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Harry Potter & the Draught of Vigour

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So this is a story I decided to write on a whim as an excuse to procrastinate from coursework I'm supposed to be doing that is very very loosely connected in some way to this, which is how I justified to myself wasting a couple of hours on it. In any case, I hope you enjoy it and I hope I don't offend any Potterheads on the forum (seriously, please don't execute me, I just thought the magical premise lent itself well for muscle growth stories) and instead I hope you appreciate the nods and references here and there. As always, feedback is always welcomed.

 

 

HARRY POTTER & THE DRAUGHT OF VIGOUR

 

 

 

 


Harry: Longbottom!
Neville: Hello Harry *He says in an unamused yet friendly tone*
Harry: ah it’s good to see you mate *Harry replies while patting Neville’s back*
Harry: well come on, come in, it’s chilly outside isn’t it?

It’s been 2 years since the Battle of Hogwarts, and former Hogwarts colleagues Harry and Neville had gone on to start the following chapter in their adult lives. They had remained friends after Hogwarts and Harry had invited Neville over for a Saturday night of eating terrible food and indulging in the stories of their lives.

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Harry: hahahahaha.
Neville: you don’t have to be such knob.
Harry: *laughter trailing off* well you are correct that it wasn’t the nicest gesture, however, I honestly wasn’t aware that it took till the following morning for someone to find you on the common room floor.
Neville: well it’s not as if I could undo Hermione’s curse on my own.
Harry: at the very least that act of bravery is what won Gryffindor the House Cup during our first year, so cheers to you sir. *raises his wine glass*
Neville: it does feel quite nice being acknowledged by the ‘chosen one’. *he says in a sarcastic tone*
Harry: sod off.
Neville: what a time to be alive though, despite the second wizarding war.
Harry: a lot of things have changed, a lot of people have changed, I was taken aback when I came across Luna again the other day, she’s still quintessentially Luna though. Oh! *Harry half-jogs to another room*
Neville: what are you doing? *hears rummaging*
Harry: digging this out *Harry appears back in the room with a shoebox
Neville: what do you have in there?
Harry: all kinds of stuff from back in Hogwarts *Harry says while sticking his arm further and further into the shoebox
Neville: where is your hand going? *Neville said, perplexed*
Harry: oh this? I asked Hermione to put an extension charm on this box to store a lot of my old things. Incredibly handy, but why can’t I find those photographs? I have a couple of albums from our time at Hogwarts.
Neville: maybe you have too much stuff in there, let’s take some of them out.
Harry: Alright, here *Harry said as he started passing items off to Neville*

After a number of things had been pulled out.

Neville: okay let’s take a break, now. You really ought to clean that thing once in a while, this all can’t be absolutely necessary anymore.
Harry: they are memories, some great, others torturous, but memories nonetheless.
Neville: really, this is a memory worth keeping? *He says while holding up a 6th-year Herbology textbook* Did you ever even use this?
Harry: I don’t believe so, it was around the time everything started falling apart.
Neville: why is it so tattered already then?
Harry: I’m not sure... *Harry says while taking the book from Neville and turning open the cover* ‘This Book is the Property of the Half-Blood Prince’ *Harry read out*
Neville: The Half-Blood Prince?
Harry: it was Snape’s pseudonym, I used his copy of Advanced Potion-Making during my 6th year as well and it had all sorts of changes to potions and spells he developed on his own in them that improved upon the ones in the book.
Neville: You arse, so that’s how you did so incredibly well in that class. You could have passed the knowledge along.
Harry: well not every spell in there was for good. I am very curious to see what he came up with in Herbology however *Harry said as he started to skim through the pages of the book as Neville leaned in as well to see*
Neville: wow there are so many notes written in the margins.
Harry: it was the same with his Advanced Potion-Making textbook, the man was a bloody genius.
Neville:draught of vigour, enhances exponentially the physical strength of the person who consumes it, a single sip causes.....e..t.......opp......i....ex....t....e’ *Neville read on a page they came across while going through the book* I can’t read this part, it’s smudged. ‘...sulting in magnified male physical traits
Harry: well I believe the rest is rather clear, I think that bit simply went into more detail as to how it happens.
Neville: magnified physical traits and enhanced strength, rubbish, it sounds too good to be true.
Harry: this is one of Snape’s potions though, THE Severus Snape, it must be real.
Neville: how come Snape never fit the description of someone who drank this potion then?
Harry: it was Snape, do you really see him walking around resembling Hercules considering his personality?
Neville: you’re not wrong.
Harry: it’s most likely also temporary.
Neville: what makes you think that?
Harry: the ingredients, I know some of them are used in brewing Polyjuice potion, and that only lasts a couple of hours. It might be a variation on a transformation potion?
Neville: isn’t Polyjuice brewing restricted?
Harry: I have plenty of stories to tell *Harry says with a smug look*
Neville: well that’s apparent.
Harry: should we try it?
Neville: are you sure about this? Trust a potions recipe a random student came up with?
Harry: it’s a potion Snape came up with, the potions master Severus Snape.
Neville: are you sure this Half-Blood Prince character was Snape?
Harry: how do you think I won that bottle of Liquid Luck back in the day?
Neville: blimey Harry, that’s how you bested the mighty Hermione?
Harry: I’m telling you, his notes would make Slughorn green with envy.
Neville: so... enhanced strength you say....

Harry just smirked in response.
Neville, luckily for Harry, excelled at Herbology, and had the ingredients at his disposal, he loved to collect samples of even the rarest plants and fungi he could get his hands on, so they locked up and made way for Neville’s apartment for a night neither is sure to forget.

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Neville: leave your coat wherever you like, could you start a fire and prepare my cauldron for me?
Harry: certainly *he said as he lit a fire and reached for the cauldron* Wow, an Induro 1816, this is a high-quality cast bronze cauldron, with lion head handles and custom engraving.
Neville: keen eye. I inherited it from my great- great- grandparents. Catch Harry.
Harry: got it *Harry said, catch the jar Neville had tossed him* Got everything we need?
Neville: yes, are you sure we should do his?
Harry: just imagine the possibilities.
Neville: very well.

And so Neville undertook to brew the potion while Harry read him the instructions and recipe:

                           Add 4 leeches to a bubbling cauldron.....
                           ...........
                           ....... stir counter-clockwise exactly 55,5 times without............
                           Shred the......
                           Then pour in 
spoonfuls of ground tuberose until the potion turns a pale....
                           .....................
                           ....occasionally..........
                           .........
                           Add 3 drops of Mandrake sap and wave your wand to.......
                           ........... while adding
....
                           ......
                           Let boil for an hour and proceed to add a bundle of knotgrass.....
                           .................thus allowing the mixture to...............
                           Add a Devil’s Snare vine with......
                           ....................
                           Finally, stir 6 times clockwise and twice counter-clockwise while simultaneously waving your wand until the mixture ceases to bubble

                           and add 10 leaves from a Whomping Willow, one at a time. The resulting draught should be white in colour, having the consistency of
                           
troll mucus and an aroma reminiscent of damp mossy forest and tanned leather.

Neville: *sighs out in relief* It’s finally done.
Harry: *sniffs over the cauldron* What a very specific smell, mossy forest and tanned leather.
Neville: I don’t have a problem with the smell as much as I do with the way it looks.... doesn’t it remind you of....
Harry: I thought best not to mention it *Harry quickly interjected* But I’m glad to hear I wasn’t the only one with it in mind.
Neville: are we sure we want to try this? *Neville said with a dubious look on his face as Harry poured them both a cup of the potion they had just brewed*
Harry: cheers! *Harry clanks his cup against Neville’s as they both down the concoction*
Neville: wow *he coughs a bit*
Harry: that’s bloody awful, it’s like a stale minge 

Neville started to feel the effects of the potion first, he felt a dizzy spell coming on, he struggled to breathe and felt really agitated and disoriented.
At the same time Harry was starting to feel tingling all over and broke out in a cold sweat, his heart was racing, he felt as if 
a bout of nausea was about to overcome him.
Feeling ill distracted them from noticing some of the other effects of the potion that were becoming more noticeable; their veins were engorging, becoming fatter and more prominent on their skin as main veins spread into countless branches all over their bodies. Then their hearts started to pound, harder and harder, reverberating in their heads, their veins pulsing in unison with the heart beats. 

Harry: fuck, fuck, FUUuUCK *Harry screamed as the growth kicked in*

With each pulse through his veins, his muscles started to swell. First only a bit at a time, slowly filling his sweater, causing it to fit his body in a much more complimenting way. Then suddenly his left arm jerked into the air and starting from his deltoid down to his biceps and triceps, then finally his forearms his muscles swelled, growing twice their size in an instant, tearing the sweater sleeve apart. As the feeling rocked Harry down to his core and drool ran from his mouth in absent-minded ecstasy, the growth started to spread to his right side, his left pec, trap, neck and lat swelling bigger, and bigger with each breath until another violent jerk made them and his entire right size explode in size in a wave that raced towards his fingertips, catching up to his left arm, destroying the remaining sleeve and neck of the sweater, the leftovers falling down to the floor revealing his (currently) disproportioned body.

At the same time, Neville was undergoing the same transformation, he grabbed his head with both his hands as his body pulsed and grew until his shirt and trousers were taught. Then as the growth rocked through his lower body, first through his right glute, then his quad, and finally his calf, ripping his pant leg to pieces and forcing him to lean onto his underdeveloped left leg until the growth targeted that one as well, the sudden growth on that side now causing him to lurch and collapse on to his knees, when his already muscular legs doubled in size once again, forcing him to use his hands on the floor to steady himself while his trousers left this world behind, and revealing a pair of boxers that were desperately trying to contain something very large that was growing thicker and stiffer.

Harry’s growth meanwhile had started to make haste travelling downwards, his abs and obliques bulging one by one, and a deep Apollo’s belt forming on top of his hips giving him a thick and meaty core, this was followed by his glutes bulging outwards, blowing the middle seam of his jeans right open. 
Neville in the meantime was screaming to high heaven as the growth spread through him much more violently, rushing upwards making his entire upper body bulge in size, then again, then again, then one more time tripling in size in a wave of growth that knocked the air right out of his lungs, his upper body becoming ridiculously wide while maintaining a relatively trim waist, that spread into his massive legs when your gaze travelled further downwards. At the same time, his cock, fully erect and poking out the top of his boxer’s waistband and his oversized balls which stretched the rest of the fabric to its max, were growing with each wave of growth that rocked him as well, his cock grew purple and the veins became grotesquely engorged, and then one wave and the cock stretch longer and swelled thicker, and his balls swelled larger causing tears to come from his boxers, then again even larger, then once again, when Neville’s underwear finally gave out and he moaned in ecstasy, his cock lodging itself between his enormous pecs, eliciting an obscene moan from him as it swelled one last time becoming menacingly thick and squirting out a large glob of precum. 
At the sight of his ridiculously muscled and well-endowed friend arousal overcame Harry like a feral animal’s instincts, the tear in his jeans’ rear spreading towards the front of the pair of pants as his growth sped up, his cock tearing right through everything bursting forwards in all of its glory, freakishly large and as thick around as a bodybuilder’s arm, although even then not as thick as Neville’s. It smacked hard against his abdomen with a loud and wet *THWACK*, drooling precum like a river. The growth continuing down his legs, destroying what little denim had remained desperately hanging onto his frame.

When it seemed as if any more stimuli would fry their young brains, the effects of the potion finally started to subside. The profuse sweating stopped, and they slowly started to regain their bearings.

Neville: Christ *Neville said as he began to stand up*
Harry: bugger, that was a wild ride.
Neville: you can say that again.... holy shit Harry... *Neville said as the sight of his newly enhanced friend finally registered in his brain*
Harry: Looks good huh? *he said as he strikes a double bicep* Although I can’t say I dislike my view.
Neville: what are you talking abou.... *Neville’s words trailed off as he took in his own physique, exploring all his new glistening muscles, flexing here and there* Wow 
Harry: I don’t think it’s quite fair that you got to have this thing though *Harry says, lust and envy tinging his words and coming through in his eyes as he grabs Neville’s bigger cock*
Neville: FUCK! Harry what the... SHIIiiiiIT *Neville tries to get out as Harry swallows his cockhead in one fell swoop, Neville instinctively pushing Harry’s head down further, forcing his monster cock down his friend’s throat with his newfound strength* yes yes yes, fuck YEAH!
Harry: *cough cough cough* down boy, that thing can kill now, although I know of another hole that’s up to the challenge *Harry says as he bends down, laying his chest on the table nearby, presenting his rear to Neville*

Neville without saying another word walks over and ploughs his cock into Harry’s ass down to the hilt prompting a guttural roar from Harry that quickly transitioned into a lascivious moan as Neville pulled out halfway and plough back in again this time with a tad more care into his actions. In and out, again and again and again, he rammed his massive cock into Harry. Flipping Harry halfway on to his back, Neville pulled out all the way then rapidly ploughed halfway into Harry making him grunt, he pulled out again, then rammed it in again halfway, repeating this a few more times before getting back to fucking Harry like he wanted to kill him. As he came closer and closer to his climax Neville picked up the pace and the strength with which he rammed Harry, he fucked faster and harder, and harder and harder and even harder, pushing Harry to the edge himself until they both yelled out in unison when Neville rammed him one last time, him coming into Harry and Harry shooting his load into the air where it then came down pouring like torrential rain unto them and the table.
As they came down from their stupor they started to slowly shrink back.

Neville: oh man, it’s not permanent? No! I wanted to stay like this.
Harry: haha well then it really would be too good to be true if it were permanent. Besides, there is only so much of your animal fucking that I can take before I die.
Neville: that’s not really my problem now is it *Neville said trying to be smug, his façade slipping just a bit as his cheeks blush pink*
Harry: look at him, all that hot air filling your muscles went to your head?

After about half an hour of slowly shrinking down, they stopped shrinking at a good 8kg (18lbs)  heavier than they were prior to drinking from the draught.

Harry: hmm I guess there is some carryover from the potion after all, or it just takes longer for the last bits to leave our systems.
Neville: well I did enjoy being the hulking beast, but I suppose I can live with this much *he says while flexing his arm and admiring his new above-average bicep*
Harry: well.... as you are aware, we did brew a whole lot of the draught of vigour, there is always more experimentation to be had, we should figure out if this amount of extra size will be left over after every use don’t you think? *Harry says in a sensible tone*
Neville: as true men of the magical sciences we should be methodical shouldn’t we now? *replies Neville in the same tone*
Harry: you always were a very reasonable man *says Harry as a smirk appears on his lips*


-- The End --

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Shelby

Really enjoyed this thanks - especially as I am imagining Nevil in his final "longbottomed" state as the hunk who had to hide his looks for the film

 

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DPump
4 hours ago, Shelby said:

Really enjoyed this thanks - especially as I am imagining Nevil in his final "longbottomed" state as the hunk who had to hide his looks for the film

 

That was the idea :D making him even hunkier

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