Ben, Gwen, Fred, Gwendolyn, and Charmcaster stumbled out of a shimmering portal into a cavernous room alive with the hum of computer consoles and wall-spanning holo-monitors. The air smelled faintly of ozone and recycled air, punctuated by the occasional clink of data cylinders shifting in their racks. The space looked half high-tech command center, half soaring living room: curved holo-desks floated above white tile floors that gleamed like polished marble, and beneath the soft glow of ambient panels, cushioned pods and sleek workstations invited both relaxation and vigilance.
No sooner had they stepped forward than a cobalt blur whipped around a corner: Ben 10K in his XLR8 form shot toward them. He skidded to a stop a hair's breadth away from young Ben and skidded back upright. "What are you doing here?" he barked, switching back to human form in a blink, eyes flashing with laser focus.
Young Ben's grin was uncontainable. "Well, since we saw Gwen's future palace, we thought we'd visit my future crib. And wow—this place is awesome!" He turned on his heel and bolted deeper into the room, XLR8 again, streaking past floating holo-tables and brushing aside a cluster of auto-servants with barely a nod. "Gotta get the full tour!"
Gwendolyn exchanged a worried look with Charmcaster. Her brow creased. "What are they really up to?" Future Ben muttered under his breath. Charmcaster's lip quivered. "We have to tell them eventually," she whispered, doubt tugging at her voice.
"Tell us what?" Young Ben called from halfway down the center aisle, sprinting between holo-screens. Gwendolyn's eyes darted to a pulsing red indicator on one console. Before she could answer, a chime rang out—urgent and digital. Ben 10K tore toward a console, transforming into XLR8 mid-stride, and slammed a hand on the feed.
A square frame snapped to life: Ultimo, face grim, hunched over a wind-blown dune. "Captain Tennyson," he panted, "we've run into a pickle in Sector D28463. Need backup—immediately."
Ben 10K squared his jaw. "Hold your ground. I'm sending Squad Zeta." He tapped a series of glyphs, and Ultimo saluted. "Zeta inbound." The feed vanished.
Ben 10K pivoted, summoning a second line. "Helena, respond." A cheerful young woman's face lit a hologram. "Captain! Yes, sir?"
"We've got a sector D28463 anomaly—guide Zeta to that location. Handle it."
Her grin was audible even through the holo-audio—"On it, captain!"—before the line fizzled.
A sharp crack echoed as a glass canister toppled off a nearby shelf. Ben winced. "Sorry—my bad." Future Ben frowned. "Haaaa"
He stood straighter, then blinked. "Wait—where's Fred?" Charmcaster's voice wavered. "Odd—he was here minutes ago."
Gwendolyn brushed off her sleeve. "He's probably fine. He's the least of our worries."
Meanwhile just beloBen 10K's HQ Fred was haggling fiercely at the street stall littered with discarded tech. "Eighty credits? This gyro-spanner's missing half its cascade coils!" The vendor, a four-armed alien with copper skin, shrugged. "Take it or leave it, kid."
Fred stormed back, exasperated. "chhh. I'll just hit the junkyard. Since I'm in the future there's bound to be valuable tech" He paused, a spark of inspiration dawning in his eyes: "Yeah—surely there's gold in the rust."
A low, amused chuckle cut through the market chatter. Fred spun around—heart pounding—as a small child tugged at the vendor's sleeve. "Daddy," the boy said in a clear, innocent voice, "that man looks just like you."
Fred froze. Across from him stood Frederick, his future self, clad in a plumber's uniform. A little girl perched on Frederick's shoulder, wriggling with excitement. Frederick's starlit eyes softened. "Yes, Liam—very observant."
Fred's jaw dropped. "So…that's me…in the future?" He stepped closer, voice hushed with awe. "Those cosmic highlights—your hair, your eyes too—they're incredible."
Frederick chuckled softly, ruffling his daughter's hair. "I never thought I'd run into you here. Although I think we should change the scenery before we talk I'm sure you must have questions." He snapped his fingers, and the market's vanished, replaced by the gleaming white hall back at the Grand atrium they first came to with Gwendolyn and Charmcaster.
As soon as the scene change the children bolted for a teleport pad heading to their play room, Frederick turned to Fred in a sudden hush. "So... How'd you get here." Then Frederick's eyes glittered with concern. "Hold that thought."
Fred's expression hardened. His hair swirled into cosmic indigo, his skin rippling with purple-black starlight. He traced a finger through midair, and in a flash he and Frederick materialized beside Ben, Gwendolyn, and Charmcaster. Frederick's gaze was razor-sharp as he caught sight of the holo-Max feed.
Back at Ben 10K's HQ, alarms blared through speakers. A giant holographic screen flickered above a central console, Kevin displayed with a concerned face, eyes wide with urgency. "Not Good! We've got incoming! Eon's ripped through the Sardius Sector defenses!"
Charmcaster scowled. "You finally decided to join us."
Future Fred flexed cosmic-tinted fingers. "How bad is it?" His voice trembled with restrained power.
Gwendolyn swallowed. "We just lost contact with the Plumbers' space HQ—they're under heavy attack. And Ben just went to the Sahara desert to deal with the evil version of grandpa."
Before she finished, a deep, resonating voice echoed through the chamber: "Don't you love it when everything falls neatly into place?" The air crackled with time-strained energy.
Charmcaster's eyes flickered red. Gwendolyn's shoulders stiffened. Frederick's stance went rigid. None of them needed to recognize the laughter—they'd heard it through every broken timeline.
A swirling portal appeared, and Eon stepped through: cowl pulled low, crackling chronal lightning dancing across his robes. He eyed the children with contempt. "The Rodwell family…and don't forget the Tennysons," he sneered at young Ben and Gwen.
Another voice slithered from the shadows: "Long time, Hope. I do miss you." Charmcaster's jaw dropped as Venus emerged, her dark red mana flickering across pale skin. Not far behind her strode Michael Morningstar, aura crackling like sickly embers. Charmcaster's spine stiffened. "You cockroach," she spat, lips curling in disgust.
Gwendolyn swallowed. "Venus. Michael." Frederick's voice was deadly calm. "Explains how you broke through Gwendolyn and Hope's multilayer barrier to ward you off. But even so: your still outmatched."
Eon's grin widened. "Calm yourselves. I came prepared—and I brought a special gift." He raised a hand, and behind him another portal sizzled open, revealing anxiously waiting an Anodite-Celestialsapien Hybrid and more so it looked like it had very little sense of reason only the urge to destroy oozed from it's being.
Frederick's eyes widened. In an instant he vaulted upward, tackling the hybrid creature, soaring through the roof towards space before it or Eon could react.
Gwendolyn's face drained of color. "The odds…" Charmcaster's voice shook with determination as she began inscribing a massive sealing circle at their feet. "This is too dangerous— Can risk a battle on earth."
With a sudden incantation, the four got teleported by a magic: circle Gwendolyn, Charmcaster, Venus, and Michael vanished in a burst of radiant glyphs, leaving the atrium's polished white floor eerily empty.
Eon turned, coiling his robes around him as the remaining group—Ben, Gwen, Fred, stood frozen. His laughter filled the chamber. "Now then let's have some fun shall we."
Ben 10K vs. Evil Max:
Across burning dunes etched with crumbling ziggurats, Ben 10K's Jump-Star form hurtled at Evil Max, who transformed into Chromastone mid-air, crystalline armor glinting under the scorching sun. Each of Ben 10K's fists crackled with star-fire as he delivered a seismic ground pound, carving deep trench lines in the sand. Evil Max countered by spinning into Four Arms, unleashing a quartet of crushing slams that sent shockwaves rippling through buried ruins. They bounded from fallen pillars to scattering archives, trading blows until Ben twisted air into a vacuum vortex, sucking Max's momentum away—then struck with a meteoric burst, hurling him into a shattered obelisk.
Frederick vs. Celestio-Anodite Hybrid :
Above the stratosphere, Frederick's translucent Celestialsapien silhouette clashed with the malformed Gwen hybrid, whose jagged yellow mana bolts shredded reality like torn fabric. Each of Frederick's reality-bending jabs bent the ever-shifting clouds into spirals of cosmic dust. She retaliated with a scream that rended the sky, summoning twisting rifts that threatened to swallow them whole. Frederick plunged through one rift, reemerging behind her with a crushing palm strike that rippled the atmosphere into prismatic shards. The hybrid roared, lashing out with mana-fused limbs that fractured the edge of space, but Frederick anchored her with a sliver of stabilized gravity—forcing her to sink into a cocoon of re-stabilized time.
Kevin vs. Osmosian Horde (Plumber Station):
In zero-gravity corridors lit by flaring warning lights, Kevin darted among bursts of swirling Osmo-biomass. Each mutant Osmosian skittered like bulbous insects—claws clicking against maintenance grates. Kevin used the station's magnetic handrails to vault and spin, delivering electrified roundhouse kicks that scattered lesser mutants in arcs of shimmering sparks. At the heart of the swarm, Assimilator loomed—skin slick with corrosive fluid, maw flashing rows of triturator teeth. Kevin drew in a breath and activated his Plumber gauntlet, projecting a containment net of green energy that snapped open like a star-forge grid. As Assimilator broke free, Kevin leapt and slammed into him with a sonic boom punch, sending the beast careening into a decontamination vent—sealing it with a final clang.
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