Tony Stark's workshop had a smell.
Not a single smell. A layered, aggressive bouquet of smells that hit you in waves like the world's most expensive punch to the face. Burnt circuitry. Overheated metal. Ozone. Old coffee. And something else—something sharp and almost medicinal, clinging to the air like it had a personal vendetta against lungs.
It smelled like a place where people tried to out-invent mortality and occasionally set the floor on fire in the process.
I stood beside the central lab table with my sleeves rolled up, my wand tucked behind my ear like I was trying to cosplay "normal student" while brewing something that could either save Iron Man or turn him into a cautionary tale. The cauldron wasn't a classic Hogwarts one—no romantic iron pot hanging over a hearth. This was a Stark Industries "we sterilized it with lasers" container sitting under adjustable lab lights, surrounded by more sensors than my old Potions master's entire classroom.
And still, none of the tech mattered unless the magic was right.
Potion brewing was never "just chemistry," and anyone who believed that had never tried to whisper intent into a living mixture while keeping the arcane balance of heat, time, and meaning from collapsing into sludge. Ingredients weren't just ingredients; they were anchors for concepts. Purification. Binding. Cellular stability. Repulsion of foreign matter. If you didn't guide those ideas into the brew, you didn't get "medicine."
You got expensive soup.
Dead magical soup.
I carefully poured the thick amber potion from the cauldron into a Stark Industries crystal beaker. The liquid shimmered under the pale glow of the arc reactor in Tony's chest, scattering tiny sparks like fireflies trapped in a jar. For a second, the scene almost looked peaceful—two people in a lab, late at night, trying to fix a problem.
Then the potion burbled once, like it was offended by my optimism, and I remembered: this was attempt number three.
I slid the beaker across the table toward Tony, doing my best to look casual. Casual was important. Casual told the universe I wasn't nervous. The universe loved proving me wrong, but I tried anyway.
"Third attempt," I said. "Two failures, one explosion, and one incident involving a tentacle that is definitely not yours to worry about. Drink it."
Tony stared at the beaker like I'd just handed him a cup labeled MAY CONTAIN DEATH in permanent marker.
The grin he wore on stage, the grin he wore in front of senators, the grin he wore when he was about to do something reckless and call it science—that grin flickered. For a moment, I saw the person underneath all the performance.
A man staring at his own mortality in a cup.
I almost felt sorry for him.
Almost.
"Has this been tested," Tony said slowly, "on… anyone else who isn't me?"
He held the beaker like it might bite him.
I stared back. Blank. Because my brain was trying not to scream.
"Hypothetically," he added, as if that made it less insane.
Right. Of course. Why wouldn't I test a high-grade magical blood-purging antidote on some random person first? Maybe I'd swing by a coffee shop and ask if anyone wanted to volunteer for experimental wizard medicine. Perfect. Very ethical. Very normal.
"Tony," I said, "if I had a safe human test subject for this, I'd be selling miracle cures on late-night television instead of standing in your lab with a wand behind my ear."
He winced like that was too much honesty.
I reached for the beaker again—not to take it back, but to adjust my grip and rotate it so the shimmer stayed stable. The brew reacted to emotion. Fear could sour it. Confidence could steady it. That was part of the problem with doing this in a room with Tony Stark, who treated fear like an enemy and sarcasm like a shield.
Tony grabbed it with both hands and pulled it away as if I'd threatened to steal his death cup.
"No, no," he said quickly. "Don't take that back. I'm kidding. Totally kidding. Look at me." He forced a breath. "Heroic. Brave. Slightly nauseous already."
He lifted the potion and sniffed it.
His face did something I didn't know was physically possible. It wasn't quite a grimace, more like his features tried to evacuate his skull.
The potion smelled like rotten apples, hot metal, and ozone. Underneath that, there was a faint note of decay that belonged in a morgue, not a beaker.
"Abel," Tony whispered, voice suddenly small in a way that made my chest tighten, "if this kills me, I'm haunting you."
I shrugged, because I had to keep it light or the room would collapse under the weight of what we were doing. "If it kills you, I'm blaming JARVIS."
Tony shot a look toward the nearest speaker. "Oh, perfect. Thanks, JARVIS. That's comforting."
JARVIS, of course, responded in that maddeningly polite British accent that made every sentence sound like it had been ironed. "I can assure you, Mr. Stark, that every calculation has been verified multiple times. The probabilities of catastrophic failure have been reduced to an acceptable margin."
Tony blinked. "Thanks, JARVIS. That's… comforting."
Then he drank.
It was almost impressive. He didn't sip. He didn't taste. He committed like a man jumping off a cliff and hoping physics admired his confidence.
For about half a second, it looked like he might pull it off.
Then he gagged.
Violently.
His shoulders spasmed, and the sound he made was somewhere between "cough" and "my soul is leaving my body." He lurched forward, face red, eyes watering. The beaker shook in his hands.
I stepped in fast, because if he spat it out, we'd lose the dose and he'd lose the benefit, and I didn't have time for another brew cycle. I covered his mouth with one hand and steadied his wrist with the other—not gentle, not delicate, but effective.
He fought it, spluttering like a fish that had just discovered air was a scam.
"Swallow," I ordered, low and firm.
Tony's eyes went wide with outrage at being manhandled in his own lab, but desperation beats ego eventually. His throat worked. He gulped.
The potion went down.
He stumbled back, seized a bottle of absurdly expensive wine from the bar like it was holy water, and chugged it as if it might erase the taste from his existence. He collapsed against the counter, wheezing, one hand braced on the surface like gravity had suddenly become personal.
"That," he croaked, glaring at me with red-rimmed eyes, "tasted like a dead skunk wearing gym socks dipped in sewage."
I leaned back against the table, arms crossed, forcing myself to stay calm. "A potion's taste is irrelevant to function and always bad. Consider yourself lucky it didn't explode. And honestly, if you're going to make faces, try to be original."
Tony dragged a hand down his face like he was wiping off the entire experience. "This is supposed to make me feel better?"
I didn't answer. Not immediately.
Because I wasn't watching his face.
I was watching his chest.
Even without magical sight, you could see the faint gray palladium lines spidering outward from the arc reactor like frost creeping over glass. With magic, it was worse—like metallic corruption had made a home in his blood and was slowly renovating his body into something brittle.
The lines had been advancing for months.
Toward his throat.
Toward his brain.
Toward the inevitable ending he'd been trying not to think about.
And then, very slowly… they faded.
Not vanished. Not cured. But eased back, like the poison had been forced to loosen its grip. The spread didn't just slow—it retreated a fraction, pulled inward by the potion's harmonics as if the brew had finally found the right frequency to argue with palladium.
Tony noticed too.
He fumbled with his shirt, pulling it open and staring at the shifting lines like a man seeing sunrise after expecting endless night. Relief flickered across his expression—raw and unguarded—followed immediately by fear, because hope makes fear sharper when you know you can still lose it.
"It works," he whispered.
I let myself exhale. Not a sigh. More like a pressure release I hadn't realized I'd been holding in my ribs.
"It works," I agreed. "It slows the poisoning and stabilizes your cells." I paused, choosing my words carefully because Tony needed truth, not comfort. "I had to improvise with alchemical harmonics and a cleansing weave. This buys you time. Not forever. But long enough to think."
Tony's jaw tightened. "So it's not permanent."
"Nope," I said. "Long-term suppression. Years, not months—if you follow the dosing schedule and you stop using your own body as an experimental test site for rocket science." I tilted my head. "Best estimate? Five years, give or take. Less if you insist on testing explosions, rocket engines, or gravity in your living room."
He blinked hard at the ceiling where holographic constellations floated, like even his house wanted to pretend this was all cosmic and romantic instead of terrifying.
Five years.
For most people, five years is a long time.
For Tony Stark, it was a deadline with teeth.
"I've tried every element on Earth," he said, pacing. He couldn't hold still now—movement was his coping mechanism. "Every isotope, every alloy. Nothing replaces palladium. Nothing fits the energy density. Nothing stays stable."
I watched him circle his own lab like a caged animal who happened to be a billionaire genius. Then I said the thing that felt obvious to me and utterly illegal to the laws of nature.
"Then stop looking for one."
Tony froze mid-step.
Not the dramatic "Tony pauses for effect" pause. A real freeze, like I'd reached into his brain and hit the emergency shutdown switch.
He turned toward me slowly. "What?"
I met his gaze and kept my voice soft, almost teasing, because Tony's ego responded better to challenges than lectures.
"Make one," I said.
His expression shifted. The fear didn't vanish. It transformed. That's what happened when you gave Tony a target: panic got repurposed into obsession.
He stared like the idea was blasphemy… and then like it was inevitable.
"You're serious," he said, voice tight.
"You're Tony Stark," I replied. "You don't find solutions. You invent them."
For a heartbeat, the room felt like it tilted—not physically, but conceptually. Like the world's rules had been rewritten slightly just because Tony Stark had been reminded of his own nature.
Then he laughed.
Loud. Full. Slightly manic. The kind of laugh that made me wonder if genius was just a socially acceptable form of insanity.
"Abel," he said, pointing a finger at me like I was an amusing prophecy. "I didn't know you worshipped me this much."
He needed a reality check.
My wand was out before his ego could inflate further. A white-hot beam of magic struck him, and his body locked in place instantly—rigid, upright, mouth half-open in mid-smugness.
He blinked once.
I crouched with a pen, because if you're going to be irresponsible, you should at least be creative, and scrawled across his forehead:
ABEL WAS HERE.
YOU WILL RETURN TO NORMAL IN TEN MINUTES.
REFLECT ON YOUR EGO.
Then I stood, admired my work for half a second, and opened a portal.
Tony's muffled noise of outrage followed me through the ring of sparks, cut off as the portal snapped shut.
By the time I returned to Kamar-Taj later that night, the wind was quiet and the prayer flags fluttered like they were whispering to each other. I sat cross-legged under them, breathing in incense and cold stone air, feeling the day settle into my bones.
The Ancient One observed me silently for a while. She always did that—let you speak first, not because she couldn't fill the silence, but because she preferred truth unforced.
So I told her everything.
The potion's taste, Tony's theatrics, the way hope had changed his face for one second before he buried it again. The five-year suppression window. The suggestion to invent a new element. The part where I immobilized him and wrote on his forehead like a petty older brother.
The Ancient One listened without interrupting, as if my story was a river and she was simply watching the current.
When I finally finished, she spoke.
"Stark is brilliant," she said, voice calm as midnight. "But brilliance without wisdom burns worlds."
"He's trying to live," I said, and I meant it. Beneath the arrogance and the sarcasm, Tony was fighting like hell not to die.
"So is everyone," she replied.
And somehow, that simple sentence hit harder than any cosmic speech. Because she was right. Everyone is trying to live. Even the ones who pretend they aren't afraid. Even the ones who burn themselves out saving others. Even the ones who claw at power because they think it's the only shield against death.
I looked up at the night sky over Kamar-Taj, stars sharp and indifferent. My mind tried to hold everything at once: palladium poisoning and new elements, Obadiah Stane and his knockoff army, SHIELD's eyes hiding behind red-haired smiles, Dormammu's lingering soot-like presence, the Hulk tearing through New York like a natural disaster wearing anger.
The universe was getting louder.
And somehow, I was standing right in the center of it, pretending I belonged.
For a second, I felt like a kid again—out of place, terrified, wearing confidence like borrowed clothes. I'd crossed worlds, crossed rules, crossed lines, and I still wasn't sure if I was steering my life or just being dragged behind it.
Then I remembered Tony's face when the palladium lines faded.
Not healed.
Not safe.
But alive.
Maybe that was enough.
Maybe five years was enough.
Maybe.
My wand felt warm in my pocket, and the enchanted inventory pouch at my side pulsed faintly with its new Extension Charm—notes, reagents, plans, stolen time. I stared at it like it was a promise.
Because tomorrow—no, soon—New York would still be chaos.
And somewhere in that chaos, Bruce Banner's blood was spilling into the streets.
A reagent of impossible value.
A risk of impossible scale.
I swallowed, feeling the weight of the decision settle onto my shoulders.
If I wanted to change the future, I couldn't just brew potions and advise billionaires.
I'd have to move.
Fast.
Quiet.
Without leaving parts of myself behind.
I stood, tightening the strap of my pouch, and glanced once more at the distant stars.
"Okay," I muttered, mostly to myself. "Iron Man gets five years. Now let's see if I can steal from the Hulk without getting turned into paste."
It would be a heist.
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Hey guys, I'm Aurelius D. Black, your author, and welcome to Path of Arcane (or How to Survive and Maybe Craft Hogwarts in Another World).
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