point at the threshold. “Ranch Lead, Atlantic One. We’re in the sink. Falcon: stabilized. Doc and team intact. Holding for the secondary wave.”
The cave was cool, a sanctuary of stable stone.
Ben eased Thea down against the wall, his fingers lingering a moment to steady her before he knelt beside her.
He took her raw, granite-dust coated, trembling hands gently in his own, his calloused palms rough but steady.
Slowly, her shaking fingers curled into a fragile calm.
She didn’t meet his eyes at first, staring instead at the uneven floor, as if grounding herself.
“You’re doing it again,” Ben whispered, his voice soft, edged with both awe and something like disbelief.
“Doing what?” she asked, her voice barely above a breath, fragile yet searching.
“Saving us,” he said, a small, bittersweet smile tugging at the corner of his mouth. “Fourteen years ago it was a robin. Tonight it’s a SEAL team.”
Thea let a tiny, private smile slip, and then felt the old reflex to add a data point, to translate the gratitude into numbers and make it safe. She stopped herself, cheeks warming with a human flush she hadn’t felt in hours.
Data point: I am no longer prey.
“Benji, I want to go home,” she whispered.
“Soon,” he promised, cupping the back of her head. “But first, we have to show the world what’s on that drive.”