Rarity and Sweetie Belle: Guardians of the Cosmos!

by ShopperBrony90

Rating: everyone
Tags: Comedy, Adventure, Equestria Girls, Science Fiction, Main 7 (EqG), Principal Celestia, Human, Sweetie Belle, Rarity (EqG), Original Character
Length: 4544

Rarity and Sweetie Belle become superhero guardians of magic and the cosmos.

Rarity was fighting a giant beast created by Equestrian Magic alongside Sunset Shimmer and the others. Sweetie Belle was hanging out with her friends (Apple Bloom and Scootaloo) as they thought of what movie they wanted to screen next as the Canterlot Movie Club. Little did they both know that the biggest adventure of a lifetime was about to begin for them!

Co-written by Tane4041 and inspired by an image by berrypawnch.

The Cosmic Guardians

Published 2024-08-10 00:00:01 UTC
Last updated 2024-08-11 23:17:13 UTC

Chapter 1: A Twist in Time

Rarity stood at the edge of the clearing, her diamond shields shimmering in the afternoon sun as she fended off bursts of wild Equestrian Magic. The forest around her crackled with energy, trees swaying unnaturally as she, Sunset Shimmer, Sci-Twi, Rainbow Dash, Applejack, Pinkie Pie and Fluttershy battled against the chaotic forces. Rarity gritted her teeth, focusing on the task at hand.

"Twilight, Sunset, this magic is getting out of control!" Rarity shouted over the roar of the magical storm.

"I know! We just have to keep pushing back!" Twilight responded, her telekinesis beginning to wear off.

"We can do it together if we fight harder!" Sunset agreed.

Meanwhile, Sweetie Belle, Apple Bloom, and Scootaloo were enjoying a carefree day at the park. The three girls sat on a picnic blanket, eating and talking about what movie they should screen next. They are the Canterlot Movie Club after all.

"So, what movie should we screen next? I'm thinking an action movie. How about Die Hard?" Scootaloo suggested with a grin.

"Nah, tha movie is rated R and it has violence and language that ain't ever goin' fly with us. How about a Hallmark movie?" Apple Bloom added.

Sweetie Belle yawned at the request, showing that she has no interest in her country friend's idea. "I don't watch Hallmark as much. I got a movie idea. How about we scree—"

Before Sweetie Belle could finish her sentence, the world around them suddenly froze. The birds in the sky halted mid-flight and the leaves that had been rustling in the breeze hung suspended in the air. Sweetie Belle blinked, her heart skipping a beat as she looked around. "Girls? What... what just happened?"

Apple Bloom and Scootaloo didn't respond. They were frozen, like everything else around them. Sweetie Belle’s heart pounded as she stood up, waving her hand in front of her friends’ faces. "Apple Bloom? Scootaloo? Can you hear me?"

Back in the forest, Rarity noticed the stillness too. The wild magic she was fighting stopped mid-air and her friends stood motionless. "What in the world?" Rarity murmured, stepping back. "Twilight? Sunset? Girls? What’s going on?"

As both sisters tried to comprehend the eerie stillness, they suddenly felt a strange sensation wash over them. Rarity felt a tingling at the tips of her fingers, spreading through her entire body. "What... what is this?" she whispered as she looks down at her hands as they started to flicker, fading in and out of existence.

Sweetie Belle felt the same thing. Her body started to shimmer with her vision blurring as she flickered like a faulty lightbulb. "Rarity? Rarity, help! What’s happening to me?" Sweetie Belle called out, her voice trembling with fear.

"Sweetie Belle?!" Rarity's voice echoed in her mind, but it felt distant, like a fading echo.

Without warning, both of them began to shrink, their forms dissolving into tiny, glowing orbs of energy. Rarity gasped, or at least tried to. The sensation was overwhelming, like being pulled apart and put back together at the same time. "This... this isn’t right!" she thought, panic rising within her as she floated upward and away from the forest.

Sweetie Belle, now a small orb of light, floated away from the park until she settles herself beside her sister. the two orbs start spinning around each other before they shot into the sky.

They flew faster and faster until the world around them became a blur of colors.

Suddenly, a portal materialized before them—a swirling vortex of rainbows, numbers and strange symbols that seemed to pulse with life. The two orbs were sucked into it like a vacuum cleaner with Rarity and Sweetie Belle turning back to their normal forms the second they entered.

Rarity and Sweetie Belle found themselves flying through the portal with bumps that feels like they were sliding on a twisted, bumpy carnival slide. "Rarity, what is this place?" Sweetie Belle’s voice echoed in the tunnel.

"I don’t know, darling," Rarity’s voice replied, laced with concern. "But whatever it is, we must stay strong. We’ll get through this—together."

The portal was jostling them with bumps and turns with each bump increasing the speeds of how fast they're flying. The colors around them shifted, forming geometric shapes and patterns that made no sense. Their speeds eventually reached lightspeed! Sweetie Belle clung to the only comfort she had—her sister. "I’m scared, Rarity..."

"It’s alright, Sweetie Belle," Rarity reassured her, though she felt just as uneasy. "We’ll find out what this is all about soon." Rarity hugs Sweetie Belle as they still flew at lightspeed.

The light at the end of the portal grew brighter and brighter as the two sisters flew toward it. They also start glowing brighter as they approached. Just as they reached the blinding light, everything went white. The light had engulfed them and took them to who knows where!

To be continued...

Chapter 2: A Cosmic Invitation

Rarity and Sweetie Belle floated in a serene void, surrounded by shimmering pink stars that twinkled against the vast, soft-hued galaxy and far from them is the sun that is shining pink rays of light. Their bodies felt weightless as they drifted, trying to make sense of where they were and what had just happened. The sisters exchanged bewildered glances with the uncertainty of their situation making them uneasy.

"Sweetie Belle, darling, where are we?" Rarity asked, her voice echoing softly in the pink expanse.

"I have no idea, Rarity. One minute we were at home and the next, we're... here?" Sweetie Belle replied, her eyes wide with confusion.

As they tried to comprehend their surroundings, a gentle shimmer of light caught their attention. It began as a faint glimmer in the distance but quickly grew brighter, filling the space with a radiant glow. Before they could react, the light flashed before their eyes, causing them to shield their faces.

When the light faded, they lowered their hands and gasped at the sight before them. Standing majestically in the middle of the starry expanse was a magical being unlike any they had ever seen: A unicorn with a pure, dazzling white coat with her mane flowed like a river of rainbows, each strand shimmering with a different hue. Her eyes sparkled with wisdom and kindness, yet there was an undeniable power behind them. The unicorn’s presence was otherworldly, commanding, yet comforting.

"Greetings, Rarity and Sweetie Belle," the unicorn spoke, her voice melodic and soothing. "My name is Shari Skyline. I come from a galaxy far beyond Ponyville and Canterlot High."

Rarity drifted forward cautiously, still trying to process what was happening. "Shari... Skyline, was it? Pardon me, but could you explain what is going on? Why are we here and how did we end up in your presence without so much as a warning?"

"How do you know us?" Sweetie Belle asked.

Shari smiled warmly; her eyes filled with understanding. "I apologize for the abruptness, but time is of the essence. I have summoned you here because a great evil has befallen your world. An ancient monster, born of dark magic, is attacking Canterlot High. Its power is beyond anything your world has faced before and it seeks to destroy everything you hold dear."

Sweetie Belle, who had been listening intently, spoke up confidently. "Rarity can defeat it, no problem! She's always saving the day with her geode powers!"

Shari nodded, acknowledging Sweetie Belle's faith in her sister. "Yes. Rarity's geode powers are formidable, but this foe is unlike any she has encountered. The darkness within this monster is ancient and it draws its strength from sources unknown to your world. Your geode powers alone will not be enough."

Rarity felt a pang of concern but remained resolute. "Then what must we do, Shari? We can't let this creature wreak havoc on our school. Especially our friends!"

Shari's expression grew serious. With a graceful movement of her head, she conjured a brilliant orb of light between her horn and the sisters. The orb swirled with energy, pulsating with vibrant colors that seemed to contain the very essence of the cosmos.

"I am granting you both new powers," Shari explained. "Powers that will allow you to face this monster and protect your world. Along with these powers, I bestow upon you morphers that will channel this energy and transform you into your new forms—guardians who will stand against the darkness."

The orb split into two, each half floating toward Rarity and Sweetie Belle. As they reached out, the orbs dissolved into streams of light, wrapping around their wrists and forming sleek, crystal-like devices—morphers that gleamed with a mystical aura.

Rarity and Sweetie Belle looked at each other, the weight of the moment sinking in. Shari’s words echoed in their minds as they gripped their morphers, feeling the latent power within them. It was an exhilarating, yet daunting sensation, knowing they were about to embark on a journey unlike any they had ever imagined.

"Now," Shari continued, her voice filled with encouragement, "It is time for your transformation, but know this—your new forms are a reflection of your inner strength, your courage and your bond as sisters. Let the power within you guide the transformation and embrace your new destiny."

With a deep breath, Rarity and Sweetie Belle activated their morphers. A surge of energy coursed through their bodies, enveloping them in a cocoon of shimmering light. As the light intensified, they felt all their clothes completely dissolve to be replaced by a new uniform that seemed to materialize from the very essence of the cosmos.

The transformation began with their feet as white boots with golden soles formed, encasing their legs in intricate patterns of light. The light continued upward, weaving a color-coded uniform around their bodies that clung to them like a second skin. The light also forms white gloves on their hands and color-coded skirts. Yellow cuffs appeared around their wrists, ankles, necks (collars) and skirt edges, pulsing with a rhythmic glow that resonated with their heartbeats.

Their torsos were adorned with sleek, metallic golden belt that shimmered with a soft pink hue, complementing the patterns of their suits. On their chests, golden-white neck shields formed with an emblem of a starburst embedded on it, symbolizing the unity and strength they now possessed.

As the transformation neared completion, their expressions became fierce and determined. Their eyes glowed with the newfound power within them, reflecting the stars that surrounded them. A final surge of energy washed over them, solidifying their new forms.

Thus, Rarity and Sweetie Belle have suited up. Rarity's uniform is purple while Sweetie Belle's uniform is yellow.

The light dimmed and Rarity and Sweetie Belle floated in the pink expanse, fully transformed. They looked at each other in awe, marveling at their new uniforms and the power they could feel coursing through their veins.

"Whoa! Look at us, sis!" Rarity shouted in amazement, appreciating the design of their new outfits.

"I know, right! This is so awesome!!" Sweetie Belle replied, happy to the max.

Shari Skyline stepped forward; her eyes filled with pride. "You are now more than you were before. You are guardians, protectors of your world. The powers you now wield are a gift, but with them comes great responsibility. Use them wisely and you will overcome the darkness that threatens your home."

Rarity and Sweetie Belle nodded; their resolve unwavering. They were ready to face whatever challenges lay ahead, together. With a final nod from Shari, the pink expanse around them began to dissolve and they felt themselves being pulled back toward their world toward Canterlot High, where the real battle awaited.

As they disappeared from the starry space, Shari Skyline’s voice echoed in their minds, a final reminder of the journey they were about to undertake. "Go forth, brave guardians and let the light of your hearts guide you. The fate of your world rests in your hands."

To be continued...

Author's Note

Rarity and Sweetie Belle in their new Cosmic Guardian uniforms drawn by berrypawnch.

Chapter 3: The Warmup

As the blinding light faded, Rarity and Sweetie Belle re-materialized in the heart of the school courtyard. The transformation was complete. Their new super uniforms clung to their forms like a second skin, shimmering with the power they now possessed. They were ready to face the darkness that awaited them.

Before them stood an army of changeling-like human foot soldiers, their twisted forms hissing and snarling as they prepared to attack. These soldiers were nothing more than minions of the ancient monster that lurked nearby, a terrifying creature resembling a lizard mixed with a chimera, its scales glistening under the afternoon sun.

“Ready, Sweetie Belle?” Rarity asked, her voice steady despite the chaos surrounding them.

“Ready!” Sweetie Belle replied, her eyes narrowing with determination.

Their devices hummed to life and with a flick of their wrists, their weapons materialized. Rarity gripped a deep crimson sword, its blade glinting with a fiery edge while her other hand wields a matching shield with flaming patterns. Sweetie Belle summoned her ice-blue sword, its frosty blade gleaming with the power of winter and her shield adorned with delicate snowflake patterns.

The foot soldiers charged forward, their eyes glowing with malevolent intent. Rarity and Sweetie Belle didn’t hesitate. They met the charge head-on, their swords clashing with the soldiers' crude weapons.

Rarity moved with grace and precision, her sword slashing through the air, leaving trails of fire in its wake. Her shield deflected incoming blows, the crimson and gold creating a protective barrier around her. With a sharp intake of breath, she activated her heat-vision eye beams, sending a wave of scorching heat through the ranks of the enemy. Soldiers disintegrated into ash before they could reach her.

Sweetie Belle, on the other hand, was a whirlwind of icy fury. She swung her sword with youthful energy, each strike freezing her foes on contact. As a group of soldiers rushed her, she exhaled a blast of ice-cold breath, encasing them in solid blocks of ice. With a flick of her hand, she sent a stream of snow from her palm, freezing the ground beneath the soldiers' feet, causing them to slip and fall.

Despite their numbers, the foot soldiers were no match for the sisters' combined might. But as they fought, they knew this was only the beginning. The real threat still loomed in the distance—the ancient monster, its eyes glowing with primal fury.

Finally, as the last of the foot soldiers fell, the sisters stood side by side, their chests heaving with exertion. As they turned to face the lizard-chimera, they knew this was their moment. The battle against the humanized changelings would test everything they had become. They were ready for their fight against their main enemy.

They adjusted the wheels on their ray guns, preparing to unleash the elemental powers within. Rarity’s ray gun glowed with fiery crimson while Sweetie Belle’s shimmered with icy blue.

Rarity and Sweetie Belle stood firm; their eyes locked on the towering chimera-like monster before them. Rarity has shot out fireballs at the monster while Sweetie Belle blasts streams of water that instantly froze into an icy spear that hits the monster's belly. The monster turned weak which means Rarity and Sweetie Belle are ready to take it down once and for all!

"Let's put an end to this monstrosity!" Rarity shouted.

“I couldn't agree more, sis!” Sweetie Belle agreed, lifting her shield.

They start combining weapons so they can form a powerful cannon. Ray guns magically combine into one giant base, the shields magically become an aiming hologram, and the bases of the swords become triggers. They both aim their cannon at the chimera, and it knew he's going to be destroyed.

"Fire!" Rarity and Sweetie Belle shouted in unison as they pressed the sword triggers and their combined ray guns fire streams of fire and snow that magically combine and form a ball of magic energy that hits the monster, and it goes down in defeat.

The students and staff who had been watching from the safety of the school cheered, their voices ringing out in support.

It was just when their morphers start beeping and it projected a hologram of Shari Skyline congratulating them with a mix of pride and awe. “You’ve done it, girls. You’ve saved everyone, but the battle isn’t over yet. The true enemy still waits.”

To be continued...

Chapter 4: The Big Megazord Fight

The battlefield was littered with the remnants of the changeling-like foot soldiers whose energy has seeped out of their bodies and absorbed into the defeated monster. It got up and roared, its form expanding and warping, becoming an even larger and more terrifying version of itself.

"We can't let it grow any stronger!" Rarity shouted; her voice filled with determination.

"Right!" Sweetie Belle agreed, her hands already glowing with icy energy as she prepared to charge.

As they moved to attack, the monster's power surged, creating a shockwave that forced them to stagger back. The ground beneath them trembled as the creature continued to grow, its eyes glowing with a sinister light. It raised its massive claws, ready to strike.

Just then, Shari's hologram flickered to life beside them. "Rarity, Sweetie Belle, this monster is too powerful to take on alone. You need more than your powers to defeat it."

"What do we do, Shari?" Sweetie Belle asked, her voice tinged with worry.

Shari smiled, her hologram shimmering with a soft, reassuring light. "It's time for you both to unleash your true potential. I'm giving you your own Zords."

Before they could respond, two beams of light shot down from the sky that strikes the ground in front of them. The earth shook as two massive zords materialized. Rarity's zord was a majestic Unicorn, its body gleaming with deep crimson and gold accents and its horn shimmering with energy. Sweetie Belle's zord was a sleek Pegasus, its ice-blue body adorned with snowflake patterns and its wings spreading wide as if ready to take flight.

"Whoa…" Sweetie Belle whispered in awe.

"These are your Zords," Shari explained. "Rarity, you will pilot the Unicorn zord. Sweetie Belle, the Pegasus zord is yours. Together, they can combine to form a powerful Megazord."

Without hesitation, Rarity and Sweetie Belle leaped into their respective zords. They were instantly sucked up into transport tubes, whisked away to the control base of their Megazord. As they arrived, they found themselves seated side by side, their hands gripping the controls.

"Let's do this, Sweetie Belle," Rarity said, her voice steady.

"Right behind you, sis!" Sweetie Belle replied, her eyes shining with determination.

The Unicorn zord stood upright, its powerful limbs ready for battle. The Pegasus zord soared around it, its wings folding in as it began to merge with the Unicorn zord. The combination was seamless: the Pegasus zord formed the belt, legs, and helmet, while the Unicorn zord's horn extended into a gleaming sword.

The two sisters now piloted a towering Megazord, its eyes glowing with the combined power of fire and ice. The chimera-monster roared in defiance and charged at them, its massive fists swinging wildly.

The Megazord blocked the attack with its arm, then retaliated with a powerful kick that sent the monster staggering back. But the creature was relentless, launching a barrage of punches that rattled the Megazord. Despite their best efforts, Rarity and Sweetie Belle found themselves struggling to keep the Megazord upright.

"We can't hold on much longer!" Sweetie Belle cried out as the Megazord began to falter.

Just as the monster prepared to deliver a final blow, Shari's hologram appeared again, her expression focused and determined. "I'm not letting you lose. I'm sending my magic to aid you!"

With that, Shari raised her horn and a wave of golden magic spread across the battlefield, enveloping the Megazord. The sword in the Megazord's hand began to glow with a radiant light, its power amplified by Shari's magic.

Rarity and Sweetie Belle felt the surge of energy coursing through their controls. "Let's end this once and for all!" Rarity shouted; her voice filled with newfound strength.

The monster lunged at them, but the sisters were ready. With one powerful swing, they slashed through the air, unleashing a beam of pure energy from the sword. The magic ray blast struck the chimera-monster with immense force, cutting through its dark energy.

The monster roared in agony as it was overwhelmed by the power of the Megazord's sword. In a final blinding flash of light, the creature was vanquished, its massive form disintegrating into nothingness.

The battlefield fell silent as the dust settled. Rarity and Sweetie Belle sat back in their seats, breathing heavily but triumphant.

"We did it," Sweetie Belle said, a smile spreading across her face.

Rarity nodded; her eyes still fixed on the spot where the monster had stood. "Yes, we did."

Shari's hologram reappeared; her expression proud. "You've both proven yourselves as true heroes. The world is safe, thanks to you."

As the Megazord powered down, Rarity and Sweetie Belle knew that their journey as superheroes was just beginning. But for now, they could rest, knowing they had protected their world from a great evil.

As they exited their zords, the sun began to rise, casting a warm glow over the landscape—a new dawn for a world now safe and at peace.

To be continued...

Chapter 5: The Celebration of the Galactic Heroes

As the dust settled and the colossal monster lay defeated, Rarity and Sweetie Belle emerged from their Megazord, their Cosmic Guardian outfits gleaming under the sunlight. All the students and staff erupted into cheers. Excitement filled the air as they rushed toward the two sisters, lifting them up over their shoulders and carrying them in celebration. The sounds of joy and admiration echoed across the field as the heroes of the day were paraded around, basking in the glory of their victory.

Sweetie Belle grinned from ear to ear, her heart swelling with pride. "This is amazing, Rarity! We did it!" she exclaimed, waving to the crowd.

Rarity, ever the picture of grace, smiled and waved as well, though she couldn’t resist adjusting her hair with one hand. "Indeed, we did, darling. It was a battle worthy of our new powers."

As the celebration continued, a shimmering light appeared near the edge of the crowd. The students and faculty turned to see a beautiful unicorn goddess with a flowing mane of stars—Shari—appearing in the flesh for the first time. Her presence commanded attention, and the crowd slowly parted to allow her through.

Principal Celestia, who had been watching everything unfold, gasped as she recognized the unicorn. "Shari!" she called out, her voice filled with warmth and familiarity.

Shari trotted up to the principal with a serene smile. "Celestia, it's good to see you again," she replied, her voice melodic and calming.

Without hesitation, Principal Celestia embraced the goddess, tears of joy welling up in her eyes. "It’s been too long, old friend."

The crowd murmured in awe, surprised to see the usually composed principal so emotional.

Sunset Shimmer and the rest of the Rainbooms, who had arrived just in time to witness the scene, exchanged curious glances.

"What’s going on here?" Rainbow Dash asked, her eyes darting between Shari and Principal Celestia.

"I think we missed something big," Sunset added, eyeing Rarity and Sweetie Belle’s new outfits.

The two sisters approached their friends, smiling broadly. Rarity twirled in her purple outfit, the gold accents shimmering in the light. "Do you like them, darlings? Our new uniforms are quite fabulous, if I do say so myself."

Pinkie Pie bounced up and down excitedly. "They’re super-duper awesome! You two look like superheroes straight out of a comic book!"

Applejack tipped her hat, grinning. "Y’all sure put on a show. Never seen anything like it."

Fluttershy blushed and smiled shyly. "You were both very brave."

Principal Celestia cleared her throat, drawing everyone’s attention back to her. "There’s something I need to share with all of you," she began. "I’ve known for some time that Equestrian Magic has been spreading across our world. It’s not just confined to our school anymore. This magic has reached far beyond what we can see, into the very fabric of our galaxy."

The Rainbooms looked at each other, surprised by this revelation.

Celestia continued, "I knew we needed more than just the powers we had. That’s why I created a special communication device—a satellite that could track any magical beings outside our galaxy. I reached out to Shari, the goddess of our world, and asked her to find those worthy of wielding such great power. Rarity and Sweetie Belle were chosen."

Shari nodded in agreement. "They have proven themselves today, but they will not stand alone." She gestured toward the Rainbooms, Apple Bloom, and Scootaloo. "Each of you has the potential for greatness. I offer you the chance to join them as protectors of this world."

With a flick of her horn, Shari summoned six glowing orbs, each one hovering before a different Rainboom, as well as Apple Bloom and Scootaloo. The orbs materialized into morphers, shimmering with power.

The girls gasped in unison, each taking hold of their morpher with awe. Sunset’s eyes lit up with excitement. "This is incredible!"

Principal Celestia smiled proudly. "Rarity and Sweetie Belle, for your bravery and heroism, I crown you both princesses of Galactic Power. To the rest of you, you are now the guardians of this world. Together, you will protect our galaxy from any threats that may come."

The crowd cheered once again; this time louder than before. The newly anointed princesses of Galactic Power and their friends stood tall, united and ready for whatever challenges lay ahead.

Later that night, the celebration continued with a grand party in the school gymnasium. Vinyl Scratch provided the music, her DJ setup blasting out energetic beats that kept everyone dancing. The Rainbooms took to the stage, performing live for the crowd, their new powers giving their performance an extra spark. Sweetie Belle even joined them for a song, her voice harmonizing beautifully with her sister’s.

The gymnasium was filled with laughter and chatter. Tables are laden with treats and drinks. Rarity and Sweetie Belle mingled with their friends, grateful for the chance to relax after the day’s events. Pinkie Pie had organized games and activities, making sure everyone was having the time of their lives.

High above, Shari watched the festivities from the skies, a gentle smile on her face. She's seeing the world she loved so dearly filled with joy and peace that brought her immense satisfaction. As the night wore on, she knew it was time to return to her realm. With a final glance at the celebration, Shari opened a portal in the sky, a swirling vortex of light that led back to her void.

Before stepping through, she whispered softly to the winds, "May you all continue to shine, my champions."

With that, she vanished into the portal, leaving behind a world that was safer, stronger, and filled with the promise of a bright future.

The End