“Did you find something you weren’t supposed to?” The words hung in the shimmering air of the chamber, cutting through the silence like a snapped clockwork spring. Kaisa’s fingers tightened instinctively around the bellflower, the faint pulse of light in her palm a defiance. She met Eleni’s gaze, a shield of cheeky bravado already snapping into place. “Just a memory, Mistress,” Kaisa replied, her voice a little too breezy. “From the world I left behind.” She relaxed her knuckles just enough to expose the wilted violet petals, keeping the faint glow hidden. Eleni’s eyes lingered on the flower for a beat too long, a flicker of something unreadable in their depths before her serene expression reasserted itself. “Ah, nostalgia,” Eleni murmured, her tone softening to a familiar, gentle hum. “A powerful thing. But Aquoria holds its own wonders, child. Come.” Kaisa followed, a prickle of unease trailing her. Eleni’s kindness felt less like comfort and more like a silken net. As they stepped out of the private chamber, the true scale of Aquoria unfolded before her. They entered a vast, cylindrical corridor of polished obsidian, walls alive with rivulets of luminescent algae that cast a soft, emerald glow. Gears the size of millstones turned silently within transparent casings overhead, their brass teeth meshing with intricate precision, driving unseen mechanisms. Suspended above, massive, crystalline spheres pulsed with internal light, casting dancing patterns on the floor like schools of spectral fish. “The Central Atrium,” Eleni announced, her voice echoing faintly. “The heart of our city’s transit network.” Kaisa could only stare. Gondolas shaped like river stones glided along elevated tracks of spun light, ferrying citizens with pale skin between glass-domed districts. Brynnland felt impossibly distant, shut behind fathoms of cold saltwater. They boarded a gondola that moved with a nearly imperceptible hum. Through its transparent floor, Kaisa saw terraces of luminous flora sprawling beneath. Broad fronds dipped beneath droplets of phosphor. Trees with bark like polished amethyst bore fruit that gleamed softly, though the branches remained motionless, their vigor strangely suppressed. “We are heading to the Core Conservatory,” Eleni explained, gesturing toward a central dome that pulsed with a faint rhythm. “It is the primary nexus for our life energy. Lord Kaelan will meet us there.” Kaisa rubbed the stiff fabric of her sleeve, wondering what he intended to extract from her and what being the ‘Heartbloom’ truly demanded. The conservatory was a vault of living light contained within the largest dome in the complex. Thick roots wound through the structural ribs, coursing with soft current. Damp air smelled of rich loam and unfamiliar blossoms, though the foliage hung still, its illumination muted. Lord Kaelan stood in the center, a stark silhouette against the backdrop of the luminous flora. He wore a tunic of dark, woven fabric, his scarred face unreadable. His gaze, sharp and assessing, fixed on Kaisa the moment she stepped off the gondola. Eleni bowed deeply, then melted discreetly into the background. “Jori,” Kaelan’s voice was a low rumble, devoid of inflection. “You will demonstrate your capacity. The city requires stabilization. The power grid has been… inconsistent.” He gestured to the broad terraces around them. “Connect to the nexus. Awaken it.” Kaisa’s chin lifted. “And if I refuse?” Kaelan’s expression hardened. “Your brother’s treatment is contingent on your cooperation. Do not test my patience, Jori.” The thought of Timo, pale and burning with fever, silenced her retort. Kaisa shut her eyes and focused on the bruised bellflower in her grasp, drawing on the warmth at its core. She projected that spark outward into the quiet mass of roots. The air yielded like water yielding to a diver, followed by an echoing hum beneath her boots. Then, the world exploded in light. Not harsh, but brilliant, vital. From the moss carpets to the canopy, the leaves ignited with golden luminescence. Filaments of sap flared bright through translucent stems. The smell of ozone mixed with bruised leaves as a chorus of glass-toned chimes rang through the chamber, making Kaisa tremble from the sheer physical pull of the discharge. On the massive display screens that lined the upper dome, Kaisa saw intricate diagrams of the city’s power grid. Lines that had flickered erratically now glowed with steady, unwavering strength. The whole system seemed to steady at once. As quickly as it began, it receded. The flare settled into an even gleam across the boughs. Kaisa swayed, her knees shaking under a sudden, deep fatigue. Her strength had been drawn dry, leaving her hollowed out, reduced to a wire in his grand machine. Kaelan watched her, his expression still unreadable. “Adequate,” he finally said, his voice flat. He turned and strode away without another word, leaving Kaisa steadying herself against a railing amid the radiant foliage. Eleni reappeared at her side, her hand resting gently on Kaisa’s arm. “You did wonderfully, child. Truly remarkable.” Her voice was soothing, but Kaisa felt only a chilling detachment beneath the warmth. “Perhaps a period of tending the smaller groves will help you acclimate. Lord Kaelan understands this is… a transition.” Days blurred into a routine of forced rest and plant care. Kaisa retreated to an out-of-the-way nook of luminescent moss and pale ferns. Trimming dead shoots and loosening damp soil gave her fingers something familiar to do. One afternoon, while tracing the intricate vascular patterns on a colossal, light-emitting tree, Kaisa noticed a faint current of cooler air. Following the draft, she traced a seam in the root-tangled bulkhead. A service hatch, disguised by woven bark, shifted beneath her palms. She pushed, and the grate slid back with a hiss into an unlit utility crawlspace. It smelled of damp rock and ozone. Crouching, Kaisa peered into the gloom, a sudden, inexplicable urge to explore pulling her forward. She slipped inside, the panel closing quietly behind her. Her palms pressed against cold brass plating, using the dim light from the opening to pick her way along. Ahead, she heard voices. Low, hushed, the rumble of men’s speech. She crept closer, pressing herself against a cool, metallic pipe, straining to listen. “...the fluctuations are getting worse, Aren. Three major power dips this cycle alone. The ‘Heartbloom’ barely stabilised us this morning.” “I know, Jorin. It’s the sheer demand. We’re pushing the core beyond its designed capacity. And with the surface blight growing…” “The Drowned Prince’s folly, I tell you,” the first voice, Aren, grumbled. “He always pushed too far, too fast. His father warned him. Said he was going to crack the foundations of this city.” “His father built the foundations, Aren. And the emergency cutoff. Let’s hope we never have to trip it.” Emergency cutoff? Kaisa stayed motionless. Who was the ‘Drowned Prince’? A low, metallic groan tore through the shaft, rattling the floor plates. A screech of tortured glass followed. Kaisa scrambled backward, peering through a ventilation slit into the atrium. The overhead dome was buckling under the weight of the sea. A hairline fracture appeared high above, jagged against the black water beyond. Jorin shouted an alarm as workers on the nursery floor scrambled for the airlocks. Self-repair mechanisms, dormant until now, ignited with a furious hiss. Golden-green light pulsed along the crack, liquid crystalline substances flowing outwards, knitting the fissure back together with desperate speed. But for a terrifying few seconds, the very ocean had threatened to reclaim them all. The screech subsided, leaving only a shimmering seam where the glass had fused shut. Kaisa leaned against the metal casing, chest heaving. The sunken city was only a thin pane away from ruin, held together by sheer strain. And Kaelan’s father had installed an emergency cutoff. What was it built to sacrifice?

Whispers in the Glass