Dimorphic Disaster

Story by serophous on SoFurry

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Kingdead and Marshy are their own characters.

A thief breaks into a secret lab for a simple job, but must soon deal with the cities hero.


The streets were mostly deserted on a Memorial Day night, save for the usual homeless fur and late night driver on the road. No one could see the slim shape darting from shadow to shadow, before leaning about against a brick wall, checking outside the ally to make sure no one was coming.

Above a security camera was slowly turning towards the shadow's way to scout, but a quick display of a device and a press of the button sent it back the other way, looping the video feed.

Using said device, the figure pressed it against the digital lock, letting it scan before an audible click was heard. Quickly the figure slipped inside, letting the door click shut once more.

From there it was moving stealthily through the facility, having memorized the guards patrol timing and habits from early studying, and making sure to hide in the cameras' blind spots.

Finally, the figure came to Lab Room 243 and slipped inside.

The room was filled with beakers and machines in shut down mode, everything neat and tidy, ready for tomorrow's work. The shadowy figure however, was after only one thing though, and came across a very seal and secure safe device. Pulling out the device once more, the thief began to let it do its work, trying to crack the code. This was going to take a bit longer, due to the safe's stronger encryption, but that collie had promised this would work, and she would be well rewarded.

Finally, the device beeped, and the door began to open. Quickly stuffing the device back into her pocket, the thief opened the door to see some silvery gun device with three vials next to it going from blue to green to red.

The thief quickly grabbed the gun and the three vials, starting to put them into her bag before the door to the lab opened, and a light passed right over her.

"Hold it right there!"

The thief didn't know what to think at first, taken by surprise that her calculations was off! Wait, this guard wasn't the usual guard! Something must've happened to the other guy! No wonder!

Cursing, the thief, dove to the side as the guard fired, missing. But he immediately pressed the emergency button to alert the rest of the crew. He didn't see the thief in time as she quickly shove him into the wall and ran out the room, closing the door behind her and hearing it lock.

The who facility was blaring red now, as she could hear the doors locking, and gates beginning to slide shut. She knew Alkali labs were high security, but she didn't expect solid steel barriers closing down halls!

Footsteps of more guards were heading her way, but there were no windows to climb out through, nor any other paths to take that lead outside. She looked at her bag and the device inside it, sighing. She was probably going to lose some of her pay for this, but better than being caught.

The guards slowly began to move down the hall, weapons drawn as they approached the last area where the thief was headed. The leader gave a signal for them to hold up, hearing a strange noise around the corner. He approached slowly and leaned against the wall before jumping around and pointing his gun down the hallway.

"Freeze!"

His fellow guards watched in horror and disbelief as a massive black paw grabbed him around the head and threw him back against the wall like a rag doll. The others watched in horror as the black paw grabbed the corner and pulled the rest of the figure forward, revealing a growing red vixen, her clothing straining to contain her still expanding form as she smirked down at the small guards.

"What's wrong boys? Don't you know its rude to stare at a lady?" She grinned.

"F-fire!" One of the guards yelled, pulling the trigger to his gun. The bullet just grazed her arm, causing her to wince. She was still too small that they could do some real damage to her.

The rest of the guards followed and a hail of bullets came after the vixen, but with her new size and strength, she broke through the nearest wall, having to now duck her head to keep it from hitting the ceiling as she kept on going, trying to find her way to the exit.

It was after the fifth wall she stopped and took a moment to look at herself, seeing that not only was she getting bigger, but her muscles were way more defined than before. She couldn't help but grin as she flexed at the strength, then even noticed her bust was at least a cup size larger too.

"Not bad. If I wasn't being offered money for this stuff, I'd keep it for myself!" She smirked, making her way through the walls once more, till she had to crawl on her hands and knees just to fit inside the room.

At least thirty feet tall now, the vixen punched out the next wall, seeing she was finally home free and outside. She quickly stood up grinned, before realizing how an increased bust size and overall size made it very cramped in an alleyway.

She had to move sideways through to finally get out onto the street, before seeing a blockade of police vehicles at each end of the street.

"We got you surrounded! Put your hands up and surrender!" One of the cops spoke through the megaphone. The vixen smirked before leaping on top of the lab building behind her, even as the bullets shot after her, giving her a bit of a sting. Luckily her hunch turned out right, the building being sturdier than others and held her weight, if barely, as she made it over to the other side, landing with a thoom.

She could finally feel the growth ending though, capping her out around fifty feet tall now, the vixen crushing cars under her feet as she ran down the street, trying to put enough distance between her and the scene before...

"Halt criminal!" The vixen stopped in her tracks as she groaned and looked behind her, seeing an equally large, if not slightly bigger, foe behind her.

"Ugh, not you...QueenDead" She groaned seeing the giant wolfess super hero standing against the moonlight, trying to look heroic.

"Come quietly Marsha before you cause any more destruction!" The wolfess slowly began to move towards the vixen, who only smirked and continued to back away.

"Oh come on Queeny. You know how this goes. We play cat and mouse, you trip over your paws, and I escape. So lets just cut out the middle and-" She didn't get to finish before the wolfess was already tackling her.

"You forget Marsha! You're my size now!" She smirked before slamming the vixen into the pavement, causing her to gasp and feel the ray hidden in her bust bounce around.

Wait a second...the ray!

Marsha struggled as QueenDead tried to keep her arms pinned, but despite the fox not being as lithe as before, she was still able to bring her knee up and push the other canine off, rolling free. Marsha quickly pulled out the device, despite it being so small, and someone managed to get the yellow vial inside it, before the wolfess was upon her once more. The vixen dove out of the way, knocking out the front of building before aiming the ray at herself and firing with her claw tip.

QueenDead skidded to a stop, tearing up the asphalt and crunching some cars before turning back to the vixen, jumping once more.

Marsha was in too much shock from the next shot to even notice the wolfess, getting knocked into the building and pinned once more.

"Alright scum. Now you're..." The wolfess stopped and blinked before noticing the vixen underneath her was starting to swell even larger now, a dastardly grind on her face as she quickly sat up, throwing the wolfess off and down between her legs.

Marsha smirked as she saw her muscles swelling even more so now, bulging tighter and larger, looking more and more like a body builder now as she reached down, barely seeing the wolfess super hero over her increasing bust size as she grabbed her by the red cape, lifting her up to her own face.

"Now I'm what pup?" She snarled, watching as the wolf seemed to continue to "dwindle" in her grip.

QueenDead grunted and swung, able to catch the vixen on the snout, causing her to wince and drop the wolf in pain, gripping her nose. She had forgotten about the super strength!

"You know what they say Marsha! The bigger they are, the harder they fall!"

Marsha let go of her nose to see the hero wolf growing right before her eyes as well, before matching her new height already.

"Curse you!" The vixen snarled before taking a swipe at the hero, missing and going right through the next building, now barely thigh high to her. The two growing titans were already passing 100 feet now, and going as the rest of the nearby area was being told to evacuate.

The two continued to battle back and forth as their sizes increased, the vixen's own strength was starting to match even the hero's now as the formula worked through her system. But it wasn't long as she neared 500 feet that she felt the last zap already starting to fade, leaving her at the wolfess mercy.

"Are you ready to surrender Marsha? You could never defeat me!" The wolfess proclaimed proudly with her hands on her hips, smirking at the vixen. She was right of course, the thief was never meant for hand to hand, but just to slip away. But now that they were on equal footing, she could never slip by this wolf. Unless...

Quickly thinking, the vixen used the last vial in the device, and charged the wolf this time, knocking her over. QueenDead, not expecting such a move, was completely caught off guard and landed hard on her back, before the vixen shoved her palm into the wolfess's mouth and jumped off, running off once more.

"Oh no you don't!" The wolfess bellowed and quickly got to her feet taking a step to go after. But something felt really off now. Her whole body felt overheated as she began to pant and stumble a bit after. Her whole body felt on fire and full of energy like she had to...had to...

QueenDead quickly blinked and looked down to see her own body starting to swell quickly up in size and bulk, yelping as if her growth powers were being sent into overdrive.

"What trickery is this!" She gasped out, even as her own bust began to swell quickly and larger than she had even seen before. At this rate, she was going to put the vixen to shame!

"As you said QueenDoofus. I was on your level and couldn't escape, so I just made it how it always was!" The vixen laughed as the wolfess tried to follow, but only ended up stumbling into another skyscraper, completely crushing it with her immense breasts as she continued to rocket into the sky.

Even as she got back onto her feet, her paws were already starting to encroach onto the nearby apartments and grow into them. Her muscles were starting to swell so large as well, limiting her mobility even more so as she groaned, trying to concentrate and control her own growth, but to no avail. She could no longer even see past her breasts now, but she could look up to see the local news helicopters trying to fly higher and further away from the expanding wolfess to not crash into her increasing size.

But at least now she cough see the vixen still, though now much comparably tiny as she growled. She wasn't getting away this time! With renewed determination, QueenDead instead began to help her growth on and swell even larger, even faster, exploding past 1500 feet before taking a step, and tripping over her paws...

Marsha laughed to herself as she ran down the street, leaving paw craters in her path. That wolfess was never going to catch her at this rate! That's when she noticed the looming shadow cast over her, and looked back to see a truly immense wolf coming at her. Or rather, a truly immense wolf rack coming straight for her as the hero once again tripped over her own paws, and was falling straight towards her.

Marsha's ears flattened against her skull as she looked up in defeat, before being flattened.

Once the growth finally subsided, QueenDead sat up as best as she could, looking at the crater left by her ultimate boob smash. Now over 3000ft tall and swollen so much with muscle that her head started to look small, she watched as a tiny copter flew into her view, the police chief talking through a megaphone to get her attention.

"Good work QueenDead! Though you did manage to wipe out all of downtown as well!" He grumbled.

"I'm sorry sir, but she got away!" QueenDead whispered as low as she could.

"No she didn't QueenDead! You caught her, we just need to peel her from your uniform and get her, and you, back down to size. We already have the owner of the lab working on a fix. So hang tight!"

"Thank you sir!" The wolfess beamed, wagging her tail and knocking over a few more buildings, before stopping and blushing.

"Sorry bout that..."

Mean, in a darkened room, the nightly news played, showing off the massive chase scene and the wolfess expanding out of control. A white furred hand raised the remote and turned off the screen, before heading to a nearby wall. There, a secret panel was reveal and a code entered, revealing a strange futuristic computer monitor with multiple buttons and settings.

Pressing one brought up a blue and white collie onto the screen, looking rather annoyed.

"What is it now?" He gruffed, putting down his own project.

"I'd thought I'd let you know how the plan went." The female figure spoke.

"And? Did it?"

"All as we planned. The vixen broke in, used it on herself, and we got the real test of the mega extract on a hero with growth powers. I'll forward you the feed and results taken during the whole thing."

"Excellent. I look forward to the results." And with that, the screen went dead. The figure turned around and put a hand through her long hair and floppy ears. It was a pain to talk to her alternate self, especially when he seemed so angry all the time. Course, she had some anger issues as well. They were the same fur of course.

The blue and white female collie chuckled and decided to head home after a good night. Not only did they get the results they wanted, but even her own competitor was given a set back. Perhaps this partnership wasn't such a bad idea after all.