"Primordial God, behold this king's great deeds and tremble!!"
"Savor the fireworks born of this king's conviction and life! Then plummet into the abyss with your hatred!!"
Boom!!
Radiant flames pierced the air, shattering the darkness, blooming fiercely before Tiamat's dragon form, which had just reconstructed its Saint Graph and was climbing out of the Underworld's abyss.
"Aaaaaaaaaaaaaa!!!"
Scorching heat and ferocious impact surged unrelentingly, prompting an enraged roar from the Mother of Genesis.
But the flames feared not her fury. In an instant, the blaze ignited by life and conviction flared, shining like a star, its searing heat dispelling the boundless darkness at the Underworld's entrance.
The deafening explosion echoed like thunder, flames soaring, consuming everything in their path.
In the next moment, the abyss tilted, the world spun, and the evil dragon lost its footing, its body plummeting straight into the Underworld's depths…
The dazzling fireworks of Gilgamesh's life and conviction successfully shattered Tiamat's newly formed wings, causing her body to lose balance midair and fall uncontrollably downward.
However, the explosion Gilgamesh created, while destroying the Mother of Genesis's massive wings, lacked the strength to continue burning.
Tiamat's swaying form flipped midair, completely unbalanced, her ascent turning to descent.
Though her massive wings were destroyed by Gilgamesh, her desire for [Regression] remained undiminished. Using black mud and dragon claws, she gripped the rock wall, halting herself midair, awaiting the next chance to escape the Underworld.
"Even after all this, she still hasn't fallen?!!"
Ishtar's face darkened as she witnessed the horrifying scene, her mood growing heavier.
The Mother of Genesis's strength and persistence far exceeded their expectations. Even Gilgamesh's sacrifice couldn't push her into the Underworld, what now?
"Could it really come to…"
Ishtar's face showed conflict, as if wrestling with a decision.
"Ritsuka, Mash, get off Maanna. I might have to…"
After a moment's silence, Ishtar drew the faintly glowing golden wedge, exhaling deeply, her eyes flashing with resolve, as if making a monumental choice.
"Miss Ishtar!!"
Mash and Ritsuka shouted anxiously.
They knew Ishtar intended to mimic Gilgamesh's self-destruction, using the impact to force Tiamat deep into the Underworld.
But… how could they allow that?!
"I'm fine. If that Goldie can do it, this goddess can…"
"Can what, Ishtar?"
At that moment, a familiar voice reached Ishtar's ears. A white figure burst through the towering Sea of Chaos, defying its flow, and leapt upward through the air.
With Tiamat Lily's aid, Roy emerged unscathed from the black mud, reaching Tiamat's head, his gaze fixed on her massive dragon form. A radiant orb of light glimmered at his fingertips.
Nearly nine thousand magical circuits surged to life, a blinding white glow like a night pearl piercing the darkness at the abyss's entrance.
Countless faint white photons danced like stars, twinkling beautifully in the night sky.
With his ice-blue Mystic Eyes activated, Roy leapt high, raising the condensed mana orb in his hand, aiming at Tiamat's colossal dragon form below,
And swung down!!
"Fall, evil dragon!!"
In an instant, white light surged from Roy's arm, carrying boundless mana, roaring forth like a galaxy plummeting from the sky, washing over Tiamat's massive body.
The light of the soul shone with ultimate brilliance, its erupting power expanding to its limit, enveloping the Evil of Humanity and the rock she clung to.
The white light hung like a sun in the Underworld's sky, its warm, intense glow filling everyone's vision.
Even Merlin and the others at the Underworld's depths could clearly see the dazzling white aurora above.
"Well done, Roy! Now the Mother of Genesis has no options left."
With his Clairvoyance, Merlin saw everything unfolding above, cheering with a joyful smile.
"This means the battle against Humanity's Evil can soon begin. Goddess Ereshkigal…"
Merlin softly called to Ereshkigal, who was gazing at the white light in the Underworld's sky with a worried expression.
"Eh? What's that?"
"Nothing, just suggesting you prepare to receive Tiamat. The earth dragon is truly falling this time."
Meanwhile, in the abyss's tunnel above, searing mana and white light relentlessly battered Tiamat's massive form.
Her wings of chaos and her outer skin crumbled under the extreme mana's onslaught, her flesh and corruption burning like straw in a fire, rapidly vanishing.
"Aaaaaaaaaaaaa!!!"
Roy's full-force attack, no less potent than Ishtar's Noble Phantasm, furiously dismantled the special body formed by the Sea of Chaos.
Mystery yields to higher mystery, and against Tiamat, the pinnacle of myth and Mother of Genesis, modern magecraft was nearly ineffective.
Having never studied high magecraft of the Age of Gods, Roy relied solely on his raw strength and mana capacity for overwhelming combat since arriving in this era.
This full-powered mana beam clearly dealt Tiamat significant pain, eliciting a sky-shattering wail.
Boom!!
Under the white light's cover and destruction, Tiamat's massive wings and the rock wall she clung to collapsed.
Though the attack couldn't deliver a decisive blow, that wasn't Roy's goal.
In Mesopotamia, without the Grand concept of death, Tiamat couldn't be killed. His sole objective was,
Destroy her wings and black mud, break her limbs' leverage, and drag her into the Underworld's abyss himself.
Ultimately, Tiamat's body, deprived of the Sea of Chaos's aid and her wings' support, fell limply from the Underworld's entrance.
She tried to use mana to boost herself, but Roy gave her no chance. Leaping down without pause, he erupted with mana, using Reinforcement to stomp heavily on her head, driving her deeper into the Underworld.
"No escaping!!"
With a flick of his hand, pure white mana chains formed in Roy's palm, tightly binding Tiamat's dragon form under his control, falling with her into the abyss.
Lacking Arcueid's Reality Marble-like ability, Roy couldn't wield Enkidu's Chain of Heaven, relying instead on condensed mana chains to bind her.
Binding the Mother of Genesis with mana chains was laughable, but his goal wasn't true restraint, just to distract her.
The true trump card was himself, tasked with guarding the Beast of Calamity, preventing Tiamat from using self-reconstruction to escape the final battlefield during the fall.
While plummeting, Roy didn't forget to call out to Ishtar above and Ereshkigal below.
"Ishtar, bring Ritsuka and Mash down quick. We're moving the battlefield."
"Ereshkigal, create a pit big enough for Tiamat directly below me. We'll face her there."
"Oh? Ah!!"
Roy's timely intervention and the rapid shift in the battle's tide caught Ishtar off guard, who had been ready to emulate Gilgamesh's sacrifice.
After a few seconds of stunned silence on Maanna, she grasped the situation.
She glanced at Ritsuka and Mash beside her, instructing, "Chaldea's Master, that annoying Goldie's gone. I'll take you down now."
"Alright."
Ritsuka nodded, eager to join Roy and the others below.
"But my Maanna's never carried three people. Be ready for a rough fall."
"Eh?!"
Ishtar's words confused Ritsuka and Mash, but they soon understood through experience.
Following Roy and Tiamat's dragon form, Ritsuka and Mash, clinging to Maanna's rear, plummeted toward the Underworld's abyss with Ishtar.
"Aaaaaaaah!!!"
"Stupid Maanna, out of control again! I knew this would happen!!"
Piercing screams echoed above the Underworld.
…
Below Uruk, in the dim Underworld.
Ereshkigal, following Roy's instructions, used her authority as the Underworld's mistress to tear a massive chasm in the dark earth, sized and deep enough, hundreds of meters, to accommodate Tiamat's form.
Nearby, Quetzalcoatl and Jaguar Man, who'd been absent but suddenly reappeared, chatted while anxiously awaiting Roy's arrival.
Due to Tezcatlipoca's presence, Jaguar Man Taiga Fujimura was reluctant to appear. Even in battle, she'd linger at the edges, farming minor enemies, avoiding the impermanent god she instinctively feared.
She was terrified of Tezcatlipoca.
In Aztec myth, Jaguar Man's origin traced to Tezcatlipoca, the Lord of the First Sun. After being ousted by Quetzalcoatl, he transformed into a jaguar in rage, devouring that era's humans, birthing the Jaguar Man concept and the Fourth Jaguar Age.
Her jungle goddess and Jaguar Man concepts were split from Tezcatlipoca, her "boss."
Just seeing him filled Taiga with unparalleled fear, dreading he'd devour her to reclaim his power.
If not for the final battle, where she was a valuable asset, Taiga would never appear before Tezcatlipoca.
Even now, in the Underworld's battlefield, she was scared stiff!!
"Hm? Hmph!"
Glancing at Taiga, cowering behind Quetzalcoatl like a kitten, Tezcatlipoca snorted, saying nothing.
Though silent, the Aztec god inwardly cursed the useless jaguar, a divine fragment of his concept, for having less willpower than a mortal.
What a worthless thing…
How did he split off such a useless creature?
Tezcatlipoca pondered, then snapped his fingers, connecting to Chaldea's Spiritron comms, asking Dr. Roman, "Hey! King o… er, magus, what's the situation up there?"
"Eh?!"
When Tezcatlipoca nearly said "King of Magecraft," Romani Archaman's heart skipped, nearly fainting. Glancing at the oblivious Chaldea staff, he sighed in relief, quickly answering and changing the subject.
"Just now, to stop Tiamat's dragon form from escaping the Underworld, King Gilgamesh crashed his golden ark into her, pushing her back to the abyss's center. Roy's taken over, bringing Tiamat down to your position soon."
"So… the King of Heroes died?"
Hearing of Gilgamesh's sacrifice, Tezcatlipoca exhaled a smoke ring, his expression tinged with regret.
Though Gilgamesh's life wasn't significant to him, they had no bond, where would he buy those stylish cannons now?!
"Sigh, couldn't escape his fated end, huh? Uruk's true fall comes only with Gilgamesh's death. As long as he lived, Uruk wouldn't perish."
"The Tablet of Destinies foretold Uruk's end, proclaiming his fate. Such a pity… just a bit longer, and he could've witnessed it with us."
Merlin, long aware of Gilgamesh's fate, sighed softly, mildly regretful but not overly saddened.
This was Gilgamesh's destiny, his choice. Such a grand death was his best end.
Besides, Merlin was an emotionless incubus. Apart from Artoria stirring guilt, and Roy bringing warmth and joy, he felt little else.
As for Gilgamesh?
A temporary boss, gone and gone. The Song of Creation was the priority.
Like a fairy tale, facing a great dragon with friends to save the world was something he eagerly anticipated.
If only Artoria were here in the Seventh Singularity. Roy summoned her Heroic Spirit to the modern era, unable to reach this time, or their trio's bond would've made slaying the dragon the perfect story.
"Ehhh?!!!"
While Merlin mused, Ereshkigal, the Underworld's mistress, let out a startled scream: "What's all this?!"
"Hm?"
Everyone looked up, seeing the Sea of Chaos cascade like a waterfall from the sky, intent on engulfing them.
In this crisis, Merlin abandoned his thoughts, raising his staff to transform the corrosive mud into flowers.
But a brighter white light erupted.
Roar!!
Black flames mixed with boundless mana burst midair, incinerating the falling mud in an instant.
"Oh my, looks like big brother's help isn't needed. Our protagonist has arrived~"
Seeing the black flames erupt, Merlin lowered his staff, smiling warmly, and said to the others, "They're here~"
Bang!!
As they looked up, a dragon-like figure plummeted, crashing into the massive pit Ereshkigal prepared.
The colossal impact and deafening crash shook the entire Underworld.
They easily recognized the figure, the Seventh Singularity's final enemy, the Beast of Calamity, Tiamat's dragon form.
A figure leapt over Tiamat, grabbing her scales, jumping from her massive head.
Roy surveyed the group, confirming everyone's presence in the Underworld, then called to Merlin and the others.
"Don't just stand there, come gang up on her!!"
___
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