The passage narrowed long before it warned her.

  It wasn’t a proper tunnel, more like a jagged crawlspace torn open by some long-forgotten quake, all twisted edges and awkward dips.

  Writ had to contort her body to slip through the tightest bend, scraping a shoulder against stone. Her breath caught once, caught again, until finally the rock opened around her, slow and grudging.

  She straightened.

  And blinked.

  They had arrived.

  The cavern was massive. Larger even than the bronze vault they’d uncovered days ago.

  Faint bioluminescence bled down from patches on the stone ceiling like gentle starlight, casting everything in a muted blue glow. It pooled over slick walls and uneven ground, and brushed across a wide river that cut through the lower half of the space, winding near the cavern’s base.

  The river echoed through the tunnels, where the sound had built to a roar, amplified by the stone, sharper than the stream itself truly was.

  The tunnel gave way to open space, an uneven cliff ledge sloping down into murk.

  The air here shifted. Damp, cooler than before. With it came the smell. Earthy, metallic, and faintly wrong, like rust buried under moss.

  Her gaze shifted to the river. Louder now, urgent, alive. She followed it with her eyes as it rushed toward a low archway on the far side of the cave, vanishing beyond.

  Her boots scuffed against stone as she stepped forward, gaze locked on the river.

  He really thought this was an escape?

  She narrowed her eyes.

  The current snapped around rocks, fierce and unrepentant. There was no telling how deep it ran. Or how far it twisted. Or how long until it dipped again underground and buried them in darkness.

  Unless... Unless he already knew. Knew the river’s path. Knew this chamber existed. Knew what she didn’t.

  Or worse. Unless he had an exit planned that didn’t include her.

  Behind her, she felt his presence shift. Still in his own barrier bubble, still keeping pace several steps behind. Watching, as always.

  She refused to turn.

  Instead, her attention snagged on a patch just off the riverside. A soft cluster of glowing flowers. They pulsed faintly, like fireflies caught mid-exhale. Breathing. Alive.

  She didn’t trust them.

  They bloomed across the river, just beyond the lower ledge, nestled close to the opposite bank where the ground dipped and flattened. The only visible path down was a narrow descent. Stone steps carved unevenly into the rock, likely by time or quake, slick with moisture and laced with moss.

  A single misstep could send her tumbling.

  She sucked in a breath, eyes flicking from the flowers, to the river, to the treacherous path down.

  Of course. Of course it wouldn’t be easy.

  She didn’t trust the glow. Didn’t trust the way the stone led her down. And she definitely didn’t trust him.

  But thirst was burning again at the back of her throat. A sharp, persistent sting, reminding her she hadn’t drunk anything since after they passed the truth door.

  She crouched by the edge of the river, carefully. The stones were slick, too easy to lose footing on. She let her hands dip into the current first, fingers brushing cold water that raced like it had somewhere to be.

  Dust slipped off her skin. The sensation was jarring, almost cleansing.

  She hesitated.

  Then fought the current, cupping her hands and pulling the water toward her lips.

  She hated it.

  Hated that she didn’t have her purification slips, scattered gods-knew-where in the webbed corridor. Hated that she couldn’t be sure this wasn’t a trap too.

  But she drank.

  The first swallow stung. Sharp and scratchy, her throat rebelling after so much silence. Like dried paper folding too fast.

  But the next? The next sank deep. Cool, light. A relief that spread down her spine and let her shoulders relax without permission.

  She drank again.

  As much as she could manage. More than she meant to.

  When she looked up, she caught Kion watching her, eyes tight with concern, like he expected her to collapse.

  She turned away again.

  Only now did she fully take in the cave. The solidness of the ground under her boots, the stability of the walls. There were no cracks. No tremors. The air, while tainted, wasn’t heavy enough to choke.

  She exhaled.

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  And then she raised her hand.

  Her fingers curled inward.

  Mana stirred across her skin, subtle, but ready to breach the shell that caged her.

  Kion reacted immediately.

  “Wait! wait!” he said, hands raised in the universal oh-no-please-don’t gesture, “yes, I remember. I said you could test it down here. I meant that.”

  He took a slow breath, less frantic now but no less tense, “I know I’m probably already failing your trust test, and this looks bad. But instead of you forcing it down... I’ll just let you out.”

  A pause. Then...

  A shimmer.

  The barrier pulsed once, light brushing against her, and then moved. Not with urgency. Not with a warning.

  It simply slid aside.

  Released her.

  “I can’t make another one with less toxined air if it snaps,” Kion added softly, “and I’m not letting you be exposed if you suddenly change your mind.”

  He stepped back. Not crowding her, not blocking her path. Just there.

  She didn’t expect him to drop it.

  Not like that. Not that easily.

  No struggle. No delay. No hidden conditions. He didn’t wait for her to flinch or force him. He didn’t make her earn it.

  He just... let her go.

  And that should’ve felt like a win.

  Should’ve.

  But the moment the barrier slipped away, smooth as silk, she felt it.

  Not a gust. Not pain. Not even a flicker of warning.

  Just the faintest drag beneath her skin. Like static stretching across her ribs. A wrongness tucked between inhale and exhale.

  Her mana resisted. Not much, just enough to be noticed. And for someone with a mana pool as shallow as hers, even that faint recoil meant something. Like the air itself didn’t want her there.

  She stepped forward.

  The sensation pulsed again. Sickly. Slight.

  This wasn’t in her head.

  And it wasn’t Kion.

  The barrier had been shielding her.

  This was the air. The environment. The slow, invisible creep of something that didn’t want her whole.

  Her fingers curled tighter.

  Realization sliced her like a truth she hadn’t braced for.

  How many times had she flinched at shadows he didn’t throw? How many protections had she rejected simply because they came from him?

  She grit her teeth.

  No, she wouldn’t apologize.

  Couldn’t.

  But she wouldn’t break his barrier next time, either. The thought didn’t taste like surrender, just survival.

  Her gaze flicked to the river, still churning, still hiding what it didn’t want seen.

  Then to Kion. The shimmer caught her eye. He looked back, quiet, waiting, asking.

  That doesn’t mean I’ll willingly drown with him.

  Let him play guardian. Let him think that changed anything. She still had her own exit to find.

  She straightened and moved. No longer frozen in suspicion. No longer waiting to be betrayed.

  Searching.

  Watching the cave walls. Listening to the way her boots struck the floor. Feeling for grooves, softened stone, sigils, or seals tucked into old rock. Even if it meant doubling back. Even if there was no other way.

  Even if the only way forward was through his river.

  By now, Kion had crossed it.

  He hadn’t flown far, just enough to place himself between her and the glowing patch of flowers, a living fence between two worlds. A silent line she wasn’t meant to cross.

  He didn’t close the distance. Stayed across, near the bloom patch, where she might wander, if her resolve cracked. Just far enough to intercept. To stop her, if she tried.

  But his eyes stayed on her. Steady, calm, unreadable.

  As if to say, 'I know you might want to cross. But please... don’t.'

  She’d expected questions. A warning. Maybe even a leash. Confinement.

  But he only watched, offering silence instead.

  His second shield still hovered near, trailing after her like a quiet offer she hadn’t taken.

  Not yet.

  But maybe, just maybe... not rejected either.

  She hadn’t even mapped half the upper ledge when her fingers began to tremble.

  At first, she thought it was fatigue. The kind that creeps in after hours of hyperfocus, after pushing her attention too taut.

  But the way her hand slipped slightly when she reached for the next groove, how her magic fizzled, not out of exhaustion but from something else, told a different story.

  The miasma didn’t feel like danger.

  That was the worst part.

  It didn’t scream, didn’t twist her instincts into warning. It didn’t even smell wrong. Just a faint hum, a slight pull. A haze that slipped in beneath her skin without resistance, until it was too late.

  Focus turned slippery.

  Her breath hitched. She closed her eyes, trying to ground herself, but her thoughts were already tangling. Scattering before she could string them together again.

  And then she stumbled.

  Just slightly. Barely more than a hitch in her step.

  But enough.

  Her hand hit the wall. Not to analyze, not to study. Just to stay upright. To hold something solid while the ground felt like it was shifting beneath her bones.

  And under her palm, the wall no longer tolerated her. Not like before, when it merely held its breath and let her pass.

  Now it bristled. The resistance thickened, no longer passive. The cave wasn’t just unwelcome. It was warning her. Pushing back. As if the stone itself might swallow her whole if she dared press deeper.

  Deep in her ribcage, where mana should’ve pooled steady, she found only threads. Thin, frayed, slipping through her every breath.

  She’d made a mistake.

  A grave, idiotic mistake.

  And she knew it.

  Felt the curse coil on her tongue for letting fear and pride dictate her movements. For stepping outside the barrier just to prove she could. For chasing distance from him instead of keeping close to safety.

  The barrier was still there. She could see it.

  A shimmer in the air just a stone’s throw away.

  Close.

  Too close.

  Too far.

  Her vision swam for a breath too long. The sick hum in the air no longer backgrounded. It threaded through her spine, thick and low, dragging pressure with each heartbeat.

  She took a step forward, reaching. Not for the barrier, not quite, but for balance. Trying to keep her footing, to keep her pride.

  And then warmth caught her.

  A familiar shimmer. A quiet pulse like a breath held between ribs.

  The barrier.

  It slid into place around her again. Not tight, not rushed. Just there. Like he’d been waiting. Like he’d seen it coming before she would ever admit it.

  She exhaled. For the first time in minutes, she could breathe.

  He said nothing.

  No smug words. No I-told-you-so.

  Just that protective shimmer wrapping over her skin like a second breath. A quiet net catching what she hadn’t let herself admit was falling.

  The sick pressure dulled, no longer pressing against her bones. Her hands stopped shaking. Not completely, but enough.

  She turned, and he was already there. Hovering just above the river, wings soft against the lowlight. He’d crossed again without hesitation, without comment.

  Keeping watch. Just enough distance to not make it feel like a scold.

  “You don’t have to like it,” Kion said gently, “but I’m not letting this place gnaw at you.”

  He landed. Quiet, careful, but unwavering.

  “You’re strong enough to get through this,” he continued, tone steady, “but that doesn’t mean you should have to suffer the damage first. Just rest. Sit. Lay down if you need to. You can scold me later.”

  She looked at him.

  Still unsure why he went this far. Why he kept doing this.

  Why he cared.

  Kion met her gaze with that same unwavering calm. And then, softer, like a breath unraveling from a knot.

  “Please.”

  She wanted to argue. To move. To pretend she didn’t need the rest. But her body betrayed her first, and for once, she didn’t fight it.

  Her knees gave first.

  Not from weakness, but because the part of her that kept standing out of defiance finally... gave permission.

  She sat down.

  Not elegant. Not composed. Just a quiet collapse onto solid ground.

  And the look on his face... he didn’t smile, not fully. But something in his expression brightened.

  Like a burden unspoken had lifted just slightly. Like she’d said something he needed to hear, even without words.

  She let the silence linger.

  And she wouldn’t thank him, not aloud.

  But some part of her noted the silence he gave her.

  And kept it close.