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Purple King Greg

Fandom: Steven Universe Future

Created: 6/20/2026

Tags

AU (Alternate Universe)FantasyScience FictionSpace OperaAdventureDivergenceCanon SettingCharacter Study
Contents

The Color of Authority

The Atlantic breeze was particularly kind today. It carried the scent of salt and sun-bleached wood, drifting through the open doors of the van where Greg Universe sat. He hummed a low, scratchy tune, his fingers dancing across the strings of his acoustic guitar. The ocean was a perfect, glass-like sheet of cerulean, mirroring the peace he felt in his chest.

"Just another day in paradise," Greg murmured to himself, leaning back against the worn upholstery.

He took a deep, sharp breath of the refreshing air, holding it for a second before exhaling with a contented sigh. Life had been quiet lately—a good kind of quiet. Steven was growing up, the Earth was safe, and Greg was finally getting some quality time with his music. He reached up to readjust the rearview mirror, intending to check if his ponytail was still holding together, but his hand froze mid-air.

In the reflection, his eyes weren't the warm, dark brown he’d known for fifty-odd years. His pupils had sharpened, elongating into distinct, vertical diamond shapes. They glowed with a faint, regal violet light.

"Whoa!" Greg yelped, jolting backward. His heel caught on a stray guitar cable, and he tumbled into the cramped space between the seats, landing hard on his back. "What the—what is that? Is that a light trick?"

Panic rising like a tide, he scrambled to his feet, his breath coming in ragged hitches. He felt a strange heat emanating from his torso—not a burn, but a rhythmic, heavy thudding that didn't match his heartbeat. With trembling hands, he gripped the hem of his gray sweatshirt and yanked it upward.

His breath hitched. Wedged firmly into his belly button, where there should have been nothing but skin, was a gemstone. It was large, multifaceted, and deep purple, glowing with an inner luminescence that seemed to pulse in time with his own frantic breathing.

"No way. No, no, no," Greg stammered, his voice cracking. "I’m the human one! This is Steven’s department!"

He grabbed the gem with both hands, digging his fingernails into the edges. He pulled with everything he had, his face turning red from the exertion, but the stone didn't budge. It felt as much a part of him as his own ribs. It wasn't just stuck; it was rooted.

"Okay, don't panic. Don't panic, Greg. You’ve seen weirder stuff. You lived in a van for twenty years. You dated a celestial being. You can handle a... a stomach rock."

But he couldn't. The aura coming off the gem was starting to make his skin tingle, and the air in the van felt suddenly too heavy to breathe. He dove into the driver's seat, fumbled with the keys, and roared the engine to life. He didn't even bother closing the back doors properly before he was peeling out of the parking lot, heading straight for the beach house.

He practically leaped out of the van before it had fully stopped, sprinting up the wooden stairs of the temple. He burst through the front door without knocking, his chest heaving.

"Steven! Garnet! I’ve got a... a situation!"

The scene inside was already unusual. Steven, Pearl, Garnet, and Amethyst were huddled near the warp pad, speaking in hushed, urgent tones to a stranger. Standing before them was a Pearl—but not like the one Greg knew. This one was a deep, velvety violet, her hair styled in sharp, elegant wings, and her eyes held a cold, calculated stillness.

Steven was the first to turn. "Dad? What’s wrong? We’re kind of in the middle of—"

Steven’s voice died in his throat. His eyes dropped to Greg’s midriff, where the sweatshirt was still bunched up, exposing the glowing purple diamond. Steven’s jaw dropped, his own hand instinctively moving toward his navel.

"Dad..." Steven whispered, his voice trembling with a mix of awe and terror. "Is that... a gem?"

The Violet Pearl stiffened. Her head snapped toward Greg, her eyes widening until they were dinner plates. A sound that was half-sob and half-gasp escaped her. Before anyone could speak, she crossed the room in a blur of movement, dropping to one knee before Greg. She pressed her fists together, one over the other, forming a diamond shape over her chest in a sharp, formal salute.

"My Diamond," she breathed, her voice echoing with a reverence that made Greg’s skin crawl. "You’ve returned. I have searched the furthest reaches of the void for your essence."

Greg stared down at her, then up at Garnet, his face a mask of silent pleading. "Garnet, please tell me she’s talking to someone standing behind me."

Garnet stepped forward, her visors reflecting the purple glow from Greg’s stomach. She looked grimmer than Greg had ever seen her. She took a slow, steadying breath—a gesture she only did when the future looked particularly complicated.

"Greg," Garnet said softly. "I didn't think this was possible. The legends of the Great Diamond Authority mention a fourth sibling who existed before the others—one who was erased from every mural and every memory."

"A fourth?" Pearl squeaked, her hands flying to her mouth. "But there’s White, Yellow, Blue, and... Pink. That’s the tetrad!"

"No," Garnet corrected, her voice dropping an octave. "Before the era of the three, there was the Purple Diamond. She was the original architect of the Gem psyche. It was said she was the most powerful of them all—more powerful even than White. She didn't just control light; she controlled the fundamental energy that binds a Gem’s consciousness together."

The Violet Pearl nodded sharply, still kneeling. "My Diamond was the Void and the Spark. When she chose to vanish, the others trembled. They chose to forget rather than live in the shadow of her potential."

Amethyst whistled low. "So, what? Greg’s a god now? Does this mean he gets a giant arm ship too?"

"I don't want a ship!" Greg cried, waving his arms. " I want to know why I have a rock in my gut! I’m a guy who likes car washes and classic rock! I’m not a... a Void Spark!"

As he spoke, the air around him began to shimmer. A heavy, commanding aura radiated from him, a pressure that made the floorboards groan. It wasn't aggressive, but it was undeniable. It was the feeling of a mountain standing behind you, silent and ancient.

Suddenly, Steven’s phone began to blare a loud, melodic chime—the specific ringtone reserved for the Diamond communicator. Steven pulled it out, his hands shaking. The screen showed the icons for Yellow, Blue, and White all calling simultaneously.

"Uh... guys?" Steven looked at the phone, then at his dad. "I think they felt it. The whole galaxy probably felt it."

He hit the speakerphone button. Immediately, three voices clamored over each other, their tones ranging from frantic to demanding.

"Steven!" Blue’s voice was thick with emotion. "Something has happened. The Great Essence... it has reawakened! We felt a pulse from Earth that shouldn't exist!"

"Is it a weapon?" Yellow barked. "If someone has unearthed the forbidden archives, I will have their shards!"

"Steven," White’s voice cut through the others, unnervingly calm but laced with a rare hint of fear. "Tell me truly. Do you see a light that is neither white, nor yellow, nor blue? Do you see the color of the beginning?"

Steven looked at Greg, who had collapsed onto the sofa, looking like he wanted to disappear into the cushions. The Violet Pearl was now standing at attention beside him, her hand resting on the hilt of a rapier that hadn't been there a moment ago.

"Yeah," Steven said into the phone, his voice small. "I’m looking at it. It’s... it’s Dad."

The silence on the other end of the line was deafening.

Greg didn't hear the rest of the conversation. His head was spinning. He felt a strange pull from within the gem, a beckoning to a place of deep, quiet power. He closed his eyes, trying to shut out the chaos of the room, the shouting Diamonds on the phone, and the weight of the destiny being thrust upon him.

*Just relax,* he thought. *Like you’re on stage. Just find the rhythm.*

As he focused inward, the room fell silent. A hum, deep and resonant like a bass guitar through a massive amp, vibrated through the house. The Violet Pearl let out a soft gasp.

Greg felt his clothes shift. The scratchy wool of his sweatshirt and the denim of his jeans dissolved, replaced by a fabric that felt like woven starlight. When he opened his eyes, he wasn't wearing his "Mr. Universe" shirt anymore.

He was clad in high-collared, regal robes of deep violet and obsidian black. Translucent silk capes flowed from his shoulders, shimmering with a faint stardust pattern. A dark, metallic crown-like circlet rested lightly on his brow, and his boots were made of a polished, dark gemstone material. He looked like a king from a myth, yet underneath it all, he still had his sun-tanned skin and his thinning hair.

The Violet Pearl immediately dropped back into her salute, her face glowing with pride. "The Sovereign of the Void has returned."

Greg looked down at his hands, which were now glowing with a soft, purple light. "Okay," he whispered, his voice sounding deeper, echoing with a strange power. "This is definitely more than a 'situation' now."

On the phone, the Diamonds were still speaking, but their voices had turned to hushed, fearful whispers as Steven described the transformation.

"He’s... he’s wearing the regalia, White," Steven said, his eyes wide. "He looks like a Diamond. A real one."

Greg sighed, the sound echoing like thunder over the ocean. He looked at his son, then at the gems, and finally at the Pearl who looked at him like he was the center of the universe.

"Well," Greg said, leaning back into the sofa, the regal robes draping over the cushions. "I guess I’m going to need a lot more than a van to figure this one out."
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