The door clicked shut behind the last student, their footsteps fading into the stone corridor beyond. And just like that, the dungeons fell quiet again.
Not empty. Just… still.
Ivy exhaled long and slow, rolling the tension from her shoulders as she surveyed the aftermath — scattered bits of monkshood, a few overturned vials, a cauldron that had clearly been too hot and too full. Nothing catastrophic. Nothing unfixable.
She moved through the room with practiced ease, wand flicking in tidy, efficient motions as she vanished residue, righted chairs, restored her space to something close to order. A rhythm she'd learned to trust. The calm after the storm.
From the frame beside her cauldron, Severus was still there.
He hadn't vanished the moment class ended. Hadn't dismissed himself like some ghostly guest overstaying his welcome. He simply watched. Quietly. His arms were no longer crossed; one hand now rested at his chin, thoughtful.
As she waved away the last of the stray rosemary, he finally spoke.
"You command the room well."
It wasn't quite a compliment. But from him, it was.
"You didn't coddle them. You didn't let them stumble into disaster, either." His eyes followed her across the room. "You teach as though you expect them to rise to your level."
A beat.
"They won't. Most of them. But that doesn't mean you should stop."
He glanced to the cauldron, now clean and still. "And your own brew—the balance was precise. Slightly unconventional, but effective."
Then, softer: "I see now why you wanted me to watch."
His eyes found hers again, sharp and unyielding. "You are not afraid of my opinion."
She leaned back against her desk at the end of the lesson, the last bubbling cauldron extinguished, the scent of wormwood and mint lingering faintly in the air.
"I wanted you to watch," she said quietly, voice echoing just slightly in the high, cool space. "Because I wanted you to see that I carried on your legacy."
She didn't flinch as she said it. Her eyes stayed steady on his.
"That even if my methods are a bit softer, my tone less sharp… the core of it—the discipline, the rigor, the respect for this art—it's still here."
She pushed off the desk with her hip and moved a little closer, until she was standing just beside the second portrait he overlooked the classroom from. Her hand brushed the edge of it briefly, fingertips dragging across the carved wood of the frame.
"I changed things, yes. I brought in music, light, green things that remind them there's life outside these walls," she said, almost smiling to herself. "But I still demand excellence. I don't hand out praise like sweets. They earn it. And they know that."
Her voice softened, a confession wrapped in reverence. "They'll never fear me the way they feared you. But I think… they'll remember me the way I remembered you. As someone who knew what this subject was worth."
She stepped back again and looked up at him, eyes brighter than they'd been when the lesson started.
"I didn't want to replace you," she murmured. "I wanted to honor you."
His expression didn't shift immediately. He just looked at her.
"You believe I had a legacy worth carrying," he said finally. Not with bitterness. Not with pride. Just quiet, blunt observation. "Most would have left my name out of the curriculum entirely, if they could have."
He stepped forward in the frame, until his full figure was visible, hands clasped behind his back. He looked almost younger in that moment, less like the war-hardened professor she remembered, and more like the version buried beneath all the armor — the one that barely anyone ever saw.
"You're right," he said after a pause. "Our methods differ. I lacked patience. You wield it like a scalpel."
His gaze swept the room — the warm lighting, the subtle hum of music that still played faintly in the background, the soft vines curling along the edges of the bookcases. His bookcases.
"But the intention… yes. I see it. You see them. And more importantly… you let them see you."
He stepped back slightly, then added, "They will remember you. Not for fear, but for how you made them think. That, Miss Wilde… is a legacy."
A pause.
Then, with a voice like a low ember:
"I would have liked to teach beside you."
His last sentence made her heart stutter.
It wasn't much—just a few spare words, likely spoken without intention to wound or stir—but they hit her like a pulse of magic. Sudden, silent, and deep.
She froze for just a beat, her breath caught in her throat, eyes locked onto the portrait with something unreadable flickering in their depths. A memory. A weight. A quiet ache she hadn't known she'd been carrying.
Then, slowly, she softened. Her lips curved into the kind of smile she didn't offer often—one not for students, or colleagues, or even friends. A private kind of smile, shaped by recognition and the sharp edge of history.
"This is as close as we can probably get," she said quietly, her voice steady, though it held a tremor of something more vulnerable underneath. "To teaching together."
She glanced down for a moment, brushing imaginary dust off the corner of her desk, before looking back up again.
"But I suppose we already have, in a way." Her fingers gestured vaguely to the classroom, the shelves lined with carefully labeled jars, the cauldrons still faintly warm, the notes pinned to the board in her slanted, hurried script. "Learning from you for most of my education is why I'm here."
She exhaled, the confession unfurling slowly, honestly.
"My movements followed you first."
It came out quieter than she intended, but true all the same.
The way she stood behind her cauldron. The way she watched the students when they thought they weren't being watched. The way she demanded more from them because she believed they were capable of it, even when they didn't. All of it—every sharp expectation wrapped in care, every precise wand movement, every silent correction—began with him.
Not mimicry.
Inheritance.
"I just hope," she added after a moment, voice barely above a whisper, "that what I've built from what you taught me is something you'd be proud of."
She didn't ask for approval. She never had. But there it was, quiet and raw, wrapped in the subtext of her words.
His eyes lingered on her, darker and more searching now — the way one might look at something unexpected, unclaimed, and undeniably real.
He didn't smirk. Didn't look away. Just watched her, letting the words settle between them like a potion cooling in its final phase — no longer boiling, just potent.
"You say that," he said, quietly, "as if you weren't always going to end up here. As if you didn't already have the mind for it long before I ever corrected your wand grip or scrawled 'adequate but lazy conclusion' in the margin of your third-year essay."
There was a faint flicker at the edge of his mouth then, the barest hint of sardonic amusement. "I remember the essay, incidentally. You rewrote it. Ten pages longer. Just to prove a point."
A pause.
"You always did know how to make yourself heard — even when you didn't speak."
He looked around the room again, but this time it was slower, more deliberate. His eyes traced the lives growing in the corners, the golden light through the old glass, the careful order paired with subtle rebellion. And then, finally, he looked back at her.
"I never thought I'd have a second chance to be… useful," he said. "Much less to someone who knew what I was. Who chose to keep the worst of me in the room and still find something worth sharing it with."
His voice dropped low, dry and rough-edged but somehow warmer than she'd ever heard it.
"You've done more than carry it on. You've made it better."
He stood there in silence after that, as if unsure whether to retreat back into the frame or stay. For once, Severus Snape seemed suspended — like this was not just a moment, but a turning point.
And he wasn't ready to turn away from it just yet.
Her eyes shimmered—unmistakably, irreversibly—with something new. Not tears exactly, though they sat at the edges, waiting. But something deeper. Like recognition. Like long-held grief finally being seen.
Her throat tightened, her breath caught on the weight of everything she hadn't said, everything she'd never thought she'd get to say. She cleared it softly, trying to gather herself, trying to remain composed. But her voice still broke at the edges as she spoke.
"Thank you, Severus."
Her tone was raw with sincerity. "I can't tell you what it means to me… to hear you say that."
Her hands, which had been calmly resting on the desk's edge, curled slightly, fingertips pressing into the grain of the wood as if grounding herself to the moment. Her gaze never left his face in the portrait—his still, discerning expression, those ever-watchful eyes that had once terrified her, and now felt like a mirror to her own soul.
"I…" she began again, a breath trembling through her chest, "I grieved you. A lot longer than I even realized."
She let that truth settle between them, more fragile than anything else she'd offered. "After you were gone… it felt like an insurmountable loss. Not just for the world—not just for the Order or the school or the war—but for me."
She shook her head slightly, almost as if to herself, jaw tense. "I trusted you. Even when no one else did. After Dumbledore—when the school was under siege, when everyone whispered in fear and looked to you like you were the enemy…"
Her voice cracked again, the memory pressing into her ribs like a phantom bruise. "When you were Headmaster… I knew you'd protect us. I knew it."
Her lips parted like she meant to say more, but the words caught in her throat. She blinked hard, shoulders rising as she tried to breathe past the emotion—past the years of silence, of admiration unspoken, of mourning buried beneath pride.
"That you were—"
But she couldn't finish the sentence.
Because what followed felt too big. Too sacred.
A hero. A martyr. A father to a legacy no one understood.
Mine.
Her mouth trembled with the weight of it, and in the absence of words, her eyes said the rest.
She looked at him not as a student once afraid of his wrath, or even as a Potions Master stepping into his legacy—but as someone who had carried his name like a talisman. Someone who had mourned him in the quiet hours of the night, when no one else remembered to.
Someone who had waited a decade for a conversation like this.
Something in the lines of his face slackened. Not with weakness, but with a kind of honest quiet. A man unmasked. He didn't look away, didn't retreat. He let her say it.
And when she did, when she stopped just shy of finishing that thought, he answered it for her—softly, but without hesitation.
"Trying."
The word hung there like a truth too long buried.
"I was trying," he repeated, voice low. "To hold the line. To give you all a chance. Even if you didn't know it. Even if it made you hate me."
He stepped closer in the frame again. "But you did know. You saw it. Not just the role. The weight."
He studied her—eyes moving over the grief still half-caught in her throat, the honesty not polished for anyone else's comfort.
"I don't deserve your grief," he said. "But I'm… honored by it."
The pause that followed was heavy, but not uncomfortable. It was full. And real.
Then, quietly: "I didn't think anyone would mourn me after I was gone. I certainly didn't imagine someone like you — fierce, brilliant, impossible — would be standing here years later, offering me something I never expected to receive."
He tilted his head, just slightly.
"Forgiveness."
And even softer, like something private:
"Companionship."
The look he gave her then was not quite gratitude. Not quite longing.
But it was human.
And that was more than he'd been allowed to be in a very long time.
She walked slowly toward the frame, her steps light but deliberate, as though approaching something sacred. Her fingers lifted, brushing along the edge of the wood with a kind of respect—barely a touch, just enough to feel the grooves, the enchantments humming faintly beneath her skin. Her eyes never left his.
Not the painted edges of his robes. Not the dark folds of shadow behind him.
Only him.
The sharp, unreadable depth of his gaze. The knowing curve of his mouth that gave nothing away and yet said everything.
She dropped her hand after a beat, letting it fall to her side as if the contact had lingered a second too long. Her expression flickered—just for a moment—with the weight of memory and longing and the ache of too-late conversations.
"I wish things could have been different..." she said quietly.
Not dramatic. Not mournful. Just honest.
It was a truth as simple and as unfixable as any in her life.
She swallowed hard, something catching in her throat, and then—without another glance—turned away. The clink of glass, the rustle of parchment, the sound of her pulling on her worn brewing gloves all followed in quick succession as she moved toward her cauldron.
Discipline. Focus. Work. She could bury grief in a process better than anyone.
"I wanted to put some of your adjustments to the test," she said, her voice settling back into its usual measured rhythm, the one she used when instructing or thinking aloud. "On what we discussed yesterday. Before dinner."
She laid out her notes again, now annotated with fresh ink, her own handwriting dancing in the margins beside his—side-by-side on the same page at last.
She lit the flame beneath the cauldron, her fingers steady, eyes sharper now.
And yet, as the first tendrils of smoke curled upward, she added, almost absently—almost—
"I like the idea of working with you."
Her voice was softer then, but steady. "Even like this."
She didn't look at him. Not yet.
His eyes followed her hand as it trailed along the edge of the frame, the ghost of touch making the air feel charged — as though her fingertips had stirred the very threads that tethered him there.
"I do too. Wish things were different," he said quietly, and it was the closest he had come yet to something that sounded like sorrow. "But they weren't. And I've no illusions that I would've let anyone close enough to change them."
He watched as she turned away, composed herself, reached for her tools with steady fingers and a scholar's focus. The soft sounds of glass and steel filled the room again — the familiar ritual of preparation, of purpose. And something in him seemed to shift back into that shared rhythm.
"Good," he said, sharper now, but not unkind. It was a return to the language they both spoke best. "I've been thinking about that formulation. If you're going to use lungwort, you'll need to reinforce the binding with red clover in the second phase. Otherwise it won't hold past the first volatile cycle."
He stepped toward the edge of the frame again, closer to where her cauldron simmered gently, as though positioning himself at her shoulder despite the barrier between them.
"You're going to need a steady flame," he added. "And you'll need to stir at exactly thirty-seven seconds after the color shift. Not thirty-five. Not thirty-eight. And if you doubt me, you'll ruin it and I will mock you mercilessly."
There was the faintest edge of amusement in his eyes then, that same dry spark she remembered from when he was alive—when he was in motion, in mastery, in his element.
She laughed—low and unguarded, the sound echoing faintly off the stone walls like something that didn't quite belong in a dungeon, and yet somehow warmed it.
The bubbling in the cauldron pulsed in time with her heartbeat, but for a brief moment, she let herself breathe in the lightness of it—his dry remark, her amused response. It felt natural, like a rhythm they were slowly finding after years of silence.
With a smirk still playing at the corner of her lips, she glanced over her shoulder toward his portrait, one brow raised in mock challenge. "Oh, are you going to criticize my technique from across the room, or simply offer a running commentary?"
Her eyes lingered on his for half a heartbeat longer than necessary—inviting, teasing, just a little too fond—and then she turned back to the cauldron with a purposeful huff through her nose, still smiling to herself.
Without hesitation, she reached up and gathered her hair, fingers swiftly twisting the thick, dark strands into a loose bun at the crown of her head, securing it with a conjured pin. A few strands fell loose around her temples, but she let them. This wasn't about looking polished—it was about work.
Then came the outer robes—unfastened with a flick of her wand and slid off her shoulders with practiced ease. She folded them neatly and set them aside before turning back to her bench, her blouse now the only barrier between her skin and the cool dungeon air.
Her hands moved deftly as she rolled up the sleeves—first the left, then the right—revealing pale forearms faintly marked by old burns and healed cuts, the quiet badges of someone who'd lived her craft, not merely taught it.
She reached for her pestle, grounding the next set of ingredients with firm, steady strokes.
Everything about her now was focused. But there was something else humming beneath the surface—a quiet thrill, an unspoken awareness.
His eyes followed her as she moved—quick, efficient, entirely at ease in her skin. The way her hands pinned her hair up, the way her sleeves slid back to reveal ink-stained forearms, the way her shoulders straightened like she was about to duel the cauldron itself.
He hadn't seen her like this before. Focused. Stripped down to intention.
It suited her.
The simmering brew began to shift — the pale color darkening, thickening into something more temperamental. The second phase approached. Her fingers were already in motion, and he watched it all with a kind of quiet admiration he didn't bother to mask.
"You're confident," he said, just above a murmur. "Not arrogant. Not performative. Certain. Like the potion already belongs to you."
Then, dryly: "It's disturbing, how much I like that."
A flicker of shadow in the edge of the frame might have been movement — pacing, perhaps. A man so long confined now too restless to remain still.
"Proceed. Let's see if your instincts are as sharp as your tongue." A pause, then—softly, and almost fond:
"Impress me."
She felt it.
That old, unmistakable feeling—the prickle at the base of her neck, the way the air itself seemed to tense when he was watching. It hit her like a rush of heat under her skin, though the dungeons were cool and still. Her breath hitched for just a moment before she found it again, steady and measured.
Just like when she was his student.
The intensity of him hadn't dulled with time or death or distance. Not even in portrait. His gaze still had weight—pinpoint sharp and impossible to ignore, a kind of presence that seemed to narrow the world down to only what was in front of them: the potion, the method, the execution. Her.
Her heart beat faster in her chest, a steady thrum she tried to ignore as she leaned over the cauldron, stirring clockwise with exact precision, her eyes trained on the surface. She didn't dare look back at the portrait, not yet. She could feel him there. The silence he occupied wasn't empty—it was evaluative. It was alive.
And it focused her.
Every muscle in her body fell into alignment. Every movement became intentional. She filtered out the rest of the world and honed in on the brew, on the measurements, on the faint shifts in hue and viscosity. When he spoke—sharp, clipped suggestions from the wall behind her—she didn't hesitate.
"Three degrees higher—now."
She adjusted the flame instantly.
"Slow your stirring. Half-speed."
Her hand obeyed without thought.
She moved like an extension of his will—of their shared discipline. No ego. No resistance. Just the purity of the work.
Her jaw was set, eyes narrowed with focus, but there was a faint flush rising along her neck. Not from exertion, but from the awareness of being seen. Truly seen. As an equal, practicing the craft they both revered.
She added the crushed dried kelpie root just as the potion shimmered silver, watching it dissolve with a quiet satisfaction that ran deeper than pride. It felt right.
"I can feel the yield stabilizing," she said, her voice quiet, her tone threaded with something close to wonder. "I think your layering theory is holding."
She didn't look at him.
Not yet.
Because if she did—if she met that familiar, formidable gaze again—she might lose the tightrope balance between admiration and something else. Something deeper. Something dangerous.
So she kept her focus on the potion, heart racing, spine straight.
He could feel it — the way the air changed around her, charged like storm-heavy clouds right before a downpour. That precision, that quiet control of hers, sharpened into something electric under his gaze. It wasn't obedience. It was alignment. The way a skilled duelist doesn't just hear their partner's movement — they feel it in their bones.
"You're about ten seconds early on the next turn," he murmured, and sure enough, she caught the pulse in the potion's surface — a shimmer she might've missed in the moment without him. "Let it breathe. Then fold it in."
She did. Her timing exact.
And he saw it — the flicker of satisfaction that moved across her face, the way her breath slowed as she found the rhythm. The potion responded beautifully.
He watched her like he was starving for the sight. Not of the potion — of her in her element. Of the mind he'd once underestimated, the hands he'd dismissed as quiet, now commanding the space.
"You always had this in you," he said, low, not expecting a reply. "Even when I was too blind—or too bound—to say it."
And then, as she added the final ingredient and the draught turned clear with a faint silver swirl, he stepped closer in the frame, eyes on hers, voice softer but no less intent.
She looked up at him then—finally letting herself meet his gaze, no longer hiding in the sanctuary of her work. Her hands were still, her wand set gently beside the simmering cauldron. The potion pulsed with slow, even swirls of light, but it no longer held her attention.
He did.
"I'm surprised I linger in your memory," she said softly, the words tinged with a kind of curiosity that was too vulnerable to be casual. "I was quiet."
Her voice didn't carry disbelief—just the quiet awe of someone who'd never dared assume they were seen. Not by him. Not when she'd spent most of her school years blending into shadows, speaking only when she had something worth saying.
But she hadn't gone unnoticed, had she?
She tilted her head slightly, searching his expression. There was no mockery in her tone, no false modesty. Just truth. She'd never sought the spotlight. Never raised her hand to impress, never flattered or flinched. She had simply been there—present, disciplined, observant. A girl with ink-stained fingers and a mind like a scalpel. And she'd watched him, too.
"I always assumed I was just another face," she added, almost a whisper now, her lips curving into the faintest smile. "Another cauldron. Another essay."
But her eyes said something else entirely. They held the truth she hadn't voiced back then, wouldn't have dared to. That she had cared. That she had learned not just from his words, but from the way he moved, the way he taught, the way he endured. That he had shaped her in ways he could never have known.
His eyes didn't leave hers.
"You were quiet," he agreed. "But not forgettable."
He said it plainly, without the edge he so often wielded — as though it were just fact, not flattery. His gaze moved over her face, unhurried, like he was reacquainting himself with something he hadn't realized he'd missed.
"You listened more than you spoke. Not because you lacked thoughts, but because you waited until they were worth sharing." He tilted his head slightly. "Most students never learned that distinction."
Then, more quietly:
"You lingered because you weren't loud. You were steady."
A pause.
"Some of us only ever learned to trust the steady ones."
His voice had lost its sharpness now. Not softened—Snape didn't soften—but tempered. Like steel cooled in the forge.
"You didn't flinch from me. Even when it would've been easier. I noticed."
A beat passed. Something flickered in his eyes—something old and worn, maybe even lonely.
This quiet, familiar, ever-unspoken—became their routine.
Every morning, Ivy arrived to the classroom before the sun had crested the hills beyond the Forbidden Forest. The corridors were still hushed, the air cool and damp with the scent of stone and dust. She would set out her ingredients, calibrate the flames, run her hands along the workbenches with that same devout touch.
And he would already be there.
Not always early. Not always at the same time. But without fail, by the time the first students arrived, Severus Snape's portrait was watching from the wall beside her cauldron—his arms crossed, his expression unreadable, save for the smallest tilt of his brow when he approved of her choices or disapproved of her ratios.
Sometimes, they bantered. Dry wit traded across the dungeon like notes passed in a library. Sometimes their conversations were strictly professional—discussing the lesson ahead, comparing techniques, refining her process with the exacting edge of his insight. And sometimes, they said nothing at all.
She didn't need words from him to feel his presence. It was in the way his eyes followed her movements. In the subtle shift of his expression when a student executed a brew with precision. In the faint curl of his lip when she caught a mistake just before disaster struck.
And then there were the evenings.
After dinner, when the halls quieted and the torches dimmed to their night-glow, Ivy would return to her office. Her desk was a nest of parchment—assignments, essays, bubbling ink pots—and the scent of spiced tea always lingered. She'd grade in focused silence, sometimes humming faint melodies under her breath.
And then he would come.
Not through the door, of course. He simply appeared, one moment absent, the next present in the portrait above her bookshelf. Always once she was nearly finished, never earlier, as though to allow her the satisfaction of completing most of it before they spoke.
Sometimes they discussed the day—how the fourth years were progressing, which seventh years were beginning to show true promise. Other nights, they drifted into deeper waters. Alchemical theory. Magical ethics. The politics of the Wizengamot. Once, they spoke for nearly an hour about the symbolic function of death in potioncraft and literature. He'd challenged her on a theory she'd held for years. She'd argued back. He'd nearly smiled.
But more than the conversation, it was the rhythm that changed them. The constancy.
And over time, his portrait began to shift.
What had once been a flat, charcoal-grey background—featureless, empty—began to change. Subtly at first. A faint line here, a vague suggestion of shadow there. But with each passing week, it became more defined. A wall. Then another. A shelf. A window, high and narrow, like the ones in the dungeon corridors, but with a faint gleam of moonlight beyond it. And books. There were always books. They began to populate the shelves behind him as though summoned by the simple act of being remembered, wanted.
It was as though the more time they spent together, the more there he became. The space around him filled in like ink on parchment, line by line, memory by memory.