"Kacchan!" - Speech

'Izuku!' - Thoughts

"I AM HERE!" - All Might Speech

"Detroit Smash!" - Special Technique Usage

Beta'd By BigCC

Chapter 1: Birth of the Silver Flame

Quirks. The unique and varied abilities granted by the Quirk Factor that had sprung up among humanity and spread wide across the planet. Over the two-hundred and fifty years since the first Quirk showed itself in Qing-Qing, China, Quirks had become the sign of normality. Roughly 80% of the world's population possessed a Quirk of some description, ranging from something as weak and simplistic as being able to glow in the dark or having lighters for fingers to being able to control the elements and strength capable of levelling buildings with a single blow.

In the centuries that followed their emergence, Quirks would be categorized into three main categories: Emitter, Transformation and Mutation. Many subcategories and hybrids would come to exist within those three principle categories, but those three would remain as the basis of Quirk Classification

On the other hand, the remaining 20% were without a Quirk of some description, although as time passed that number would fall lower and lower. Still, the life of a 'Quirkless' individual was never easy. Even if someone was an exemplary person in mind, body and deed, to be without a Quirk was to invite discrimination, heartache and ridicule upon them.

Among those who possessed Quirks, the dream occupation for many was one previously thought to be the subject of comic books and movies...heroes.

One boy in the city of Musutafu, Japan, longed to be a hero above all else. In many worlds, this boy would end up as one of the Quirkless and suffer from anguish and heartbreak from that fact. In the world shown here, however the former is not the case...but the latter is.

2XXX

Streets of Musutafu, Japan

"C'mon, Izuku!" a young blond-haired boy, about four years old, called out as he ran along the street. Bakugō Katsuki looked back impatiently as a green-haired boy of roughly the same age followed him at a run.

"I-I'm coming, Kacchan!" Midoriya Izuku panted as he caught up to Katsuki. "Y-You don't have to run so fast!"

"If we went as slowly as you walk, we'd take forever to get to the park." the other boy retorted as he rolled his eyes, but he did moderate his pace somewhat. "I wanna show you my Quirk somewhere isolated, because it's loud and flashy!"

"Y-You have your Quirk?!" Izuku's eyes almost popped out of his head in astonishment before seemingly to sparkle in excitement. "Let's go then!"

"Shoulda known that'd get you moving." Katsuki rolled his eyes again. He had known Izuku since they were two and was used to his obsession with Quirks, always eager to ask questions and find out all the details on what they did and how they worked. Truth be told, he himself was excited about his Quirk. If the doctor was anything approaching correct about it, he was almost certainly going to be a hero when he grew up.

The two boys made their way to the park near their homes and searched for an isolated place to let Katsuki show his friend his Quirk. At length, they found a clearing and Katsuki turned to his eager friend.

"The doctor said that my Quirk's a perfect mix of the old hag's [Glycerine] Quirk and my old man's [Acid Sweat] Quirk. He said they syn...syn...mixed really well." he explained. "I'm gonna call it [Explosion]! That's because I can do this!"

Turning, he clenched one hand and caused a small popping explosion to erupt from the palm of his hand. It was barely as powerful as a firecracker, but it still made Izuku clap in excitement.

"That's awesome, Kacchan!" he exclaimed excitedly. "I hope my Quirk's as awesome as yours when I get it!"

"Heh!" Katsuki puffed his chest out in pride at his friend's praise. "Damn right my Quirk's kick-ass!"

The boys spent several hours happily chatting about Bakugō's new Quirk, the blonde bomber eagerly showing it off and his green-haired friend spouting out every idea and theory about it that popped into his overactive mind. Eventually, they had to head home though. It was a journey of no more than five minutes to Izuku's home, one that the two young friends had made countless times before. On any other day, they would have been safe. That day, not so much.

It was literally just a minute away from the apartment that Izuku shared with his mother that things went wrong. An enormous reptile smashed through houses nearby, ploughing straight towards the two. The reptile was the size of a bus, had silver scales, three draconic heads, a long and sinuous tail and wore the torn remnants of jeans and a t-shirt, the super-elastic fibres that made up most clothes worn by Transformation Quirk barely holding together under the strain .

"START RUNNING, FUCKING BRATS!" the middle head roared.

"OR I'LL CRUSH YA INTO PASTE!" the left one continued.

"SCRAM!" the right head growled.

Being the sensible and bright boys that they were, Izuku and Katsuki turned tail and started running while screaming at the top of their voices.

"HOLY SHIT!" Katsuki yelled.

"WHY IS IT STILL FOLLOWING US?!" Izuku screamed as he ran like a monster was after him...which was still the case.

As Izuku had pointed out, the lumbering beast (which was probably someone's Quirk running amok) was still following them, deliberately moving slowly enough to not catch the two kids. It was clearly toying with them.

"Son of a bitch!" Katsuki swore. He had only just recently learned some of the swear words from listening to some late-night TV shows while his parents were out on dates, but he was already putting his newly expanded vocabulary to good use.

"Ack!" Izuku yelped as he tripped and fell over, sprawling on the ground with a yelp of surprise and pain.

"Izuku!" Katsuki shouted, and was about to skid to a halt when a cry from Izuku made him do that anyway.

"Run, Kacchan!" Izuku was scrabbling to his feet as he spoke, but the monster was almost upon him. "Get away!"

"Like hell I'm gonna run and leave you behind!" the boy roared in fury after a moment of pure shock. He started running back to help Izuku, but the dragon-like monster was on the green-haired boy before Katsuki could move more than two paces. Rearing back, a reptilian sneer on all three of its faces, the dragon monster moved to squash Izuku beneath one of its large clawed feet.

Time seemed to slow down for Izuku. Flashes of his short life seemed to flash past his vision before he screamed in terror and desperation.

"MOMMY!"

An instant later, the leg of the dragon was blasted back by something, sending it staggering away from Izuku before it managed to regain its balance.

"WHAT!?" all three head roared in a mixture of disbelief and pain. Then it looked at Izuku and its jaws dropped.

Izuku stood bawling his eyes out in the middle of the street. Surrounding him was a veritable conflagration of fire...silver fire, which had a distinctly liquid appearance, pulsing and flowing around him like a waterfall in reverse. Despite its liquid appearance, the amount of heat the silvery substance was putting off definitely felt like fire.

Extremely hot fire to boot.

Katsuki, who stood frozen at the sight of what had to be his friend's first Quirk usage, couldn't help but smirk a bit at his friend's sudden display of power. The very first time he was using his Quirk and Izuku sent something the size of a bus staggering.

As expected of the best friend/sidekick of Katsuki Bakugō!

"WHAT ARE YOU, BRAT?! DIE!" the dragon roared before breathing fire at the boy. As the flames clashed together, the regular orange flames of the three-headed dragon actually seemed to struggle against Izuku's silver flames. Even so, the fire of the older being gradually pushed back against the boy's newly awoken Quirk.

Seeing this snapped Katsuki out of his fugue. He had to help his friend!

"Izuku! Open your eyes, dammit!" he shouted. "Fight back, push back and send that oversized gecko bastard packing!"

He was talking out of his ass here; he had no clue if that was what flame Quirk users actually did, but he had to say something!

For his part, Izuku temporarily stopped crying and cracked an eye open. Seeing the imminent fiery death approaching him, he squeaked in fear and followed his friend's advice in his own way. Thrusting his hands out, he screamed out, "STAY AWAY!"

Seemingly reacting to its creator's panicked intent, the silvery fire suddenly shifted, flowing like water to pool and gather itself more tightly around Izuku before barrelling back toward the orange flames. With a purpose now guiding them the silver flames quickly began overwhelming and seemingly devouring the normal fire, growing more and more as it pushed the orange fire back toward its draconic creator.

Unfortunately, Izuku was flagging. Having only just awoken his Quirk, he had no practice with it and little to no control over it. However, survival instinct and adrenaline were wonderful things, and they kept the young boy going, knowing that his own flames were the only thing keeping the dragon-thing from killing him.

'Where the fuck are the heroes?!' Katsuki thought in a fury. Really, what kind of pansy-ass hero let a three-headed dragon run rampant all over town?!

Just as Izuku collapsed to his knees, teetering on the edge of collapse, a mighty voice boomed out across the street.

"California SMASH!"

An instant later, the dragon monstrosity buckled and collapsed and an immensely powerful blow slammed into its back from above, cutting off its breath attack and making it gurgle and screech in pain. It also allowed Izuku's flames to surge forth and slam into the silver beast, covering its middle head in silver fire.

"Texas CLAP!" the voice shouted and in the next instant, Izuku's flames were extinguished in an instant, with three sharp and lightning swift blows following less than an eye-blink later to knock the monster out cold.

"Wh-whaaa...?" Izuku slurred as he looked up.

Standing atop the silver three-headed dragon was a strongly-muscled man wearing a blue, red and white bodysuit. Blond hair turned into a pair of long tufts at the front which swept back over his head in a distinct v-shape.

"There is no need to worry further, citizens. Why, you ask?" the man said. "Because I am here!"

"A-All...Might...!" Izuku managed to get out before he fainted; utterly exhausted from the stressful awakening of his Quirk and the life and death battle he had just endured.

"Izuku!" Katsuki shouted and charged in to just barely catch his friend as he started to fall backwards.

He wasn't any less of an All Might fan than Izuku, but he had both more self-control and better priorities. Check on his friend first, awe over the man he'd one day surpass later.

With All Might

Yagi Toshinori, the #1 Pro Hero All Might, looked down at the unconscious boy and his friend and cursed himself for arriving late. He had been on the other side of Musutafu Town when he had heard of the rampaging Dragon Quirk User, dealing with a troublesome hostage taking villain. He had dealt with the man swiftly and raced here as fast as he could, only to find two boys (neither looked older than 5!) threatened by the troublesome dragon.

Absently, he hopped off of the dragon as it started to revert to its human form, a European man in his late twenties.

'Those flames...the silver ones came from the unconscious boy.' he recalled. Flame Quirks were fairly common, although those with the strength that the silver flames had shown were not. Aside from Endeavour, there were only perhaps a dozen or so Flame Quirk users in the hero rankings, ones that could generate and use their own flames at any rate. Flame or heat manipulation Quirks were a lot more common and they tended to go into the Fire Service.

"Young man, is your friend alright?" he asked the blond-haired boy who had caught the flame user.

"Y-Yeah...wh-why did no one show up before now? Izuku and I were almost killed!" the boy responded.

"This is the twentieth villain attack I have stopped today, so I suspect that the local heroes are all swamped." Toshinori replied before bowing his head slightly. "I am sorry that you were in fear of your life, my boy. It is fortunate that your friend here had a Quirk that could hold the villain at bay."

"H-he only just awoke it just now, he hadn't had a Quirk Diagnosis or anything." the boy replied with a gulp.

"IIIZZZUUUKUUU!" a green-haired blur shot past All Might with incredible speed and careened into the unconscious boy. It was revealed to be a slim woman with green hair, who looked hauntingly like Shimura Nana, Toshinori's former master and the previous bearer of [One For All].

Shortly afterwards, the woman who was presumably the green-haired boy's mother (who had an astonishingly amazing ability to cry as she cradled her son's unconscious body. Toshinori absently wondered if she had some sort of Water Generation Quirk.) was joined by a red-eyed woman with blond hair and brown-haired man with glasses, who were apparently the parents of the blond-haired boy.

"Dammit brat, can't you even go to the park and back without causing problems!" Bakugō Mitsuki scolded her son. It would have been more convincing had she not been pale and trembling slightly from shock.

"Now dear, given the trouble in town, I think Katsuki can't really be blamed." Bakugō Masaru said with a comforting hand on his wife's shoulder. "Inko, how's Izuku?"

"H-He won't wake up!" the greenette wailed.

"Ahem." Toshinori coughed, drawing their attention. "As Young Izuku only just awoke his Quirk, I think it likely, given the stressful situation he found himself in and the amount of apparent power he used, that he is physically exhausted, at the very least."

"A-All Might!" Inko squeaked out, Mitsuki steadying her as she swayed in shock.

"Indeed!" Toshinori said with his customary heroic smile as he picked up the unconscious man who had threatened the boys. He had a hearty dislike for those who threatened children and hoped that they threw the book at the man. "I must away and take this ne'er-do-well to police custody! Give my salutations to Young Izuku when he wakes. Farewell!"

With a great leap, the #1 Hero leapt into the sky towards the nearest police station. He also pulled out his phone and sent of a text to a friend of his who was a Quirk Counsellor and Diagnosis expert. The power that the young Midoriya Izuku had shown needed to be expertly studied and the boy guided.

The last thing they needed was another Endeavour, after all!

A Week Later

Izuku's Room, Midoriya Family Apartment

Izuku sat on the floor of his room, writing furiously in a notebook that his mother had bought him.

He had been unconscious for two days before waking up and finding himself in a hospital. His mother had (almost literally) cried up a storm when he'd woken up, which made the nurses wonder if her Quirk was some kind of Mutation Quirk to do with ridiculously enhanced tear ducts rather than the minor gravity Emitter-type Quirk that she had. The elder Bakugōs had thanked him for protecting Katsuki, although the [Explosion] Quirk user himself protested that Izuku had been protecting himself, not him.

After getting out of hospital the next day, Inko had taken him to a special Quirk Counsellor that specialized in powerful and potentially dangerous Quirks like his, one that she'd told him had offered his expertise due to All Might's recommendation!

The fact that Izuku had only a faded memory of his idol (and no autograph) was something of a blow to him, but he resolved to one day have that added to his collection!

Anyway, at the special centre that the Quirk Counsellor took him and his mother to, he had learned how to call upon his Quirk, a mysterious silver fire that he could generate from any part of his body. The Counsellor had made him go through a whole battery of tests with it and had seemed fascinated by the results. Izuku's flame was quite unlike most Flame Quirks that the man had come across. Physically, the flames appeared more like a liquid than a flame, liquid silver or even mercury to be specific, yet still burned like a regular fire, just as hot as blue fire in fact.

Even more interesting was that they seemed perfectly suited for countering other forms of fire. Much like what had happened with the silver dragon villain's fire, Izuku's fire would resist it due to its liquid properties and, in sufficient quantities, would smother and put out fire. The doctor had also called in a few Quirk user with various forms of water/liquid control as well as those with fire manipulation Quirks to test and see how the strange liquid fire reacted to them.

Surprisingly neither group could exert any form of control over the strange substance, both claiming that the strange silver flame was unlike anything they'd encountered before.

That had just been yesterday, and Izuku was a bit sad that he couldn't go back to the place again; there was so much he wanted to try out with his new Quirk, but couldn't due to its volatile nature. Something else that he'd found out was that his Quirk was strongly influenced by his emotions; when he was happy, calm or otherwise in a positive mood the flames seemed happy to come out and obey his commands, but if he was sad, depressed or otherwise negative the flames would either lash out or curl around him protectively without his conscious command.

It meant he had to keep himself in control, or at least not depressed, but he was at an all-time high right now, so such a problem never occurred to him.

Sitting up as he finished scribbling the last of what he knew about his own Quirk down on the page of his new 'Hero Analysis For the Future' notebook, Volume 1, Izuku nodded and closed it shut. His was the third Quirk in the book, with his mother's and Kacchan's Quirks taking the first few pages up.

'I wonder why my Quirk's so different from Dad's? He has to be where I got it from as he's a flame Quirk user, but mine's a lot stronger than his [Flame Breath] is. Maybe one of his relatives has a much stronger flame Quirk?' Izuku thought, unknowingly muttering everything under his breath as he did so.

"Izuku, you're muttering again." his mother tapped him on the shoulder as she entered his room.

"Oh. Oops. Sorry, Mum." he chuckled in embarrassment.

"Have you thought of a name for your Quirk, Izuku?" Inko asked as she knelt down and hugged her son. She loved him to pieces and was so glad that his Quirk was strong enough to let him become a Hero like he dreamed of being.

"The Adviser man entered a temporary name of [Liquid Fire] into your Quirk Registry, but we can change it if you want." she continued.

"Kacchan's given me a bunch of suggestions, but the only one I like the sound of is villainous." Izuku pulled a face. "It's [Silver Tyrant]."

"That's...yes, a bit too villainous." Inko sweatdropped at the name. "How about just [Silver Flame]?"

"Okay!" the boy said cheerfully. "I think Kacchan's gonna still call it [Silver Tyrant] though."

"Why does he like that name so much?" Inko wondered.

"He says it's cause my fire 'kicks the ass of other fire Quirks' or something like that." Izuku informed his mother, sweatdropping at his friend's rough tone.

"Sounds like him. He's Mitsuki's boy after all." Inko sighed before smiling at her son. "How does katsudon sound for dinner?"

"Home-made? Yeah!" the smaller greenette cheered.

Later That Day

Office, All Might's Hero Agency, Roppongi, Minato Ward, Tokyo

"We've finally managed to get some information back from Romania about who this idiot is." Sir Nighteye, All Might's Sidekick, said to his boss as he gestured at the picture of the man who had almost killed Izuku and Katsuki.

"Lay it on me, Nighteye." Toshinori nodded. He wasn't putting on the loud booming act of All Might right now, relaxing as much as he could with his trusted sidekick.

"His name is Jan Kalicha, a Czech/Romanian/Japanese citizen. His mother was Romanian/Japanese, while his father was a Czech." the bespectacled hero adjusted his glasses. "His Quirk is known as [Silver Balaur], a transformation type Quirk that allows him to become a being greatly similar to the evil multiheaded dragon out of Romanian legend, hence the name. Mr Kalicha was visiting his long distance girlfriend when he discovered that she had been cheating on him and transformed out of anger. The woman escaped with her life and limbs intact...her paramour, not so much."

"I can sympathise with him to some extent, but he deliberately tried to kill those children." the newly-crowned 'Symbol of Peace' scowled.

"That has to do with a mental aspect of the man's Quirk." Nighteye replied. "If he transforms out of his own will, he is in complete control of his form. Should he transform out of emotional overload, as he did last week, all of his darker impulses are given free reign. It is why he never attempted to become a Pro Hero in Romania."

"Hmm...so he secretly wished to take his anger out on others, which his dark side proceeded to try and carry out." Toshinori scowled again. While he couldn't blame the man for having an emotional episode after finding his girlfriend with another man, the consequences of that loss of control nearly cost two children their lives. "Well, even taking this little factoid into account, he's almost certainly going to be convicted. Whether he'll be imprisoned or simply banned from the country is beyond me. So long as he doesn't try to kill any kids again, I don't especially care."

"Agreed." Nighteye nodded. He felt just as strongly about cowards who would harm children as All Might.

"That reminds me, a report came in from Matsushita-san about that boy who held Kalicha off." Toshinori held out a folder to Nighteye. "It makes for very interesting reading."

Hitching an eyebrow, the bespectacled man took the folder and proceeded to read it closely. When he finished, he was nodding slowly in agreement.

"The boy's flame is very curious indeed." Nighteye said slowly. "It almost appears similar to some forms of magma-based Quirks I've read on, or perhaps even a Quirk I once read about that allows its user to produce napalm from their pores. But even then, a Quirk that seemingly blends the natures of two opposing elements into an entirely new state is most unusual. It could be a particularly useful tool against other Fire Quirks or fires in general."

"If the boy becomes a hero, or even simply a fire fighter, imagine how effective he could be at smothering forest fires and arson attacks?" Toshinori mused thoughtfully. "Also a possible way to stop Endeavour's increasingly large amounts of property damage."

"He could also be an excellent combatant." Nighteye agreed. "His Quirk is seemingly completely immune to interference from fire and liquid manipulation quirks. It's a shame Matsushita only had time for four days of testing, but that's more than what he usually allows. Midoriya Izuku's quirk must have truly caught his interest."

"Yes, the old codger is aloof, but if something catches his interest, he likes to investigate it." Toshinori nodded. "Did you see the sheet regarding what he caught with his Quirk?"

Nighteye nodded. Professor Matsushita Neji had the [Insight] quirk, a mental Emitter-type Quirk that could be used on any individual Quirk once a year at most, but usually it gave the man information on a Quirk that was important, such as a weakness, a flaw or a consequence to using the Quirk.

"I did. I have to wonder about why he neglected to tell the boy himself."

"Knowing old man Matsushita, he just forgot." the Pro Hero snorted. "I'll drop by the Midoriya home at some point in the next week or so and inform them about this little weakness that Matsushita discovered. Young Midoriya can't very well practice his quirk without knowing the one type of opponent he cannot use his quirk against well."

"Knowing one's limits and weaknesses is a wise stance." Nighteye agreed. "Well, it's late, and knowing you, you plan on a long patrol again tomorrow."

"Until HE is taken care of, once and for all, I cannot rest." Toshinori said grimly, ire in his voice for the man who had killed all of his predecessors. "Have a good night's sleep, Nighteye."

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Next Chapter: Flame of the Silver Tyrant

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Quirk Name: Liquid Fire/Silver Flame/Silver Tyrant

Quirk Type: Emitter

Quirk Description: The user is able to produce and control a type of silvery-metallic fire that, while as hot as fire, possesses properties associated with liquids as well. One particularly noteworthy result of this diametric fusion of elements is that Quirks that can absorb, negate or control fire will not work on it, the only exception being the user's own quirk. Similarly, Quirks that than control, evaporate or absorb any type of liquid will not affect it either. Compared to standard fire Quirks, this is slightly stronger, pound for pound. Liquid Fire can be emitted from the hands, legs, mouth or spread across the body. User is completely immune to his own fire and can make it so that it only burns those he wants it to burn, completely negating the possibility of friendly fire. User can also shape it into animal constructs is he wishes, although this is more a control exercise than an offensive technique. A sufficient amount of Liquid fire can extinguish regular fire like a liquid.

Quirk Weaknesses: Liquid Fire possesses one large weakness in that it is susceptible to ice Quirks and low temperatures. Additionally, any Quirk that grants their user general fire resistance or fire immunity will still function against this quirk. The user is vulnerable to emotional manipulation, which can send the flame berserk, as the user must remain calm, collected and/or positive in order to fully control their flame.