The battle beneath Hogwarts had turned into chaos.The Basilisk lunged again and again, its massive body coiling around the pillars, breaking ancient stone with each movement.Harry dodged and stumbled, clutching his side where the serpent's fang had cut through his arm. The poison burned like fire in his veins.
Tom Riddle stood nearby, calm and smiling, his ghostly form flickering faintly."Poor Harry," he said softly. "Dumbledore's golden boy… without his mentor, without his friends, without hope."
Harry clenched his teeth and raised his wand. "You're wrong!"
At that instant, a blazing cry echoed through the chamber — a cry like sunlight breaking through darkness.Fawkes, Dumbledore's phoenix, swooped down in a burst of scarlet flame, carrying the old Sorting Hat in its claws.
The bird circled once and dropped the hat at Harry's feet before darting toward the Basilisk, striking at its eyes with blinding light.The serpent hissed in fury as it thrashed, blinded and enraged.
Harry grabbed the hat and reached inside desperately — nothing. Empty cloth.Riddle laughed. "A hat? That's what your precious headmaster sends you? Pathetic!"
The boy tried to defend himself as the Basilisk twisted closer, guided by sound.But then —a pulse of ancient magic stirred.
From within the hat, a gleam of silver flared, and slowly, a blade rose out — the Sword of Godric Gryffindor.Its rubies glowed with firelight.
Harry grasped the sword with trembling hands and charged forward."Come on, then!" he shouted, swinging with all his might.
But before he could strike, the Basilisk's tail smashed him aside.The sword flew from his grasp, clattering across the stone floor.Harry hit the wall hard, sliding down, dazed, the venom burning faster now.
The monster slithered nearer, fangs gleaming.Riddle's smile widened. "Farewell, Harry Potter."
Then—a voice of fire and calm authority echoed through the chamber.
"Bankai — Ryūjin Jakka."
Flames erupted out of thin air.Every inch of the chamber was suddenly bathed in searing golden light.The Basilisk froze, its scales beginning to crack and hiss.
From the shadows stepped Roy Valvas, invisible until that instant, his long coat fluttering in the rising heat.He held his Zanpakutō, the blade glowing like molten sun.
With one fluid motion, he swung —a line of fire sliced through the air, and the Basilisk's head fell, severed cleanly.Its massive body collapsed, burning as the flames consumed it into ash.
The chamber went utterly silent.
Harry, half-conscious, stared wide-eyed. "R-Roy…?"
Tom Riddle's expression twisted with fury. "You—! You shouldn't exist in this story—"
Roy smirked. "Funny. People keep saying that."
The phantom's form flickered violently."I know what Ron told me!" Riddle snarled. "His envy, his jealousy—he wanted to be you!"
Roy's eyes were calm. "And I suppose you think that makes him yours? Sorry. Jealousy doesn't make a monster — choices do."
He raised his sword again, its fire coiling like a living serpent.
"Burn everything — Ryūjin Jakka."
The flames swept forward.Tom Riddle screamed as his memory form dissolved into pure light, leaving behind only a half-charred diary, hissing with dying magic.
Fawkes landed gently on Roy's shoulder, trilling softly.The phoenix nuzzled its fiery head against Roy's cheek, the heat strangely soothing.Roy smiled faintly. "Good work, old friend. Now — help him."
The phoenix fluttered down to Harry and let fall a single glowing tear.It touched Harry's wound — and the poison vanished, leaving smooth skin behind.
Roy gathered the fallen sword, the diary, and the remains of the Basilisk's corpse into his system storage, then turned to the unconscious figures of Ron and Lockhart nearby.
"Let's go home."
With a flash of flame, Fawkes spread its wings, and in a burst of golden fire they vanished —
reappearing in the Headmaster's Office, where Dumbledore waited, already standing beside the phoenix's perch.
The old wizard's eyes twinkled behind his half-moon glasses."I see," Dumbledore said softly, smiling. "You found our lost boys — and dealt with an old memory, I presume?"
Roy exhaled and set Harry down gently. "All cleaned up. Though you'll need a new basilisk chamber."
Dumbledore chuckled. "A fair trade, I should think."
Fawkes gave a triumphant cry, circling once before settling down again, the chamber's faint scent of smoke and salvation still lingering in the air.