I'm certain a majority of you have seen this beautiful post circulating at one point or another. Thank you to the person who tagged me in that meme book, I've decided to turn it into a fic!

Don't even ask about the title - I was so, so tired when I came up with it.

Ships: MayPepTasha, Thoruce, Wandavision, implied ships.

Warnings: Oh no, where do I start. LAVA. Recklessness, fear of death, not fearing death, heights?

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One didn't simply ignore Shuri when she decided to play the floor is lava. Not after she brings out the lava gun.

Unluckily for them, the Avengers hadn't learnt this just yet.

T'Challa had ignored her when this had all first started - seven months prior. She'd shout 'THE FLOOR IS LAVA!' and jump onto various, and sometimes dangerous, things, while her brother watched in stoic disapproval.

Then came the invention of the lava gun.

T'Challa hadn't slept soundly since.

Four and a half months of torture - T'Challa never, ever letting his guard down. She was everywhere and anywhere, including places she couldn't possibly reach or think to check.

His bathroom? Check.

The back room of the local Wakanda convenience store? Double check.

A dark, spooky corner of the super secret war tunnel only he and his father had known about? Triple check.

The set of the live action thriller Barney the Dinosaur remake? Quadruple check.

You get the point - there was no hiding from your chaotic younger sister/replacement on the throne (should something ever happen to him - Dun, dun, dunnnn).

Things only get worse when they were in New York - specifically visiting Stark and his Spider-child.

"THE FLOOR IS LAVA!" Shuri screamed about an hour into their bowling trip, causing T'Challa to jump onto the closest ball rack.

Peter immediately catapulted himself across the room. He landed on the opposite wall, arms extended and covering the 'W' in 'Bowling'.

T'Challa was relieved at first, then horrified. It was chaotic, purely platonic, mischievous love at first sight.

Super Smart Siblings Of Suspiciousness, they'd declared themselves (or SSOS, as they'd yell out with heavy emphasis on the 'O').

And now, on some random Wednesday at Stark Tower, everything was about to go down.

So let's start this again;

One didn't simply ignore Shuri when she decided to play the floor is lava. Not after she brings out the lava gun.

The Avengers were about to learn this.

The kitchen/breakfast room was crowded when Shuri huddled inside that morning, grin slightly too wide for a scheme not to be on her mind.

Peter noticed it first, becoming practically radiant with glee, then T'Challa took notice. Absolute terror was plaster across his face in an instant.

Bruce, Thor, Nat, May, Pepper, Wanda, Vision, Clint, Loki, Steve, Bucky, Tony, Stephen, T'Challa, and Peter populated the kitchen, all spread across the large room when it happened.

Pepper was happily telling her two wives about the meetings she had planned for the day. Thor was loudly trying to force his boyfriend, Bruce, and brother, Loki, into a conversation. Stephen looked tired. Tony looked even more tired.

It was all just domestic and calm.

Until Shuri opened her mouth. "THE FLOOR IS LAVA!"

It was like time slowed for a moment there - everything fading to nothingness before reactions could begin to occur.

Peter let out a high pitch squeal, flinging himself across the room, straight onto T'Challa. The King of Wakanda - equally horrified - sprung onto the fridge, still attached to the teenage hero.

"What are y-," Tony cut himself off as Shuri pulled out a gun, cackling maniacally.

In an instant, deployable synthetic lava began pouring form the gun, spreading out across the floor. It bubbled and sizzled, just like regular lava, but the heat was reduced (still enough to hurt, just not enough to melt through the far too expensive floors).

"Ahh!" Clint squawked, jumping into the kitchen sink.

Vision simply rose up in the air, clutching a fearfully yet highly intrigued Wanda. Loki disappeared in a puff of smoke, but the hovering orb he left behind made it clear that he was watching from a safe distance.

Stephen floated towards the ceiling while Tony's nanotech burst into action, forming rocket boots around his feet, propelling him into the air.

Natasha jumped up on the kitchen bench with uncanny grace, despite her heels. She helped May and Pepper up, too, who looked less than impressed. Thor and Steve were far less graceful, tipping over the kitchen table, spilling toast and cereal everywhere.

They eventually settled on clutching the open window panes. A dangerous feat, considering that they were twenty stories above the New York streets.

Bucky continued eating his toast - which he'd picked up from the table, with his feet resting on another chair.

Bruce, on the other hand, simply flopped onto the floor, right besides the lava. "Ah, sweet release."

Right before the lava could touch him, big, green, and beefy came out. "Lava no hurt Hulk, Hulk hurt lava!"

Shuri cackled once more as she watched the utter destruction that followed...

The Avengers screaming for Hulk to stop punching the lava, because it was splashing up at them. T'Challa finally realising that Spider-Man was stuck to him. Thor and Steve squealing every time a gust of wind opened the window further.

It was magnificent.

The sheer villainry of it all was beautiful. Even Loki had to take a few notes.

It took five long minutes for the lava to disappear, and even longer for the Avengers (all too shocked to speak), to return to the safe, warm ground.

The Avengers couldn't sleep soundly after that. Not when Shuri was nearby, at least.

Except for Peter - who some were convinced was the mastermind of it all.

If questioned about this, however, he would say one simple sentence, and the heroes would take off running - hearing maniacal cackling from the shadows in an instant.

"I Shuri would like some lava."