Originally published May 8, 2017.
Contains: instant weight gain, brief animal transformation.
I’ve written a lot of stories inspired by fantasies I’ve come up with while “feeling myself”, if you will. But this is probably my first gaining story based on an idea that came to me in a dream. That dream involved a scene where a wizard turned a man into a mouse, then let the mouse loose in a mouse hole where the man had hidden a ton of food. His plan was that the mouse would gorge itself on the food and get so fat it couldn’t move, ridding the wizard of the man’s presence.
I didn’t know what to make of it when I woke up. I felt like I had to write a story based on the idea in order to exorcise it, or else it would haunt me. And when I thought about it, I realized there was something there: a mouse would require a lot less food to fatten up than a person. So if the mouse turns back into a person and he retains his proportional heft, you get more gains from less food.
In writing this story, I inadvertently completed a trilogy started with A Potion Fit for a Champion and Getting Fat on Conjured Food. Those stories also took place in a fantasy RPG universe and followed a warrior and a mage, respectively, as they got fatter. I wanted to write a story about a rogue who gets fatter, giving me one story for each of the classic three fighting styles in fantasy RPGs, but I couldn’t figure out how to make it happen. That is, until now.
Synopsis: Ren is a novice rogue on his first assassination job with his mentor, Kraz. They’ve been sent to kill a wizard, a job that Ren feels nervous about. That nervousness turns out to be justified, when the fight ends with Ren transformed into a mouse. After scampering away, the mouse finds a bunch of food scraps and starts gorging itself. All that food remains on Ren’s frame when he wakes up, once again a human, finding he no longer has the build to be an assassin.
“I dunno, man. Trying to kill a wizard just seems like a bad idea.”
“What do you think we’re going to do, challenge him to a duel?” Kraz quipped snarkily as he and Ren went to find their mark. “Of course it’s a bad idea. That’s why Lord Whoever is paying us to do it instead of doing it himself.”
“Why does he want Yrdesa dead, anyway?”
“Something something, blood feud, honor besmirched, possibly something stolen at some point. Look, kid, if you want to make it in this trade, you’re better off not asking a lot of questions.”
The two assassins walked in commoner’s clothes through the small town of Invener, where they knew Yrdesa could be found. It was largely an outpost town, where travelers stayed the night as they made their way to their destinations. Kraz had been watching their mark long enough to know he regularly traveled between the Mages’ Academy of Wildrun and his own residence, staying the night in Invener on his way. As sparsely populated as the town was, it seemed the best place to ambush him.
The two arrived around nightfall and checked the tavern where they hoped to catch Yrdesa after dinner. After peeking through the window, Kraz looked back to Ren and said, “He’s in there. See? The elf in grey.”
Ren looked through the window and saw an elf in a grey robe, his lavender hair flowing over it. Against his dark skin shone bright blue lines and runes, the signs of a powerful magic user. Ren felt even less sure that this was a good idea.
“Alright, let’s ditch these clothes and hide in the bushes until he comes out,” Kraz whispered.
“How long will that take?” Ren asked with a hint of annoyance in his voice.
Rolling his eyes, Kraz continued, “I don’t know, kid. But if you want to make it as an assassin, you better quit your blubbering and get used to the fact that it ain’t all glamorous.” As he ripped his shirt open to reveal his leather armor, Kraz asked, “You did remember your armor, right?”
“Of course!” Ren assured him, eager to make up for his poor show up until that point. He grabbed his shirt collar on either side and tried to open it the way Kraz had, only to rip a massive tear in it most of the way down, with all the buttons remaining fastened.
Kraz closed his eyes and took a long, strained breath. “I swear on the Gods, kid,” he whispered before slowly opening his unamused eyes. “If you hadn’t saved my life when that one job went wrong, I would have never let you tag along this far. Put that silencing poison on your dagger.”
The two men’s armor revealed just how muscular Kraz was in comparison to Ren’s lithe build. Ren supposed that size would come with time and experience. In the meantime, though, his lack of muscle only made him feel even more unsure about the job ahead of them.
When the coast was clear and no one would see them, the two crouched in the bushes by the tavern and waited for their mark to emerge. Ren could feel his muscles straining from the effort of maintaining his crouching stance, but he knew that adopting a more comfortable pose might give them away. By the time Yrdesa emerged from the tavern, Ren could feel that his muscles were too stiff to be very useful. He considered staying in the bushes to avoid getting caught, but he knew if he did that, Kraz would probably kill him instead.
As Yrdesa walked between them, Kraz and Ren locked eyes and Kraz nodded. Both of them lunged for their target, daggers in hands, with Ren not as slow on the pounce as he expected.
Not that it did any good. Yrdesa spun around with his hand up and sparkling, delivering a lethal dose of lightning magic to Kraz before his body fell limply on the ground, charred past the point of recognizability. As he lunged, Ren watched Yrdesa fling a white orb at him. Too stiff to dodge it, he felt it strike him, and was surrounded by light before everything went dark…
Yrdesa checked the body at his side for any movement before he turned toward the mouse that cowered where the assassin had once been. He was clearly the rookie of the two, and Yrdesa thought there might be some benefit in letting him live. With a swipe of his hand, he levitated the morphed assassin toward himself and held him in the palm of his hand.
“Listen here, assassin. I know you can understand me, even as you take the form of a common rat. I also know Lord Woyevar sent you because he’s still bitter about his precious amulet. When you turn back into a human, you go tell him that he’s never getting it back as long as he or his progeny live. He can hire as many assassins as he wants, and it’ll just mean more casualties that could have been avoided if he’d put his pride away for once. As long as I never see you again, you don’t have to be one of them. Do not take this show of mercy lightly.”
After his speech, Yrdesa levitated the mouse to the ground, as it lay frozen with fear until it’s paws hit the earth. Once they did, it darted away under the tavern Yrdesa had just left. With the body next to him not moving, and knowing his transformation spell would last at least until morning, he felt safe returning the inn to get some sleep. But first he went off to find a town guard; cleaning up bodies was their job, after all.
The mouse, meanwhile, scampered away until it found itself behind the tavern, where the staff left all the food scraps and other refuse. As mice are wont to do, it devoured as much of the food as it could get its tiny little paws on, gorging past the point of fullness until the outline of its stomach could be seen in its fur.
The mouse, being very new to being a mouse, lacked the hard-earned instinct to run away at the first sign of people. Thankfully, they didn’t notice the rodent as they tossed more food scraps in back, giving the mouse more to eat than it could ever finish in its lifetime.
Which was fortunate, because the mouse’s engorged stomach ensured it wasn’t going anywhere, and could only eat the food within its reach. But that was still plenty for it to stuff itself until its stomach resembled an orb more than the sleek body of a rodent. By then, the mouse had grown so full that even the excitement of fresh food couldn’t keep it awake, and it fell to a deep slumber as its body worked to digest that gargantuan meal.
Ren was awoken by the sounds of birds in the trees nearby. After feeling disoriented for a moment, he wondered if this was the afterlife. But the trees looked too similar to the ones he knew, and the building to his right reminded him a lot of the tavern where he’d waited to ambush Yrdesa. It seemed he’d survived the encounter. He wasn’t sure how, and he wasn’t sure how he’d ended up behind the tavern, but he was just thankful to be alive.
He was less thankful to have woken up with a bunch of food scraps beneath him. He could feel their slimy remains underneath his hands, which was enough to make him want to vacate his spot. Knowing he might also get caught, and that he’d likely be making his way home alone, he pushed his hands down and pushed himself up, ready to bolt out of town…
Only to fall back on the ground with a thud and an “Oof”. He tried to push himself up again, only to find he couldn’t push with enough force to bring himself to a sitting position, let alone a standing one. He wondered if this too was one of the Yrdesa’s tricks, until he looked down and saw the more obvious source of his problem.
Where there had once been a flat, featureless stomach was now a mountainous belly, so hefty that it had ripped itself free of the bounds of Ren’s leather armor. The straps had all snapped, and the seams had torn, resulting in a flap of leather that had once been the front panel draping pathetically over his belly like a napkin stuffed in his collar at dinner. In comparison with the size of Ren’s new gut, it looked more like a bib.
Once the initial shock wore off, Ren looked more closely at his new girth. Having come back to his senses, he was astounded at how he could have put on so much weight in one night. He supposed it must have been one of Yrdesa’s tricks, perhaps to keep Ren from making another attempt on his life. If that was his goal, Ren thought, then he had succeeded, because Ren certainly wasn’t going to be sneaking off to kill anyone any time soon.
Ren’s belly, pale and soft, spread over the ground around him to take up a space wider than his shoulders and towering well over his chest. His chest too had pudged out, the flat surface replaced with two substantial, jiggly mounds of fat. His arms had bulked out too, causing what remained of the sleeves of his armor to split at the seams as well. As he looked down, he could feel his new double chin compressing under his jaw.
Now that he knew what he was up against, Ren tried to get up more slowly, but it was no use. His bulbous belly pushed back against all his attempts to sit up, and he didn’t have the strength to push forward. After falling back on the ground, Ren lay back with his arms splayed to the side as he caught his breath.
Knowing he’d have to try something new, Ren wondered if leaning up sideways would be easier. He tried to roll into his side, but his bulging belly made even just turning in place more difficult. So he started rocking his belly back and forth, feeling the hefty mass wobble more and more as he kept pushing it. With enough momentum, it felt like it would eventually pull him onto his side, if he could just get it to sway far enough.
After a lot of swinging his belly side to side, Ren finally felt it come crashing down on the ground next to him. As he caught his breath, he could feel his flab jiggling from the impact, before it came to rest in a pile in front of him. Ren brought one arm up to give his exposed gut a few disbelieving pats, before he let it rest on the soft expanse. His new flab was supple and yielding under the weight of his hand, which sank easily into the warm mass.
“Gods, it’s too sodding early for one of you drunks to pass out in the trash.”
Ren froze, knowing he’d been discovered and was probably done for.
“And what in blazes are you wearing? Who are you trying to fool wearing leather armor? Looks like you’re too overfed for that set anyway.” With an aggravated sigh, the man continued, “Look, I’m opening the tavern around midday. You better be gone by then.”
As Ren heard the man’s footsteps round the corner, he breathed a sigh of relief at not being recognized. It then dawned on him that if anyone was looking for him, they’d be looking for a thin assassin, not a fat drunk. It seemed he’d been given a way out after all. He just had to get up to take it.
It took Ren a few tries, but by pushing himself up sideways, he was able to take a sitting position. Once he did, he gave his gut a few frustrated pats as he caught his breath. Looking down, he could see that it stuck out nearly to his knees, which were splayed far apart as his heavy belly pushed his thighs apart. Now that he was no longer lying down, it jutted out a good deal farther, like a giant sack of grain sitting in his lap that he had to lift as he got up.
Knowing he’d have to find a new method to stand up, Ren scooched his way over to the tavern’s wall. Leaning on it for support, his brawny legs pushed against his new weight until he could finally stand up. Once he was upright, he still leaned on the wall for support, until he was confident he could keep his stance on his own.
Ren took a short step away from the wall, unable to swing his leg very far beneath him. But that step was all he needed to know that just balancing all his new girth would be a challenge. With his arms out to the side to help him keep his balance, he wavered back and forth, trying to find his new center of gravity. Even once he did, each step took much more effort than it had before. He knew it would be a while before he got used to moving his new weight around, and he didn’t look forward to the trip out of town that awaited him.
“So much for being an assassin,” Ren mumbled to himself.
The Plot Thickens 
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