Toothless' Transformation : Chapter 1

Story by MantroDrac on SoFurry

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#1 of Toothless' Transformation

(SPOILERS IN THE TAGS) Toothless has been acting strange lately, so strange that Hiccup and his friends fear he might be having a rare sickness. But the way to cure it may be worse than the "disease" itself... And there might not be any coming back for the last nightfury on Earth.


In the clear blue sky of the northern seas, the sun raised again. On a big rock taller than the waters, the village of Berk has woken up. Truly a beautiful sight to witness, a place of harmony and comradery crossing the bounds of species, a place were secular enemies, vikings and dragons, learnt to live in peace and support each others in times of need. A peace that has been brought by the enlightening friendship that the son of the chief in person built, against all traditions, with the last of the most fearsome draconic race : the unbreakable bond between Hiccup the human and Toothless the nightfury. Hiccup has succeeded to his father, and both dragons and two-legged were now looking up at the duo for guidance and inspiration.

Yet today, while everyone were going to their occupations in the village, those two were the ones missing. The vikings didn't need the young man to tell them what to do, but his friends still were worried about him. For the past week... something has been off with him and his beloved dragon. Pausing her duties for the day, Astrid, best (human) friend of Hiccup, decided to go check on him. The blonde warrior walked up the hill on which the Haddock family house has been built. Before knocking on the wooden door she peeked at the side of the mansion and spotted the black dragon of her friend asleep, curled up on the grass. It was already weird to see him sleeping alone outside of his rider's house, when the two used to spend the night together, warming each other up. But what really threw her off was the fact that the young nightfury was... strapped ! Restraints around his mouth to keep it shut, a collar attached with a leash to a pillar in the ground, even his wings were tied together by thongs of leather ! She frowned and knocked on the door. For hiccup to get to such extremes, something bad must be happening.

She still waited for several minutes before the chief of Berk opened the door with one hand, the other rubbing his eye. His hair were even more a mess than usual, and his face was silently screaming tiredness. He mumbled under his breath as he laid his half open eyes on Astrid before weakly smiling at her.

« Oh, hey Astrid... how are you doing ? » He greeted her with a yawn, and she crossed her arms on her chest looking at him the way she knew to do, with that stern gaze of her.

« You know that everyone's already up and running at this hour ? Except their chief of course. » He only answered with a grumble, and she didn't let him the time to formulate a more decent sentence. « What's wrong ? Why is Toothless sleeping all by himself alone ? And by Odin's sake, why is he strapped like that ? »

Hiccup immediately raised his hand to her face and covered her mouth, a finger on his own mouth « Shhh..! Don't wake him up already... » the viking sighed and waved her inside, seeing her surprised and mildly upset expression « here, come in. »

Astrid blinked, looking at the boy returning inside of his house, and after glancing one last time at the sleepy black scaly mass, she followed him inside, closing the door behind her.

« Are you finally going to tell me what's going on Hiccup ? » said Astrid as soon as they were inside, but looked away from Hiccup to see around the house, that was looking rather awful. Hiccup was never an ace of housework, but the furniture upside down, objects supposed to rest in drawers spilled on the floor, some things broken here and there, that was too much even for the nerdy viking, who after sighing another time sat on a table and joined his hands on his lap.

« It's Toothless, Astrid. He's acting really weird lately. I'm very worried about him. »

For the past several days, Astrid as well heard the older inhabitants of the village complaining about the chief's dragon. Someone crying over the sheeps that were supposed to end up in his own plate actually serving as the nightfury's meal, stuff broken here and there that some swore to have witnessed the black dragon's guilt, him being overly agressive with the other dragons, even hurting a few... but she didn't pay too much attention to these. Now it seemed it was more serious than she first thought. She frowned, perplexed.

« Is he the one who messed everything up in here ? »

Hiccup nodded saddly, looking down.

« I didn't want to put him outside and strapping him like this... I hated doing this, so much, but... I'm desperate Astrid ! I don't know what to do ! » Tiredness was now mixed with sadness and a hint of fear. « He's barely listening to me anymore. Sometimes he'll be more obedient than others, but most of the time he's just unbearable, he's overly excited all the time, he's full of agressive energy, and when he's actually getting into it, everything I try to calm him down is making him more agitated. I'm keeping him away from the other dragons, else he's always getting in fights, and not the playful kind. And last night... » Hiccup marked a pause, still looking down, before he grabbed the bottom of his shirt and pulled it up, revealing a long slash in his flesh, covered by a heavy set of bandage. Astrid immediately took a worried face and covered her mouth, and Hiccup continued. « Last night, he was getting into yet another of his crisis, and once again I tried to contain him... and, well, this happened. » They both staid silent a moment. « He calmed down right after he saw what he did. I saw that he was sorry, for the forst time in a while he was back to being the dragon I always loved, and... I still don't know if it was a good idea, but that's when I decided to put him in the state you saw him in. He didn't resist at all, he would let me put on the straps and everything. But I still feel guilty for doing it. » he finished looking right into Astrid's eyes.

She staid silent a moment, all trace of anger having left her. She was looking down as well, trying to come up with the best help she could provide to her friends. « Don't feel guilty, you're his friend and you care for him, everything you do is for his own good. I'm sure he knows you would never do something that would harm him. » She rubbed her forehead « Did you ask your mother about this ? » Hiccup's mother has been living with dragons for decades now, and would more than likely be the one to know what was wrong with Toothless. Yet Hiccup shook his head negatively.

« Mom is away for several weeks, she has to deal with things she wouldn't exactly tell me about, I think it's about dragons being threatened by humans in the south. Oh, by Thor, I just can't wait all this time for a solution ! » whined the chief with his face in his hands.

Astrid felt her friend's despair, but her mind was still running, trying to find any beginning of a solution. « Maybe the priest ? »

« He already came after people have complained about Toothless' behavior. Of course he said Loki took possession of him, like he does everytime something weird happens, but after he tried his stupid ritual Toothless was just even more pissed than before. I don't think he'll come back soon after having his beard turned to ashes. »

« You talked to Gobber about it ? »

Hiccup nodded « Yep, but he's as clueless as I am. He says Toothless must have caught some sickness, he advised me to feed him only cooked fishes, but nothing has changed since then. And Toothless doesn't like how cooked food tastes. »

Astrid was starting to run short on ideas. The best option was probably to wait for Valka, Hiccup's mom, to come back. But it could take a long time... maybe too long. Something bad could happen if nothing was done to try and fix the situation. Eventually she spoke up again.

« What about Jarrus the stockbreeder? »

Hiccup blinked and looked up to the blonde viking. « Uh... well, no I didn't ask him, but... »

« I don't see anyone else who could be able to help if Toothless is sick. He's used to take care of cows and horses when they're sick, and to heal them. They're almost as big as Toothless after all. And he also has to deal with a lot of feisty bulls every year, he must be experienced with your situation. »

The idea was making Hiccup cringe a bit. « Toothless isn't livestock, Astrid. »

« No I know he isn't, but do you have a better idea ? Come on, there's no problem in trying. »

Hiccup staid silent for a long moment. He tried to find any other alternative, but the more he was thinking about it, the more he had to admit that Astrid was right. Without Valka around, Jarrus was the most able to help Toothless. And the idea of his dragon being sick implied that his health could go worse by the days... he shook his head and sighed. Maybe he lost enough time already.

« You're right. I'll bring Toothless to the farmer, that's the best thing I can do for now. Thank you. » he got up and Astrid smiled at him, trying to be as reassuring as possible.

« I'm sure everything will be fine. You two went through worst things together, soon enough this will only be a bad memory. »

Hiccup came back to his house around midday after having been to the farm of Jarrus and having explained to the stockbreeder what he needed him for. Toothless has woken up, he was howling and growling while struggling against the restraints that has been put on him. The dragon calmed down a bit when his rider came to him, yet was still agitated. Hiccup stroked his muzzle gently, which helped Toothless controlling himself. « It's okay big boy. I'm taking these off right now. » And he did remove the leash from the pillar. But kept the other straps on while holding the leash in his hands. He cupped the nightfury's cheek « Come on, you're going to have a little check up, be kind 'kay ? » Toothless answered the human with a blink, but lets himself being guided down the hill relatively obediently. His rider fed him with fresh fish on the way, making his mood more easy on him.

The farm was farther from the village than Hiccup's house, the afternoon began before the duo arrived. It was inside the island, farther from the sea as well. And it was rather vast, with big fields in which cows, horses, sheeps and other animals were grazing. The stables were big as well, and next to them was Jarrus' house. Hiccup led his nightfury through the path leading there, and Jarrus was already outside waiting for him, as he has been warned about his coming. The muscular yet rather fat bearded man welcomed his chief back and took Toothless' leash from Hiccup's hand. As soon as he did, the dragon started growling and pulling against it. Hiccup stroked his dragon's neck reassuringly « It's okay bud, he's not gonna hurt you, he's here to help you. »

Jarrus struggled an instant before taking a firm hold on the leash and, seemingly almost effortlessly, yanked the leash down, making Toothless slightly squeal in surprise. « It's alright boy, I've delt with bigger beasts in the past and none ever won over me. This one's no different than a big winged cow, ain't it right Toothy ? » Jarrus snickered as he rolled the leash around his fist to get a shorter and stronger hold on the dragon. Toothless was glaring at him, but Hiccup managed to calm him down by caressing his flanks. « I'll be back soon buddy, please... » he looked into his green eyes « please be kind with Jarrus okay ? All of this is for your own good... trust me. » He smiled at him and caressed his cheek. Toothless huffed, but slightly cooed and rubbed his snout against Hiccup, as a promise. Hiccup smiled bigger, happy to already see his friend back to a more normal state. He pats his neck one last time. « I'll see you soon you annoying reptile. » He then turned to Jarrus and wished him goodbye. He gave a last glance back at Toothless as he was leaving the farmland, and finally left Toothless alone with the livestock's caretaker.

The nightfury's stress level already started to rise when Hiccup went out of sight, but aside his tail whipping the air, he was staying under control. Jarrus looked him over and snorted. « Let's get you inside shall we. » and he pulled Toothless' leash towards the stables.

The stables were mostly empty, the animals out in the fields grazing and enjoying he fresh air. Only a few cows and a horse were still inside. Toothless smelled the musk coming from the boxes, from everywhere in the stables, it was pretty overwhelming. The dragon huffed and sneazed. But soon enough he got more used to the atmosphere, enough to ignore it at least. The farmer attached the leash to the wall at the back of the stables, in a backroom where there was a table as well as a workshop similar to that of Hiccup.

Jarrus started the check up by doing what he would do with one of his sick animal : he checked on his eyes, his mouth, his teeth, his paws, his crotch... Toothless was growling and reluctant to let that stranger touch him, but he managed his best to not get angry. He promised Hiccup. And the guilt caused by last night's event was still present in the back of his mind. Jarrus, on his end, couldn't identify the source of Toothless' disorder. Sure his pupils were a bit wider than normal. Sure he seemed a little more sensitive, especially from the smells. Sure his heartbeat and breath were easily going faster. But nothing about that seemed like a sickness to him. Of course, one thought was around his mind : the dragon was in rut. But that wasn't a sickness.

« Well, to me it's obvious what's going on. Heh. Not sure Hiccup will like it if I get rid of that in the same way I do with my bulls, would he ? »

He would surely need the rider's authorization before emasculating the feisty dragon. Yet it would surely fix all his problems. But he had something else in mind. Jarrus walked to his workbench, and rummaged through the mess of the tools, but also bottles and vials filled with ingredients. He eventually found what he was longing for : a flask filled with a semi transparent liquid, and a big syringe made of wood and metal. As he walked back towards the strapped nightfury, the farmer pourred the content of the flask into the big scary tool.

« Don't worry dragon, that shouldn't hurt more than when you're fighting with the other lizards. You see, my wife's mother was some kind of witch, and she taught her some useful stuff, like potion making. That's her doing, mixed with some of my own researches on my livestock. I kept it for a very special occasion, but in you're case that should be the best you could get. With that, no need to cut off your precious jewels, you should even be able to make babies if you ever get the chance, so that's a win-win ! » He approached the growling dragon warrily, holding the syringe in both hands, before putting one on his flank and raising the other in the air, holding the harmful-looking tool. « You just...gotta...keep calm. Aight ? Don't move an inch and everything's gonna be-Ouch !!! »

Without a warning, Toothless has sent his clawy paw right at Jarrus' face, who had to back up and cover himself with his arm, making the syringe fall on the ground in a metallic echoe.

« You stupid lizard !! » The farmer was clenching his teeth, holding his painful arm in the other hand. Toothless hissed at him, baring his fangs. Because of the shock, the syringe opened, and the precious serum has started to be spilled on the dirty ground, covered in hay, animal hairs... Jarrus walked to this mess and swore « Damn it ! » He hurried and knelt down, he quickly rubbed his palms on the floor to retrieve as much liquid as he could back inside the syringe. He then huffed and closed the syringe tightly, glaring at the black dragon.

« Alright, quit being sweet with you bud. You're gonna take your medicine and shut up ! » He said standing right up, then rushing at Toothless from behind, slamming the syringe in him and pushing against it to inject everything it contains right into the nightfury's veins. Of course Toothless roared of pain, but the straps around his mouth muffled the scream. An instant later, Jarrus was pulling the syringe off the dragon and taking a few steps back, wiping off the sweat from his forehead « Hah...aight. Done. Just gotta wait for it to take effect now. »

Toothless was shivering on his four paws, pupils tightened by the shock. His flank, where the syringe penetrated him, was aching from the bite of the needle, but only a small drop of blood came out of it, it would heal in no time. The serum he's been injected with, however, was currently spreading through his whole body, carried by the circulation of his blood, and sent to every corner of his organism with each heartbeat. Jarrus sighed, and after putting the empty syringe back on the workbench, started walking away. « I have a lot of work to do, you stay here and don't try anything stupid. I'll come and see how it goes before the chief is back. » And on these last words, he left the backroom, leaving Toothless alone.

The nightfury was attached too far from the workbench and the door to do anything, and the straps around his muzzle prevented him from playing with fire. But even without these precautions, the young dragon was far from able to try any bold move. Toothless' limbs were starting to feel numb, at first the paws then the whole legs, and that feeling was spreading with the serum up to his brain that was getting all foggy. His head was spinning, and some parts of his body were now feeling very weird. Yet, the male nightfury managed to stay conscious and aware of himself and his surroundings. But the actual ordeal began only a moment later.

At first he thought his sight was tricking him, but he clearly saw the floor slowly getting farther from his face. He tried to lean his head down, but soon realized he couldn't move it as freely as he should. The helpless dragon tried kneeling, but his legs were suddenly way too rigid, far more than what he was used to ! He fell on his elbows, who bent in an unnatural way. Starting to get really scared, the nightfury glanced at his bent front legs, and saw how they've changed : longer, thinner forearm but thicker arm and shoulder, and the reason as to why his head wasn't as mobile as it should be became clear as well. His neck too was a lot thicker. And a little shorter. He whimpered in confusion, but the sound coming from his throat was nothing near what his voice should be. Deeper, monotone, and clearly less draconic. But his hearing wasn't the only sense that disturbed him, his sight also started to shift. His field of vision changed from exclusively his front to his sides, as, yes, his eyes were being moved elsewhere on his face, to the sides of his skull. His muzzle was elongating itself, and bigger nostrils flared at the end of it while his jaws morphed as well, his fangs turning into vegetarian teeth. While his head kept changing, his flanks swell fatter, more round and heavy, hanging lower to the ground from the bones of his frame which were also morphing to support the new weight. The little fins around Toothless' face gradually disappeared, as his ears grew a little longer, looser and thinner, and a pair of small horns grew above them from the sides of his shrinking cranial vault. All over the dragon's body, black scales were fusing with his dermis to then disintegrate, leaving a black naked skin soon covered in a short dark fur.

Toothless eventually managed to get up from the ground, and shakily stood on his paws. Or, by that time, former paws, as his claws and fingers were completely turned into actual hooves, both on front and hinder legs. Toothless turned his bovine head as much as he could to see with his own eyes the new shape he was taking. As he witnessed his long and strong tail shrinking into a ridiculous little thing with a puff of fur covering its tip, he lets out what was supposed to be a growl of confusion, but turned out to be a deep moan... the dragon was mooing. And now, one place in particular was feeling extremely odd. Between his hinder leg, he felt his most private parts both burning hot and completely numb. It made him moo deeper and louder because of all the stress this situation was making him accumulate. He felt his sheath and phallus, his testicles, sinking deeply in his body. A rift opened in the length of the shaft, as it was exposed right under his anus, and another hole formed there, digging deeper inside of "him". While this was happening, yet another new weight could be felt growing between these poor hinder legs. A sack of flesh, of a softer texture and more pinkish color, developed there, and four tips of skin emerged : pink nipples. By the time the numbness and intense warmth was fading away, a nice set of udders finished to form, and Toothless' balls, deep inside of him, fully finished their transition into ovaries.

The former dragon was powerless before what was happening to him. All he... she could do, was mooing of despair and anxiety. What happened to the last of the nightfury ? How was that possible ? When will she turn back to her original form ? Was this permanent ? What will Hiccup say when he'll see her like this ? Will he even recognize her ? It was harder to think with the smaller, less elaborate brain she now had. Yet, while her behavior couldn't help but to be more placid, almost apathetic, Toothless' self and emotions staid unchanged. Her little tail was flickering, her pupils, wider than in a dragon's eyes, were still tightened by the stress. And now, the poor cow was left all alone locked in the backroom, filled by her bovine lament. Within barely more than one hour, Toothless has been completely, both from the inside and from the outside, transformed into a female cow. Out of desperation, Toothless eventually fell silent.

Jarrus came back to the stables a a little less than two hours after having left Toothless in the backroom. He was almost over with his duties for the day, some things remained, but he was a little too worried about how the treatment went on the nightfury while he was away. He needed to check on him before being able to relax and call it a day. The stables were as silent as they were supposed to be by that hour, and he quickly made his way to the backroom. As soon as he entered though, the farmer froze.

Toothless looked at him right as he walked past the door frame, her bovine stare laying on the farm's owner. The first thought jumping to this one's mind was that his wife came here and moved the dragon somewhere else, to put one of the cows in his place. But he immediately knew that it couldn't be the case. These straps around the black cow's snout, those that fell off her back, supposed to be holding a pair of wings, the collar and the leash attached to the wall, the red prosthetic tailfin laying on the ground behind her... when he looked back into the green eyes of that unknown cow, he had no choice but to admit it, before him was the last nightfury, turned into a lowly female bovine ! She answered to the farmer's shock by a moo and a flicker of her right ear. She was way less agitated than just after her transformation, it seemed that the new shape of her brain made it easier for her strong instinctive reaction to not disturb her natural placidness for too long. But inside of her, she was still worried and feeling very weird about everything that happened. Carefully, Jarrus approached her, triggering no reaction from the cow. He moved a hand to her head and stroked between her horns in confusion « By Odin... how did that happen ? This is crazy. » He bit his cheek thoughtfully, and removed the straps from her snout. Those were useless now. She thanked him with a calm moo. The farmer then moved around her, checking her silhouette, he lifted her tail and she didn't flinch. He stopped for a few seconds here. « Yep. You're definitely a female now, Toothless. » He crouched and felt her shapely udders. Those would be perfect to be milked, he thought to himself before standing up again. He scratched the back of his head, his eyes locked on the transformed dragon.

« And what are we doing now. Tss, tss... this is all your fault. When you made me spill the serum on the floor, it must have been mixed with bits from my cows that were here before you. It wasn't supposed to do such a... blasphemy ! It should have made your aggressive sexual instincts less strong, it should have made you feel all better and nicer, but you had to be the dumb lizard you are. By the gods, I will always hate dragons, no matter what the others say. »

Toothless turned her head to look at him cluelessly. He looked back at her silently before sighing and shaking his head. He patted the rear of the black cow. « What am I going to tell your rider now, hm ? I can't lie to him, can I ? » The answer he got from her was a slow blink of her eyelids and long eyelashes. He glanced at her hips. They were the ideal shape and size to bear a lot of healthy calves. « He's going to be back anytime soon anyway, too short for my limited brain to come up with a decent story. I guess I'll just tell him everything as it happened. » He patted her flank once again as he walked to the wall, and detached the leash from it. He pulled against her collar, and she followed him. « C'mon. Let's at least put you somewhere better for you until then. »

The stockbreeder led Toothless through the stables and guided her to the fields. The transformed dragon, despite his seemingly obedient and bovinely apathetic demeanor, still could feel how wrong it was for her to be this way. But thinking too much about it was exhausting. She needed support right now, and surprisingly Jarrus appeared able to give her some. He was after all way more experienced with cows than with nightfuries.

Toothless was brought to one of the grazing fields, it was near the end of the afternoon, and the other cows of the farm were still out here living their life. Once in the field, Jarrus removed the leash from her collar and caressed her neck. « Don't worry girl, you'll be fine. »

The black cow looked around at the vast field of grassland, seeing the other cows in the distance, most of their coats being either immaculate or black and white. She smelled the wet air, leaned her head down following the scent of fresh grass, and instinctively took a bite from it. She chewed on it. It was feeling so right, so relaxing. The taste of the munched weed spreading in her maw, bits sticking on her square shaped teeth, the satisfying action of masticating, it made all her worries go away for the time being. She kept grazing, her tail swishing the air time to time as flies started to come at her. Jarrus observed her in silence a moment, somewhat amazed at how quickly she started acting just like any other cow. At least he could let her with them now, and go finish what he had to before he would have a tough discussion with Hiccup. And so he left, closing the fence's door behind him.

End of Chapter 1