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English
Series:
Part 4 of Harry Potter and the Two Worlds
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Published:
2026-08-07
Completed:
2026-08-12
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27,714
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15/15
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Harry Potter and the Two Worlds: The Winter of Magic

Summary:

A week has passed since the British Army was defeated during the Battle of Hogwarts by Harry Potter, the Master of Death. However, the war has left the United Kingdom in complete anarchy, and Hogwarts has become a sanctuary for wizards and Muggles alike.

Harry and his friends must save London from a magical apocalypse and battle dragons, vampires, werewolves, and dementors who claim the ruins of the capital. Meanwhile, Draco Malfoy, Daphne Greengrass, and their Slytherin friends have been captured and sent to Durmstrang to fight a war against Russia.

Chapter 1: Saving London

Chapter Text

The snow that fell over the Scottish Highlands glittered across the towers of Hogwarts. Inside, children and families huddled together trying to forget the horrific events that brought them together within the castle. A low, rhythmic thump-thump-thump echoed through the air, and every student and teacher looked up in alarm, expecting another invasion.

"Helicopter!" shouted one of the older Muggle-born students from a window in the Great Hall.

Teachers and ghosts rushed to the courtyard. Harry, Ron, Hermione, and Professor McGonagall led the way. Through the swirling snow, they saw the silhouette descending from the clouds. A large grey helicopter, with the golden crest of the Royal Air Force, landed in the courtyard. Soldiers opened the door and out stepped Queen Elizabeth II, wrapped in a dark winter cloak.

The entire courtyard froze at the sight of the Queen. Harry lowered his wand slowly. He hadn't expected to see her again. "Your Majesty. "

Hermione bowed deeply. "We thought—" She stopped herself, struggling for words. "We thought the Royal Family was still under guard at Buckingham Palace.

"London is gone," the Queen said quietly. "Your dragons and creatures have torn through the streets. Fire and ash cover the Thames. People are fleeing in thousands."

Harry exchanged a horrified glance with Ron and Hermione.

"The dragons..." Ron began, "...they were Gringotts' vault-keepers. We had nothing to do with their release. It must've been the goblins."

Hermione nodded quickly. "Please, Your Majesty, we'll do everything we can to contain them. We can make this right."

The Queen looked at her. "I do not doubt your intentions, Mrs. Granger-Weasley, but the kingdom itself has fallen apart. The government is in ruins. There is no longer a United Kingdom to govern."

"What will you do now, Your Majesty?" McGonagall asked quietly.

The Queen's gaze turned toward the distant mountains. "My family and I will leave for Canada, where there is still peace. We can no longer serve as a symbol of unity when there is no unity left."

"I'm sorry," Harry said softly. "For everything that's happened. For what we couldn't stop."

The Queen looked at him for a long moment.

" Mr. Potter, you fought for peace when others sought power. You've done more than most of my ministers ever could. I'll forever be grateful for you saving my life. Under different circumstances, you would've received knighthood. "

Hermione stepped forward. "Thank you, Your Majesty, for never turning your back on us, even when the world did."

A faint smile touched the Queen's lips. "You are children of two worlds. That is both your curse and your gift. Take care of this castle, it may be the last refuge left for mankind."

She turned back toward the helicopter. Snow swirled around her cloak as she climbed aboard. The rotors began to spin again. The Queen gave one last glance toward the towers of Hogwarts.

"Farewell," she said, through the radio static. "May your magic guard what remains."

The helicopter lifted off, turned west, and disappeared into the white sky.

Harry, Hermione, Ron, and McGonagall stood together in the snow, staring at the sky.

"The world's changed for good," Ron murmured.

Harry nodded grimly. "Then we'll have to change with it.

The moment the Queen's helicopter vanished beyond the horizon, a heavy silence fell over the courtyard. Everyone knew what her words meant. The United Kingdom was gone, and the world beyond the mountains had fallen into madness.

Harry, Ron, and Hermione refused to let that be the end of it. Within an hour, they stood before their friends, former colleagues, and old teachers inside the Great Hall.

"London's burning, the United Kingdom is no more, " Harry said. "London is burning. The Gringotts goblins have broken the surface and unleashed the dragons. Thousands of other magical creatures are stampeding through the streets, and millions of non-magical people are completely defenseless. If we don't stop this, there won't be a London left. And if we let muggles die while we hide here, then everything we fought for, every hope for peace, dies with them."

"This is our chance to prove that wizards aren't monsters," Hermione said. "That magic can save, not destroy. If we walk away now, the muggles will never trust us again, not for generations."

Rolf Scamander raised his hand grimly. "Some of those beasts are mine," he admitted. "If anyone's to blame, it's me. I'll come, I can help calm them. I know how to handle them without shedding blood. "

Luna nodded. "The creatures are frightened, not evil," she said dreamily. "They just need to be guided home again."

Ginny stepped forward next. "You aren't leaving me behind this time, Harry. You'll need someone who can handle a broom in a storm."

Teddy and Victoire exchanged a glance and then joined her. "We're in," Teddy said firmly. "If this really is the end of Britain, let's end it doing something right."

In the corner, Padma turned to her twin. " Parvati, look at me," Padma pleaded. "We have to go. We have to help them."

"Help them?!" Parvati spat bitterly. "After what they did to us? Why should we bleed for the people who built the cages?

"Because if we don't, we are no better than Kavita!" Padma shouted back. "If we leave them to burn out of spite, we let her win. We let her hatred define who we are. We need to be better than the ghosts of our past, Parvati. Please. Come."

Parvati stared at her twin sister for a long, agonizing moment. Slowly, she gave a reluctant nod. "Fine. I'll do it for you. I can't let you die alone. "

Neville looked torn, glancing toward Hannah, who sat trembling beside him. "The military will shoot us again, Harry. They won't care who we're saving."

"They'll learn," Harry said. "Or they'll watch us save their lives anyway."

Hannah's voice broke. "I can't," she whispered. "Not after their betrayal... the way they turned on us overnight. I can't risk my life for people who want us in chains. I'm sorry."

Neville took her hand gently. "Then stay. Keep everyone safe here. I'll go with them."

From the back of the room, a booming voice cut through the murmurs. Hagrid stepped forward. "Yeh can't ask me to hurt creatures, Harry," he said, shaking his head. "Not for muggles who shot me down in cold blood. If they want to pick a fight with a dragon, they can learn the hard way what happens when yeh push nature too far. "

Harry nodded sadly. "I'd never ask you to, Hagrid. Just wish us luck, then."

Hagrid's eyes softened. "Always, Harry. Always. Just promise not to hurt any innocent creatures."

Within the hour, the group assembled by the castle gates: Harry, Ginny, Ron, Hermione, Neville, the Patil sisters, Luna, Rolf, Teddy, and Victoire, made themselves ready for the next adventure.

The Knight Bus screeched to a halt before them in a burst of violet light. Stan Shunpike leaned out the window. "Blimey, not you lot again, " he muttered. "Who or what needs saving now?"

Harry grinned. "London, Stan. As close as you can get us."

The doors swung open, and one by one, they climbed aboard.

As the bus roared into the night, Ginny took Harry's hand. "You really think the muggles will forgive us after this?" she asked.

Harry stared out the window. "Doesn't matter," he said quietly. "We're not doing this for forgiveness. We're doing it because it's right."

The Knight Bus turned south, carrying a handful of wizards and witches racing toward a city that had already given up on them.

Minutes later, the Knight Bus shuddered to a halt on the outskirts of London. Through the fogged windows, the former capital looked like a sprawling war zone. Sprawled across the parks and gridlocked highways were thousands of makeshift canvas tents, overflowing with shivering, displaced Muggle refugees. Children huddled under blankets, families cried into one another's shoulders, and fires burned in metal barrels.

The early December air was bitterly cold, and the snow on the ground was gouged by massive, terrifying pawprints and heavy, dragging tail marks. In the distance, the night sky was fractured by the deep roars of dragons and the panicked wails of distant sirens. Former soldiers, stripped of their regiments, wandered the camp, ready to fire their weapons at any creature in sight. Police officers with torn uniforms tried to keep order. Firefighters and doctors, soot-stained and exhausted, moved from patient to patient without rest.

Stan Shunpike leaned heavily over the steering wheel. "Bloody hell... this mess is gonna take lifetimes to fix."

The words hit Hermione like an icy blade. "This... this is my fault," she cried, standing near the exit. "How could I've been so naive..."

Harry placed a gentle hand on her arm. "Hermione, no. Kavita caused this. The goblins did this. The Muggle government caused this. Not you."

However, the guilt etched itself into her eyes all the same. Behind them, Parvati and Padma stood motionless, staring at the sprawling chaos.

Padma's voice broke. "We fled India because of war... because of mobs and fear and hatred."

"And now we're here again," Parvati finished. "Different country. Same nightmare."

Rolf surveyed the devastation grimly. "This is far worse than what my grandparents dealt with in New York," he murmured.

Harry looked out toward London, where a column of black smoke was rising like a beacon.

"If we don't earn the muggles' trust, they'll shoot us on sight," he said. "We need to give them a chance to see us fighting for them."

Screams erupted from somewhere behind the tents. The group ran toward the danger without hesitation. When they reached the highway overpass, they saw it, a Hungarian Horntail perched atop the ruin of a double-decker. The Dragon roared and set fire at everything in sight as it tore through Trafalgar Square. Statues melted into slags, and buildings crackled with fire.

Harry didn't hesitate. He Apparated directly in front of the dragon and raised the Elder Wand.

"STUPEFY MAXIMA!"

The spell struck the Horntail like a cannon blast, knocking it to the ground in a cloud of dust. The monstrous form slumped, unconscious. Gasps erupted from soldiers all around them. Harry didn't stop. He Apparated again and again, stunning a rampaging nundu, then a manticore, each blow more forceful than the last. Firefighters stared open-mouthed, refugees dropped to their knees, and soldiers forgot to raise their weapons.

Hermione approached the nearest soldier, a trembling young policeman with ash smeared down his face.

"We're here to help," she said gently. "We need to speak to whoever's in charge. Bring us to your commanding officer."

He was too stunned to argue.

"S–Sir... Ma'am... follow me."

Harry and Hermione followed him through the shattered outskirts. Their friends watched them from afar through the glowing forms of Patronuses, in the forms of a jack russell terrier, a horse, a hippogriff, a rabbit, a leopard, a peafowl, a raven, and a wolf. The terrified soldiers led Harry and Hermione through the maze of tents to a heavily fortified tactical command camp inside a surviving government building. Radios buzzed with casualty reports.

As they walked inside, the temperature in the room seemed to drop. Every single soldier and tactical analyst froze at the sight of Harry Potter, the legendary wizard who had single-handedly broken their lines and obliterated their vanguard at the gates of Hogwarts just two weeks prior.

Finally, they arrived at a fortified command post made of tents and armored vehicles. Inside, former General Thomas Greaves stood hunched over a map of London with several terrified
officers.

"General?" the soldier said. "It's... them."

Greaves turned and saw the one and only, Harry Potter, and former British Minister for Magic Hermione Granger-Weasley standing before him. For a moment, no one spoke.

" Mr Potter. Minister Granger," he said, breaking the silence. "I... I never expected to see you here. "

Harry and Hermione stood side by side, unsure what to say to the man who had commanded the invasion of Hogwarts last month. Being surrounded by the same soldiers who had marched on their home and put their children in harm's way just fourteen days ago made their skin crawl with an intense, lingering discomfort.

"We're not here to fight you," Harry said. "We won't forget or forgive what your army did at Hogwarts. For pointing your guns at our children. But London is dying, and we're the only ones who can stop what's coming."

Hermione stepped forward. "Make no mistake, General Greaves. We will never forgive the invasion of Hogwarts. We will never forget the cages or the terror inflicted on our community, but we will not allow innocent people to burn out of spite. We will capture the beasts and restore order to London. "

Greaves stared at them as if they were ghosts. "You defeated an entire military assault," he said quietly. "My assault. And now... you're saving our civilians?"

Harry nodded. "Because they're people. Because this is our home too."

Greaves stared at them, absolutely stunned. He had expected retaliation, execution, or a demand for unconditional surrender. Instead, he was looking at two individuals who had every reason to watch London burn, but were instead choosing to bleed for it. A profound, overwhelming respect bloomed in the old soldier's chest.

"You're... patriots," he breathed. "Both of you. More than many of the men under my command."

The tension in the tent eased. Officers exchanged hesitant glances, but no one raised a weapon.

Slowly, Greaves extended a trembling hand across the map table. "Thank you. Your country owes you a debt it can never repay."

Harry and Hermione looked down at his outstretched hand, but neither took it. Greaves took no offense. He slowly lowered his hand and nodded in deep, understanding humility. The former general turned his attention back to the map of the burning capital.

"Let's get to work then."

The moment Harry and Hermione stepped out of the command tent, the gang moved without hesitation.

Hermione raised her wand high. "Protego Totalis Maxima!"

A dome of shimmering gold burst outward, spreading across the entire refugee camp. Cold wind softened. The air warmed. Screams eased as people felt the sudden safety envelop them. Then Hermione walked tent to tent, murmuring charms. A tiny family tent expanded into a warm, spacious interior with beds, lights, and a kitchen. Another tent became a fully functional hospital ward. Another tent turned into a nursery. Children stared in awe as Hermione lit lanterns with a wave of her hand. For the first time in days, people smiled.

Luna, Neville, and Ginny moved through rows of injured refugees. Neville conjured herbal salves he learned from Professor Sprout. Luna placed calming charms on screaming children. Ginny spread warmth like firelight, healing burns and broken bones.

A young soldier whispered, "I'm sorry for everything... for what we did at your school."

Ginny shook her head, "Help us carry the next patient."

Harry, Ron, and Rolf Apparated across London's battlefield streets. Dragons roared above shattered skylines, a runespoor slunk down a destroyed alleyway, and a gryphon ripped through a police barricade.

Harry didn't hesitate. "Stupefy!"

A Peruvian Vipertooth went down.

Rolf conjured massive containment cages, reinforced with goblin-forged chains. Ron gulped as a shadow moved across the rooftops. A massive acromantula descended, screeching. Ron froze, feeling the old terror resurface from his childhood.

"RON, MOVE!" Harry shouted.

Ron's hand shook, but he forced himself to raise his wand. "ARANIA EXUMAI!"

The acromantula collapsed in a heap.

Ron gasped, shaking, then let out a wild, relieved laugh. "That one's... definitely going to Hagrid."

In burning streets, the Patil sisters, Teddy, and Victoire became streaks of color moving through smoke. Padma blasted down debris that blocked a collapsed train car. Parvati levitated unconscious civilians out of crushed buses. Teddy metamorphosed into firefighters, police officers, and even paramedics to mislead panicked crowds away from danger.

Victoire's veela magic soothed terrified children and calmed stampeding mobs long enough for Teddy to whisk them away.

The Knight Bus roared through the streets, honking wildly, picking up hundreds of refugees and delivering them to safe zones conjured by Hermione.

It felt endless. There was always another fire, another dragon, another monster, and another scream. As the night turned into dawn, the wizards realized that they could save London, but they could not do it overnight. The damage was too vast, and the city was too broken, but they refused to stop.

The next morning, reinforcements Apparated into the camp. They were both tired, determined, and carrying their own grief.

Neville was overjoyed to see that Hannah had come forward. "I couldn't stay behind," she whispered, embracing him with a warm hug.

Arthur and Molly Weasley followed, holding each other's hands.

"We'll help however we can," Arthur said. "Muggles or not... people are suffering."

George and Angelina came next. Then came Oliver Wood and Katie Bell with brooms over their shoulders. Percy with Penelope lingering behind him like a guilty shadow. Penelope strode straight to General Greaves.

"Where is Dominic Hayes?" she demanded. "He betrayed us all. He blackmailed me. Threatened my family. I want him found."

Greaves looked deeply uncomfortable.

"Hayes defected," he said quietly. "He fled the country last night. The Americans took him in. He's with the CIA now."

"That coward..." Penelope uttered. "He doesn't even have the decency to face what he did."

Percy stepped toward her.

She whispered, "I'm sorry, Percy. For everything."

Penelope's ex-boyfriend and former boss put a hand on her shoulder. "Help us rebuild," Percy said softly. "Start there.