Chapter 8 — Golden

  She didn't wait for the Siren to finish her boast. She didn't give her a second to blink.

  Celeste struck first. She launched herself with a violence that sent a sonic crack through the clearing, her tail snapping so hard the displacement of water flattened the silt for yards around them. The way she moved surprised even her. A few hours ago, she’d been fumbling with this body like a set of broken stilts; now, the tail felt like it had been part of her all along. She was a lavender blur, closing the gap before the Siren could even widen her golden eyes.

  The impact was sickeningly solid. Celeste drove her entire weight into the creature's chest. The two of them plowed into the trench floor, carving a jagged furrow through the ancient sediment. The pressure of the collision sent a jolt of pain up Celeste’s arm, but she barely felt it through the roar of the Core in her ears.

  "I told you," Celeste’s voice was a tectonic grate, vibrating through the Siren’s very ribs, "to get the fuck off him."

  The Siren shrieked, though it wasn’t a scream of pain, but a high-frequency blast that hit Celeste like a physical blow to the head. Her vision sparked with white spots, and for a second, her grip loosened. The silver creature seized the opening, her claws raking across Celeste’s face and tearing into her cheek.

  The pain was cold and sharp. Celeste felt the dark, thick fluid of her own blood bloom into the water, a warm cloud that smelled of burnt salt and ozone. But the hunger she’d felt earlier? The one that had been gnawing at her? It vanished, replaced by a cold, surgical focus.

  The Siren scrambled, her silver camouflage flickering like a dying television screen as she tried to regain her footing in the shifting silt. She lashed out with her tail, a heavy, whipping motion that caught Celeste in the ribs and sent her spinning into the dark. Celeste hit a coral spire hard, the jagged glass edges tearing at her scales. She gasped, but there was no air, only the heavy, metallic taste of the trench.

  Rowan was huddled by the pillar, his eyes darting frantically between them. He looked less like he was watching a savior and more like he was watching two monsters collide. He was still holding that shard of obsidian, his knuckles white, his bare feet digging into the muck as if he could merge with the rock.

  "Celeste!" he shouted. "Watch out!"

  The Siren was already coming for her. She glided forward, her body coiling into a tight, lethal spring. She met Celeste’s second charge with a snarl of her own, her face losing its "pretty" mask and shifting into something skeletal and raw. And it scared her for a second.

  They locked together in the center of the clearing, their arms straining against one another in a brutal test of strength. The Siren was older, her muscles tempered by centuries of living under this crushing weight, but Celeste had that fucking 100% charge of the Core. The gold light began to bleed from Celeste’s pores, turning the water around them into a shimmering, electrified soup.

  “You fight... for a morsel?” the Siren hissed, her face inches from Celeste’s. Her breath smelled of ancient salt and rot. It made her stomach churn and face crumble with disgust. “You waste the pulse... on him?”

  “He’s not a morsel,” Celeste ground out.

  She felt a new sensation, a heavy, rhythmic door opening in her chest. The gold energy flowed into her hands, vibrating at a frequency so high it made the water start to hiss and boil around her palms. It wasn't just heat; it was pressure. Pure, unadulterated kinetic force.

  [NEW SKILL UNLOCKED: KINETIC BURST]

  Celeste released the built-up pressure in her arms all at once. It wasn't a punch; it was a physical displacement of the ocean itself. The water between their chests disintegrated into a shockwave of gold light, creating a localized vacuum for a micro-second before the entire weight of the trench collapsed back inward to fill the void.

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  The Siren’s eyes went wide as the force hit her, her ribs caving inward with a sickening crack. She was launched backward with such velocity that she vanished into the grey silt. A split second later, she slammed into a massive obsidian spire forty feet away.

  The impact was cataclysmic. A massive pressure wave rippled outward, hitting Celeste like a physical wall and tossing Rowan off his feet. He was swept backward, flailing as the current from the blast sent him tumbling through the water. The obsidian spire shattered. A deep, crystalline groan echoed through the trench as shards of black glass showered down like rain, and a secondary cloud of fine, suffocating silt erupted from the impact site, plunging the clearing into a blinding, grey blackout.

  Celeste hung in the water, gasping into the void. Her body felt like it was being re-forged on an anvil. Every nerve ending was screaming, a high-voltage current leaping across her synapses.

  [LEVEL UP: 3 -> 12]

  [CRITICAL THRESHOLD REACHED: 12 -> 15]

  [Attribute points assigned to RESONANCE and STRENGTH.]

  The jumps were too fast. She could feel her bones knitting together, her muscles thickening and becoming denser to accommodate the massive spike in her stats. It was an agonizing, wet sound, the sound of her body evolving in real-time. She felt the hunger roar back, a hollow, ravenous pit in her stomach that demanded fuel for the transformation.

  "Rowan?" she tried to call out, but the silt was so thick she couldn't see her own hands.

  She used her new sense of resonance, feeling the vibrations in the water. She could hear the Siren’s ragged, wet breathing forty feet away, and then the faster frantic thrum of Rowan’s heart.

  She surged through the silt cloud, her tail cutting through the muck with a power that felt terrifyingly effortless. She found him near the base of a coral pillar, his chest heaving in violent, silent spasms as he struggled to clear the pressure from his bruised lungs. He was clutching his ribs, his face contorted in a desperate attempt to stabilise his breathing in the heavy, pressurised soup of the trench.

  The silt began to settle, revealing the carnage. The Siren slumped at the base of the shattered spire, her silver sheen gone, her body a bruised, battered grey. She tried to lift her head, but her movements were sluggish, her eyes leaking dark, shimmering fluid. She looked at Celeste with a new expression. It was genuine fear.

  Celeste turned her gaze back to Rowan. He was staring at her, his back against the cavern wall. He looked at the gold light still dancing on her fingers, then up at her face. He saw the way she’d just handled a predator that had nearly killed them both, and the sheer scale of the power was clearly sinking in.

  “Celeste?” he whispered.

  She wanted to answer, but her throat was still locked in that Siren frequency. She took a slow, deliberate breath, trying to force her vocal cords to relax, to find the human shape of his name.

  “Rowan,” she finally managed. It was still raspy, still heavy with the weight of the water, but it was English.

  She drifted toward him, but as she got closer, she saw him flinch, hopefully not out of fear, but out of a sheer, instinctive reaction to the power vibrating off her. She was glowing like a miniature sun in the middle of a dark tomb.

  “I’ve got you,” she said, her voice steadier now. “I’ve got you. We’re going. We’re getting the fuck out of here.”

  She reached out to grab his arm, but stopped herself when he pulled away. Her hand was still buzzing with that kinetic energy, a live wire that could snap at any second. She looked at her claws— pale, sharp, and caked in silver blood—and then at his bare, pale, very breakable skin.

  Rowan looked at her hand, then up at her eyes with a thousand questions in his gaze. He didn't pull away this time. He took a shaky breath and reached out, his fingers brushing against the side of her glowing palm.

  “Your hands,” he breathed, his voice full of a strange, terrified awe. “they’re burning.”

  “It’s the Core,” she lied, or maybe she wasn't lying. She didn't know where she ended and the machine began anymore. “We need to get to the ridges. This thing isn't dead, and I don't want to be here when she calls her friends for help.”

  A violent, liquid spasm racked the Siren’s frame, sending a jet of dark, silver ichor from her gill slits. From across the clearing, her golden eyes watched them with a hateful, dying light. Celeste didn't give her another look. She wrapped her arm carefully around Rowan’s waist, avoiding her claws, and coiled her lower half and snapped her tail down in one violent, fluid motion.

  But as they rose, Celeste realised the hunger in her stomach hadn't gone away with the fight. If anything, the kinetic burst had emptied her out. She was stronger, faster, and more dangerous than she’d ever been, and she was absolutely starving.