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Unfamiliar Magic

Summary:

Post-war trauma? Check.
Ministry being shady? Also check.
Questionable life choices? Always.

Harry and Hermione said “absolutely not” to being controlled, emptied the Potter vaults, grabbed Minerva McGonagall on the way out (as one does), and yeeted themselves into another dimension via extremely questionable ancient magic.

Now they’re in Rexxatum.

There’s a magic academy.

There’s politics.

There’s a deeply concerning man named Trent.

And there’s Bren.

Harry has a type. Unfortunately, his type is “emotionally repressed, magically dangerous, and absolutely off-limits.”

This is going to go well.

Notes:

Okay SO—hi hello, welcome to yet another crossover because apparently I have zero self-control and an emotional support stash of “what if we just threw trauma boys into a new universe and made it worse (affectionately).”

Yes, I know. Another one. I do have other WIPs. Are they getting attention right now? Absolutely not. This one grabbed me by the throat and said “write me or perish,” and honestly who am I to argue with that kind of commitment.

Quick note before we dive in—this is a safe space. Full stop. I do not support J.K. Rowling’s views, and this story, my AO3, and my Discord are all explicitly LGBTQ+ friendly spaces. Hate has no place here, and if that’s a problem for you, this probably isn’t the fic for you.

For those who are staying (hi, I love you already), I’m polyamorous and demisexual, and those perspectives absolutely shape how I write relationships, intimacy, and connection. Expect emotional slow burns, complicated dynamics, and characters catching feelings in the worst (best) possible ways.

Anyway—this fic has:
✨ post-war “nothing feels right” vibes
✨ Hermione being the smartest person in every room (as she should be)
✨ Harry making deeply questionable emotional decisions
✨ a magic system that said “your trauma? let’s explore that”
✨ and a certain untouchable problem man that I am absolutely not normal about

Please mind the tags, hydrate, and emotionally prepare yourself.

Let’s suffer together 🖤

(See the end of the work for more notes.)

Chapter 1: Chapter 1 - The decision to leave

Chapter Text

Harry doesn’t remember when the idea of leaving stopped being a thought and became something inevitable.

It settles quietly between him and Hermione, unspoken but understood, growing heavier with every day the world expects them to move on as if nothing inside them has been irrevocably altered. The wizarding world calls it rebuilding, calls it healing, calls it victory—but to Harry, it feels like noise layered over something broken.

Ron had been the first fracture, the argument between them quieter than expected but sharper for it, cutting through years of friendship with a finality Harry still doesn’t know how to process. Hermione had tried to hold it together, as she always did, but even she couldn’t stop something that had already begun to fall apart. Ron left. In the end, it is just the two of them, standing in a world that no longer feels like theirs.

The marble halls of Gringotts Wizarding Bank gleam as brightly as ever, but Harry feels disconnected from it all, as if he’s walking through a memory instead of something real.

The high ceilings stretch impossibly above them, chandeliers casting fractured light across polished stone, and the steady scratch of quills echoes in sharp, measured rhythm behind the long counters. Goblins move with the same precise efficiency they always have, eyes sharp, posture rigid, every movement controlled and deliberate. Nothing here has changed. That, more than anything, makes Harry’s chest tighten. The world outside is trying to pretend everything is different, better—but here, it is exactly the same.

Hermione walks beside him, composed in the way she only is when she has already made a decision and committed to it fully, her shoulders squared, her expression set into something calm and immovable. She doesn’t hesitate when they approach the counter, her voice steady as she requests full vault access—primary, secondary, inherited lines—each word precise, leaving no room for interpretation or refusal.

The goblin assigned to them studies her first, then Harry, recognition flickering briefly in his gaze before settling into something more guarded, more calculating. Harry feels it—the weight of being known, of being assessed—not as a person, but as an asset. A risk. A story.

“Full withdrawal?” the goblin asks, tone neutral but edged with something sharper beneath.

Hermione doesn’t falter. “Full access,” she corrects calmly. “We will determine the extent of withdrawal ourselves.”

There’s a pause. A shift in the air.

Then a curt nod.

The cart ride is faster than Harry remembers—or maybe it just feels that way now that he’s no longer a child gripping the sides in awe. The tracks twist and dive through the depths of the bank, sharp turns and sudden drops that would have once made his stomach lurch. Now, he barely reacts. His gaze drifts instead to the passing stone, the flicker of enchanted lights, the distant glint of other vault doors sealed tight behind layers of magic and metal. There’s a sense of depth here that feels endless, like the bank stretches far beyond what anyone truly understands. A system built not just to store wealth—but to guard it, to protect it from anyone who doesn’t belong.

Harry wonders, briefly, if that includes him.

When the Potter vault opens, the sound echoes.

Gold spills into view in shimmering waves, catching the dim light in fractured reflections that dance across the walls. Once, it felt overwhelming. Magical. Untouchable. Now it feels… quiet. Still.

Hermione steps forward first, already moving, already organizing, her hands precise as she begins sorting through the contents with practiced efficiency. She pulls out enchanted storage containers, murmuring quick calculations under her breath, categorizing without hesitation—liquid assets, portable value, items of significance. Harry watches her for a moment, something tight in his chest easing just slightly at the familiarity of it. Of her.

Then he moves.

It’s different, this time. Not a child stepping into something that belongs to him without understanding it. This time, he knows exactly what he’s taking and what he’s leaving behind.

His hands brush over the surface of coins that have likely been here longer than he’s been alive, generations of inheritance stacked in quiet accumulation. He doesn’t feel ownership over it—not really. It feels more like responsibility. Like something entrusted to him that he never asked for.

He gathers what Hermione indicates, working in silence beside her, but his attention keeps catching on things he hadn’t expected.

“Harry,” Hermione says softly, not looking at him, but aware anyway.

He glances up.

She pauses just long enough to meet his eyes, something unspoken passing between them—not a question, not quite reassurance, just… acknowledgment.

You don’t have to carry everything.

He exhales quietly.

Nods.

They work more efficiently after that, falling into rhythm. Hermione calculates weight versus space, adjusts for magical compression, ensures nothing they take will draw unnecessary attention. Harry handles the physical gathering, sealing containers, checking closures, grounding himself in the movement.

They don’t speak much.

They don’t need to.

At one point, the goblin returns—not intruding, but present, observing from the threshold of the vault. Harry feels his gaze before he sees him, sharp and assessing, taking in what they choose, what they leave behind.

“Unusual,” the goblin remarks finally, voice quiet but precise.

Hermione doesn’t look up. “How so?”

“Most heirs,” he says, “take everything.”

Harry stills slightly.

Hermione’s hand pauses for only a fraction of a second before she resumes her work.

“We are not most heirs,” she replies.

“Indeed,” he says, "The goblin’s gaze shifts to Harry. Something like understanding flickers there. Not sympathy but recognition.

They don’t take everything.

They take what they need. What they can carry. What will allow them to survive wherever they end up.

The rest remains.

Not abandoned.

Just… no longer theirs.

When the vault door begins to close, the sound echoes deeper this time, reverberating through the stone, through the space, through something in Harry’s chest that tightens despite everything.

He doesn’t turn around.

He doesn’t hesitate.

The wards of 12 Grimmauld Place recognize him the moment they arrive, the door opening with a reluctant creak that echoes through the quiet house. Dust lingers in the air, the silence thick and heavy, pressing in from every corner like the house itself is holding its breath. It feels like stepping into something half-forgotten, a place built from memory rather than comfort, and Harry has never liked memories much.

Hermione moves through it without hesitation, already searching, already working, pulling books from shelves and scanning titles with sharp focus. When she calls him into the drawing room, her voice carries a different edge—something quieter, more careful.

The book she has found looks older than anything else in the house, not worn but preserved, as if it had been hidden deliberately, waiting. Harry can feel the magic in it before she even begins to read, something deep and pulling, something that doesn’t feel entirely safe. Hermione’s fingers hover over the pages with a kind of reverence she rarely allows herself, her voice lowering as she explains what she’s found.

A displacement ritual, but not one tied to location—something deeper, something that aligns with intent, with the core of who they are. It doesn’t take them somewhere specific. It takes them where their souls are meant to be.

The words settle between them, heavy and impossible to ignore. Harry lets out a quiet breath, something almost like a laugh catching in his throat as he points out the obvious risk, but Hermione only huffs softly in response, reminding him that risk has never stopped them before. And she’s right. It never has. So they prepare.

The ritual circle is drawn carefully, each line deliberate, each rune layered with precision as Hermione checks and rechecks her work. Harry gathers what little they’ve decided to bring, the house watching in silence as if it understands what they’re about to do.

There is a moment, just before they step into the circle, where everything stills. This is it. There is no going back. Harry nods, and together they step forward, the magic responding immediately, humming beneath his skin in a way that feels both familiar and entirely new.

Hermione begins the incantation, her voice steady despite everything, and Harry focuses on the sound of it, on the grounding presence of her beside him.

The door slams open hard enough to shake the walls.

“Potter.”

They both freeze.

Professor Minerva McGonagall stands in the doorway, breath sharp, eyes blazing—not with anger, but something far more urgent. Her gaze flicks from Harry to Hermione, then to the circle etched into the floor, the book open, the magic already humming.

“What,” she demands, voice tight, “do you think you are doing?”

Harry straightens instinctively. “”

“No,” she cuts him off, stepping fully into the room, her robes snapping behind her. “You do not get to ‘Professor’ your way out of this. Explain. Now.”

Hermione lifts her chin, steady despite the tension. “We’re leaving.”

McGonagall’s expression doesn’t change—but something in her eyes sharpens. “Yes,” she says quietly. “I can see that.”

“It’s not safe for us here,” Hermione continues, voice controlled but firm. “The Ministry—”

“—is already mobilizing,” McGonagall interrupts.

The words land like a blow.

Harry stills. “What?”

“They are on their way,” she says, each word precise. “Not tomorrow. Not later. Now. I passed two Ministry officials on my way here, and they were not subtle about their intentions.”

Hermione’s hand tightens slightly at her side. “Intentions,” she repeats.

McGonagall’s mouth thins. “Control and Containment.” Her gaze shifts to Harry, sharp and unyielding. “You are a symbol, Mr. Potter. And they will not allow their symbol to walk away.”

“They don’t get to decide that,” Hermione snaps, the first crack in her composure.

“No,” McGonagall agrees softly. “They do not.”

Harry blinks.

“You… agree?” he asks.

Her gaze softens—just slightly. “I taught you both long enough to recognize when you have already made your decision.” Her eyes flick to the circle again, to the runes, to the book. “And I am not blind to what this world has become.”

Hermione hesitates. “Professor… if they find you here—”

“They will,” McGonagall says simply. “And they will question me. And they will expect answers I have no intention of giving.”

Harry frowns. “Then you shouldn’t be here.”

“I packed before I came, I am coming with you. You are both newly seventeen years old and I will not stand by and allow you to go alone into wherever this ritual drops us without help.” She says, stepping into the runic circle.

Hermione stares. “Professor…”

“I will not,” McGonagall says, voice low and iron-solid, “stand by while the Ministry turns my students into political tools. Nor will I allow you to face whatever comes next alone.”

Harry feels something in his chest shift—tight and unfamiliar and grounding all at once.

Hermione exhales sharply, something like relief threading through the tension. “Then we don’t have time to argue.”

“No,” McGonagall agrees. “We do not.”

Outside, faint but growing louder—

Voices.

Shouting.

The distant crack of something breaking through wards.

Hermione turns back to the circle, forcing herself into focus. “Once we start this, we can’t stop,” she says quickly. “It’s not location-based—it—”

“—aligns with intent,” McGonagall finishes, already stepping into the edge of the circle. “Yes. I gathered as much.”

Hermione blinks. “You—”

“I did not spend decades teaching Transfiguration to misunderstand advanced magic, Miss Granger,” McGonagall says dryly. “Proceed.”

Despite everything, Hermione almost smiles.

Then she inhales and begins.

The incantation spills from her lips, stronger this time, steadier, the magic responding instantly—rising, thickening, pressing in from all sides. Harry feels it under his skin, sharp and electric, like something is reaching for them, finding them.

McGonagall stands at his side, unwavering.

The house groans.

The wards strain.

Outside, the shouting is closer now. “Potter!” a distant voice echoes. “We know you’re in there—”

Too late.

The magic ignites.

Light fractures through the room, tearing across the walls, bending reality into something jagged and unstable. The air splits with a sound that is not quite sound—something deeper, something that feels like it echoes through bone instead of space.

Harry grabs Hermione’s hand.

She grips back just as tightly.

McGonagall’s voice cuts through the chaos—“Hold steady—”

And then—

Everything snaps.

Harry hits stone hard, the impact knocking the breath from his lungs in a sharp, disorienting gasp. The magic here is wrong—no, not wrong, just different. Sharper. Colder. It presses against him immediately, surrounding him in a way that feels almost aware.

“Harry—” Hermione’s voice, strained but steady.

“I’m here,” he manages, pushing himself up, his hands bracing against unfamiliar stone.

McGonagall rises a moment later, slower but composed, her gaze already sweeping their surroundings with practiced precision. “Everyone intact?”

“Yes,” Hermione answers quickly, already turning, already analyzing. “But this—this isn’t—”

“No,” Harry mutters. “It’s not.”

The sky above them is wrong—darker, deeper, the color too rich, too heavy. Two moons hang in the sky, one looks closer to the uk but the other is blood red in colour. The structure surrounding them rises in sharp, deliberate lines, carved stone stretching upward in a way that feels imposing rather than protective.

“This is a residential area,” Hermione murmurs, turning slowly. “However, the structures differ from ours, these look like they were either built by hand or some by magic.”

Harry feels it then, the magic here flows differently, while he can feel his own magic within his core, he can also feel magic from the space around them.

“Hermione,” he says quietly.

“I feel it,” she replies immediately.

He swallows. “Where are we?”

Hermione exhales slowly, grounding herself before she casts “Locus nunc revelare.” The magic dances out of her wand forming a map, Not a physical parchment, but a floating, layered projection.

“Apparently …Rexxatum. In Exandria.”