The transformation was not a gentle transition; it was a violent biological coup. Inside the dense, rain-lashed thicket of the Forbidden Forest, Sebastian felt his human skeletal structure shatter. It wasn't the sound of breaking wood, but the deep, resonant thud of stone grinding against stone. His heart, already vibrating with that strange second pulse, suddenly expanded, rhythmically slamming against his ribs with enough force to bruise.
The pain was absolute, a white-hot agonizing fire that started at the soles of his feet and surged upward, claiming every nerve ending. He could feel his femurs lengthening, the marrow bubbling as it adapted to a draconic density. His fingers didn't just grow; they fused and hardened, the skin splitting to reveal curved, obsidian-black talons that bit deep into the muddy earth.
Then came the scales. It felt as if a thousand red-hot needles were being driven into his skin simultaneously. Each scale erupted from a follicle, hardening instantly into a diamond-tough shield. As they overlapped, clicking into place like the segments of a master-crafted suit of plate armor, the agony began to subside, replaced by a cold, terrifying sense of invulnerability.
He felt his spine elongate, the vertebrae clicking into a powerful tail that whipped behind him, shattering a nearby boulder with a single, unconscious twitch. On his back, the shoulder blades didn't just move; they tore open. Two massive, leathery wings unfurled with the sound of a ship's sail catching a gale, momentarily blocking out the torrential rain. Finally, his face stretched, his jaw unhinging to accommodate rows of serrated, dagger-like teeth. His vision shifted, the world turning into a sharp, high-contrast landscape where every heat signature glowed like a beacon.
He opened his maw and let out a roar—not a human shout, but a primal, vibrating thrum that shook the very foundation of the forest. A plume of brilliant, white-hot fire erupted from his throat, tearing through the rain curtain and momentarily vaporizing the clouds above.
Success! Sebastian's consciousness roared from within the reptilian skull.
He had done it. He had achieved what Salazar Slytherin had died chasing. He was no longer just a wizard; he was a living, breathing Norwegian Ridgeback. The sense of power was intoxicating. He felt like he could flatten the castle with a single pass, his scales humming with a magical resistance so high that most spells would likely bounce off him like pebbles against a mountain.
But as he stood there, a forty-foot engine of destruction, a cold, analytical thought pierced through the draconic bloodlust.
This is too much.
While the Dragon Form was a masterpiece of raw power, it was also a logistical nightmare. He was too big. He couldn't fit into a hallway, let alone a classroom. He was a siege engine, but he lacked the precision of a duelist. If he stayed like this, he would be a target—a massive, albeit tough, target.
Then, a theory he had penned months ago flashed in his mind: The Conjecture on the Animagus Second Stage.
In that essay, he had hypothesized that if a wizard could transform into a magical creature, they could potentially use Human Transfiguration to "bridge" the two forms. For a normal Animagus, this was impossible because a tabby cat or a rat has no magical core to manipulate. But this dragon? This dragon was a fountain of raw, ancient magic.
Sebastian's ambition, fueled by the dragon's natural greed for more, surged. He didn't just want to be a dragon. He wanted the best of both worlds. He wanted the durability and strength of the beast combined with the agility and spellcasting capability of the man.
He closed his vertical pupils and focused. He began to compress.
He used his mastery of Human Transfiguration, not to revert to a human, but to force the dragon's mass into a humanoid mold. It was like trying to fold a thunderstorm into a silk purse. The magic within him groaned under the pressure.
His massive claws began to shrink, the joints becoming more articulated, the palms widening until they regained the dexterity of human hands—albeit hands tipped with lethal, inch-long talons. His legs shortened, the digitigrade stance shifting back toward a more human gait, though the muscles remained corded and thick like braided steel cables.
The most difficult part was the torso. He straightened his back, his spine snapping into a vertical alignment. The massive tail didn't vanish; it simply retracted into a shorter, more balanced appendage that acted as a counterweight. The giant wings didn't disappear either; they folded inward, overlapping across his back like a heavy, leathery mantle or a warrior's cape, ready to snap open at a moment's notice.
Finally, his head shifted. The long snout receded, his features becoming a terrifying blend of man and monster. He regained his jawline and nose, but his skin remained plated in fine, black scales. Two obsidian horns swept back from his forehead like a crown of bone.
When the smoke cleared, the forty-foot dragon was gone. In its place stood a three-meter-tall (nearly ten feet) draconic giant. He was a masterpiece of predatory evolution—a Dragon-Human hybrid.
Sebastian looked at his hands. They were covered in scales, shimmering with a dark, oily luster in the rain. He flexed his fingers, feeling the terrifying strength behind them. He felt faster than he had ever been, his reflexes heightened by draconic instincts but guided by a human mind.
But the real shock came when he felt his magical core.
In his full Dragon Form, he had felt like a blunt instrument. But in this hybrid state, his "Stacked Curses" and his wand-less magical pathways were wide open. He wasn't just a beast; he was a wizard again. A wizard who could shrug off a Killing Curse and then rip a mountain apart with his bare hands.
He could be the ultimate melee combatant. A "Battle-Mage" that would make the founders look like amateurs. He could wield a wand in one hand and a sword—or just his claws—in the other.
A few yards away, Mia was paralyzed. She had watched the transformation with her heart in her throat. Seeing him turn into a dragon had been terrifying but expected. But seeing that dragon collapse and warp into this... this thing... it looked like a nightmare. It looked like a werewolf transformation gone horribly, magically wrong.
"Sebastian?" she whispered, her voice trembling. She gripped her wand so hard her knuckles were white. "Is that you? Did... did something break?"
She took a step forward, her eyes scanning the three-meter-tall behemoth. He looked majestic, yes, but he also looked like a god of war. The aura coming off him was suffocating—a mix of ancient draconic dread and Sebastian's own sharp, piercing intellect. She was terrified that he had lost his mind to the beast, that the "will of the blood" had finally claimed him.
Sebastian turned his head toward her. His eyes were still the burning, vertical slits of a dragon, but the expression behind them was unmistakably his. He saw her fear, her readiness to strike if he proved to be a monster.
A low, gravelly rumble vibrated from his chest—a voice that sounded like grinding tectonic plates, yet carried the familiar dry wit of Sebastian Swan.
"I've never felt better, Mia. In fact, I think I've finally found my true skin."
He raised his clawed hand, observing the way the light played off the scales. Then, he looked at her, a challenge sparking in his golden eyes. He wanted to know the limits. He wanted to know if this form was as invulnerable as it felt.
"Don't just stand there looking shocked, darling," the Dragon-Human rumbled, his mouth curling into a sharp-toothed grin. "Raise your wand. I need to know if I'm as tough as I look. Cast at me. Don't hold back. Use your strongest piercing hex—hit me like you mean it!"
Mia hesitated for a fraction of a second, her mind racing. "Sebastian, I could hurt you! If the scales aren't fully set—"