When A Filipino got Isekai'd with A Twist.
" Only i Can Summon those!"
Chapter 19: Father!
The battlefield trembled under Xandros' presence. His molten aura warped the air itself, turning clouds into ash and sky into a bleeding crimson storm. Lightning cracked across the heavens as he moved—each swing of his arm sent waves of force that could tear apart fleets.
Lyra's hands gripped the controls, knuckles white. Her Sky Defender Gundam hovered between the shattered clouds, armor glowing pink and white, wings trailing streams of light. Every breath she took echoed with the sound of alarms.
"Metatron," she whispered, "assist me… please."
"Affirmative, Princess Lyra," the AI's calm voice resonated through her cockpit. "Initiating combat synchronization. Linking sensory input… adjusting response time… evasive matrix active."
Her HUD flickered—then sharpened.
The world slowed.
Xandros lunged forward, his claw streaking with black flames, large enough to eclipse her entire screen.
"Too slow!" he growled.
But Lyra's eyes narrowed.
"Metatron, strafe—pattern delta!"
"Executing."
The Sky Defender spun sideways just as the claw sliced through the air, missing by inches. A sonic boom erupted from behind her, the shockwave alone enough to hurl her through the clouds. She steadied her controls, boosters flaring.
"Counterstrike now," Metatron instructed.
Her Gundam's wings folded inward, converting into twin plasma cannons that hummed with pink light.
"Let's see if this works," she hissed.
She fired.
Twin beams tore through the clouds and smashed into Xandros' chest, the explosion lighting up the sky. For a moment, his figure vanished in the glare—
—but then the light was swallowed whole.
The Demon Lord emerged from the smoke, unscathed, his aura devouring the energy.
"Energy absorption detected," Metatron warned. "His aura is converting your beam attacks into mana. Avoid direct plasma engagement."
"Great," Lyra muttered. "Then let's change the rhythm."
She pushed her controls forward. The Sky Defender folded its cannons back, drawing its energy lance instead. Her boosters ignited into a pink-white inferno as she charged in.
Xandros grinned, wings spreading wide as his aura flared again, swirling around him like a hurricane of shadows. "Futile!"
He swung his arm—a wave of darkness sweeping across the sky.
"Metatron—maneuver vector forty-seven!"
The Gundam dove straight down, then spun upward through the narrow gap of the blast, its wings cutting through the dark miasma. The sensors buzzed red, but she pressed on.
"Now, engage close range!"
"Engaging," Metatron confirmed.
The Sky Defender burst out of the darkness like a pink comet. Lyra twisted the lance and thrust it into Xandros' chest, the impact sending a deafening boom across the clouds. The energy blade drilled deep, cracking the demon's molten armor.
But Xandros only laughed.
His aura surged, crawling up the lance like living fire.
"Do you feel it, human? That power you cling to—it feeds me!"
The surge of dark energy overloaded her cockpit. Lyra screamed as the controls sparked, the entire Gundam shaking violently.
"Warning—systems overload!" Metatron shouted.
"Divert it—now!" Lyra gasped.
"Redirecting excess power to thrusters."
The Sky Defender flared, wings splitting open as energy vents released glowing steam. Lyra pulled back just as Xandros' fist swung again.
"Evasive!"
"Understood."
The Gundam spun backward, flipping through the air, and barely dodged the blow. The sheer pressure of it split the clouds apart, tearing open a void in the sky.
Lyra steadied her breathing. "He's toying with me…"
"Negative," Metatron replied. "His aura intensity rising by 4.3% every second. He's harvesting ambient mana from the battlefield. If not stopped, his strength will surpass measurable limits."
"So he's… farming us," she whispered.
"Correct."
Lyra's teeth clenched. "Then I'll stop feeding him."
She powered down her outer weapons, focusing all energy to her blade and boosters. Her HUD flashed MELEE PRIORITY MODE—ENGAGED.
"Metatron, sync ratio!"
"Combat sync at 93%… 95%... maximum potential reached."
Lyra exhaled, eyes steady now. "Let's dance, you overgrown lizard."
She charged again—faster this time. Every motion was precise, every dodge perfectly timed. Xandros struck with crushing power, but the Sky Defender weaved between his blows, landing counterstrikes that sliced through his aura like cracks in glass.
Each impact echoed like thunder.
Each swing sent blinding arcs of pink and black light through the sky.
"Excellent reaction speed," Metatron noted. "Adapting to enemy tempo."
"I'm not adapting," Lyra muttered, voice low but fierce. "I'm leading."
Xandros snarled as a blade strike tore across his face, molten blood spraying into the air.
His roar shook the atmosphere. "ENOUGH!"
He spread his arms, and his aura exploded outward—a massive black storm expanding in every direction, devouring light, energy, and sound.
"Metatron, status?!"
"Unknown spatial anomaly—origin: Xandros' core. Estimated radius: expanding to twenty kilometers. Princess, this attack will consume everything."
Lyra's face hardened. "Then we'll stop it before it starts."
She pushed her throttle to the limit. The Sky Defender Gundam's wings split apart into six separate funnels of glowing pink light, surrounding her.
"Metatron, activate Celestial Burst Formation!"
"Confirmed."
The funnels spread out, forming a glowing sigil around Xandros as Lyra dove toward his core, every system in her Gundam screaming at max capacity.
Xandros' eyes widened slightly. "You dare challenge a god in his own storm?"
Lyra glared through the light. "I don't need to be a god… I just need to hit you hard enough to remember me!"
The Sky Defender struck—
Her blade ignited with divine light—
And the explosion that followed shattered the sky itself.
Lyra's hands trembled on the controls. The upgraded Gundam — pink armor gleaming with faint celestial light — danced across the sky, guided by Metatron's voice.
"Incoming—left flank, 32 degrees!"
She pulled hard, the machine twisting aside as Xandros' black energy spear tore through the air. The shockwave rattled her cockpit. Alarms blared.
"You're getting slower, princess!" Xandros' voice thundered through the comms, filled with cruel delight. His corrupted aura surged outward, warping the ground below like liquid shadow.
"Metatron, reroute the output to the thrusters!" Lyra shouted, sweat dripping from her brow. "Keep him off balance!"
"Affirmative. Evasive pattern Delta—initiating counter-thrust."
The Gundam spun backward, firing a volley of plasma shots. Xandros deflected each one with his bare hand, the black flames around him absorbing the blasts.
"Your machine is nothing before me!" he roared, lunging forward.
Lyra gasped. The sensors screamed. She tried to dodge, but he was too fast. The dark blade came crashing down —
And then the sky split apart.
A violent surge of infernal energy erupted between them, scattering debris and forcing both back. Lyra's eyes widened as a towering figure emerged from the storm of black fire. Horns curled from his head, and chains wreathed his arms. His eyes burned crimson — ancient, wrathful, and unmistakably powerful.
Mephistopheles. The Demon King of Incarceration.
He stood between her and Xandros, his massive hand catching the descending blade with ease. Sparks danced across his palm as he tightened his grip until the blade cracked.
"Touch her again," Mephistopheles growled, his voice a deep rumble that seemed to shake the air itself, "and I'll make sure your soul never reincarnates again."
Xandros sneered but took a cautious step back, his aura shifting uneasily. Even he could feel it — the suffocating, absolute pressure that radiated from the Demon King.
Inside her cockpit, Lyra froze, her breath trembling. "He… saved me?" she whispered, still stunned.
"Affirmative," Metatron murmured softly. "Energy signature confirmed: Mephistopheles, Lord of Incarceration. Alignment… uncertain."
Mephistopheles glanced over his shoulder, his crimson eyes briefly meeting the Gundam's glowing optics.
"You fought well, girl," he said evenly. "Now rest your heart. I'll handle this monster."
Then he turned back to Xandros, his chains clinking as they uncoiled like serpents ready to strike.
The battlefield trembled again — the clash of two overwhelming presences about to ignite.
The battlefield went eerily quiet.
Only the flicker of fire and the low hum of burning energy filled the void where armies once clashed.
Mephistopheles stood before Xandros—chains dragging across the cracked, molten earth—his shadow stretching like an omen beneath the blood-red sky.
Inside her cockpit, Lyra's breath caught. "Metatron…" she whispered, eyes locked on the dark figure below. "Is that really… him?"
"Confirmed," the AI replied, voice steady but low. "Demon King of Incarceration—designation: Mephistopheles. Power readings… off the scale."
Outside, Mephistopheles raised his head. The faint red glow beneath his pale skin pulsed like a living heartbeat. His gaze was cold, unreadable, ancient.
Xandros tilted his head, the corners of his monstrous mouth curling into a smirk. "So… the fallen prince of hell finally shows himself," he said, voice dripping with mockery. "What's this? Come to join the losing side?"
Mephistopheles didn't answer immediately. He cracked his neck, rolling his wrist with the kind of calm that only confidence or apathy could bring. The flames around him bent slightly, reacting to his presence.
Then, in a voice as calm as it was final, he spoke—
"Don't get the wrong idea."
Even Xandros paused, curiosity flickering across his features.
"I'm not saving her out of pity," Mephistopheles continued, turning his gaze toward the heavens.
Lyra followed it—and saw the smoldering, broken silhouette of the Cosmic White Wing Gundam suspended in the air, its once-brilliant armor shattered.
"I'm doing this," Mephistopheles said quietly, "because of my father."
That line cut through the battlefield like a blade.
Lyra's eyes widened." Why now…?!" she gasped. " I just realized something tht dad once told me"
Her mind flashed back—Kieth's smile And said. " If someone is ineed if you have the power to change even a tiny bit of that someone's situation dont hesitate to help. Mybe one day they'll return the favor some day when you need it." Kieths said and wink at her., the way he used to speak of the ancient heroes who came before, and the one thing he never talked about: the day he found her.
The last survivor of a forgotten demon race.
A child standing alone in the ruins of her burning city, clutching her mother's pendant as the sky fell apart.
Lyra remembered the stories.
How the world had turned on Mina's people—the Infernals—branding them monsters because their souls burned with both demonic and divine light. How humanity's fear had wiped them out.
And how Kieth—the reckless, brilliant fool of a hero—had carried the terrified child out of the flames and said, "You're safe now, kid. You're one of us."
He didn't care what she was.
He just couldn't stand to see another innocent die.
Now that same child—the one Kieth raised, trained, and loved as his own daughter—was standing before the Demon Lord of Destruction himself.
Mephistopheles lowered his head again, his expression hardening. The air warped around him as his chains began to glow, their tips igniting in deep crimson.
"I owe him more than I could ever repay," he said softly. Then his tone turned sharp, venomous. "And you're standing in the way of that debt."
The ground exploded beneath his feet as he launched forward.
Chains whipped outward, each one leaving trails of molten light as they struck.
Xandros blocked with his corrupted blade, the impact shattering the earth beneath them.
Every swing, every strike, echoed like thunder—each blow carrying enough force to tear through mountains.
"You think because you're his son, you can win?" Xandros snarled, countering with a sweeping strike that carved through the ground like a scythe.
Mephistopheles twisted midair, deflecting the blow with a burst of red lightning.
"No," he replied coldly. "I think because I'm his son… I don't need to lose."
The clash between them became a storm.
Each impact split the sky open, shockwaves rolling across the battlefield and scattering both armies. Even the Gundams' sensors struggled to keep up with their speed.
Inside her cockpit, Lyra gritted her teeth as the vibrations shook her seat. "Metatron! Get me closer! I have to—"
"Negative," the AI cut her off sharply. "Energy levels insufficient. Engaging will compromise your system integrity. You'll only become a liability."
"Damn it!" she slammed her fist against the console, frustration welling in her chest.
Through the smoke and flame, she could see them—Mephistopheles fighting like a living storm, his movements fluid yet brutal, every chain strike pulsing with crimson light. But even then, Xandros was relentless, feeding off the chaos, his aura expanding with every moment.
Still, Mephistopheles smiled.
"You've grown stronger, Xandros," he said between blows, almost laughing. "Good. That means I can finally cut loose."
The chains erupted in full flame now—black fire twisted with red lightning—spiraling around him like wings made of wrath.
Lyra's breath caught as she whispered to herself, her eyes wide with awe and fear.
"So this… this is the power of Kieth's bloodline…"
And then, the battlefield lit up again—
two titans clashing beneath a fractured sky,
the adopted son of a hero standing against the Demon Lord of Destruction himself.
The battlefield trembled like a dying beast.
Each clash between Mephistopheles and Xandros tore chunks of earth into the air, melting stone and bending light. The two blurred across the field — one wreathed in chains of black flame, the other cloaked in a storm of corrupted aura that made even the sky bleed red.
Lyra could barely keep her Gundam stable. Warning lights flared across her screen. "Metatron, energy readings— they're off the charts!"
"Confirmed," the AI's voice buzzed. "Reality itself is starting to fracture. Combat continuation beyond this threshold is—"
"—Like either of them cares," she muttered.
Outside, Mephistopheles' chains coiled around Xandros like a thousand burning serpents. "You can't win, Xandros!" he shouted, slamming him into the cracked ground. "You're bleeding power with every strike!"
For a moment, silence fell. The world seemed to hold its breath.
Then Xandros laughed.
It wasn't the wild, battle-crazed kind of laugh. It was slow. Mocking. Certain.
"Win?" he echoed, grinning through the blood on his face. "You think that's what I was trying to do?"
Mephistopheles froze — his expression hardening.
"What are you talking about?"
Xandros tilted his head back, eyes gleaming with a cruel light.
"I wasn't fighting to win, child of Kieth."
The sky cracked.
A sound like tearing metal ripped through the heavens as a massive rift opened above them — swirling with chaos, lightning, and crimson light. The pressure that poured from it made Lyra's Gundam systems scream in protest.
Metatron's tone glitched. "Unknown anomaly— energy signature immeasurable. Warning! Spatial rift expanding exponentially!"
Lyra's breath caught. "He… he was stalling us?"
Mephistopheles' chains faltered midair, the realization sinking in.
Xandros wiped the blood from his mouth and smirked. "While you two were busy trying to play heroes…"
He pointed his sword toward the sky, where something enormous and dark began to push through the rift.
"…I was making sure the real war could begin."
The light swallowed everything.
Lyra screamed.
Mephistopheles raised his hand to shield his eyes.
And Xandros — grinning like a man who had already won — whispered through the roar of chaos,
"Welcome to extinction."
[To be continued…]