In DxD Starting with Sign-Ing in as the Red Dragon

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The Conqueror had thrown himself into the fray with everything he had. Now, only Akira, Saber, and Gilgamesh remained on the battlefield. Akira glanced at the arrogant golden king, his mind racing. He had wondered why Agumon had warned him that the world's destruction was accelerating at an unnatural pace. Now, it all made sense—Gilgamesh was the culprit behind it all. This arrogant king had caused him so much trouble, and Akira felt it was only right to return the favor.

"Gilgamesh," Akira spoke slowly, his voice calm but laced with menace.

"Oh? Are you planning to make a move against me, Leviathan?" Gilgamesh smirked, his golden armor gleaming as ripples of energy began to form around him. Facing Akira, Gilgamesh had shifted from his usual overconfidence to a more cautious stance. He had already drawn Ea, his ultimate weapon, before the battle had even begun.

"Before we start, there's something I want to tell you," Akira said, his smile dripping with mockery.

"Oh? And what might that be? I must say, I appreciate subordinates who report to their king," Gilgamesh replied, trying to maintain his usual air of superiority. But in this situation, verbal jabs held no weight.

"Subordinate? Don't flatter yourself," Akira retorted. "I just wanted to let you know—while you were busy playing king, Saber and I have had our fun... over twenty thousand times."

Gilgamesh's eyebrow twitched. "What do you mean by 'had fun'?"

"Saber, come here," Akira beckoned.

"Akira, you're really..." Saber sighed, her cheeks flushing slightly. She knew exactly what Akira was planning, but she complied nonetheless. She stepped forward and wrapped her arms around him.

Akira gently tilted Saber's chin, bringing her lips to his. Saber let out a soft moan before reciprocating the kiss with equal passion. She held onto Akira tightly, her hands resting on his neck and waist, showing no hesitation.

"Saber! You—!" Gilgamesh's voice trembled with rage as he watched the scene unfold. He had suspected that Saber had been influenced by Akira, but he never imagined she would display such a feminine side. The golden king's mana surged uncontrollably, his anger reaching unprecedented levels.

"You dare insult a king! You dare insult me!" Gilgamesh roared. Around him, thousands of golden ripples formed in the air as he summoned his Gate of Babylon.

But Akira was unfazed. As his power had grown, so had his ability to manipulate dimensional energy. In response to Gilgamesh's barrage of Noble Phantasms, Akira conjured a massive dimensional barrier, absorbing every weapon that came his way.

The bombardment lasted for half a minute before Gilgamesh finally ceased his attack. Without releasing their true names, his Noble Phantasms were useless against Akira's defenses.

Akira released Saber, who was now blushing deeply, and smirked at Gilgamesh. "So? What are you going to do about it? Kings of smaller nations have always been humiliated by emperors. Who said a human king couldn't make deals with a devil?"

He paused, then added with a sly grin, "Oh, and by the way... Saber is quite... refreshing."

Akira licked his lips, savoring the memory, while Saber pouted and lightly punched his arm. Her playful demeanor only infuriated Gilgamesh further.

"You insolent fool! You're digging your own grave!" Gilgamesh roared, unleashing another wave of Noble Phantasms. This time, he activated their true names.

[Indra's Thunder!]

This weapon, a relic from ancient Indian mythology, was said to have been used by the thunder god Indra to slay the dragon Vritra. In the world of DxD, it was a weapon of immense power, capable of rivaling even the mightiest of dragons.

[Harpe, the Slayer of Immortals!]

A unique, sickle-shaped blade with the ability to inflict wounds that could never heal. It was the weapon used by the hero Perseus to behead Medusa, rendering her immortality useless.

[Gungnir, the Spear of Destiny!]

The spear of Odin, the All-Father of Norse mythology. Once thrown, it would strike its target with unerring accuracy, a weapon of absolute destruction.

But Akira remained calm. "It's useless," he said with a dismissive wave.

"Agumon," Akira called out.

[Understood, Akira!]

Before Gilgamesh's Noble Phantasms could reach them, a massive golden barrier, several kilometers in diameter, materialized in front of Akira. This was the [Shield of Courage and Faith], a protective barrier created by Agumon to shield the world from external threats.

Akira released Saber's hand and turned to her. "Saber, I think you can handle him now, right?"

Saber and Gilgamesh were both top-tier Servants, their strengths originally on par. But now, Saber had absorbed Akira's second-tier mutation piece, evolving into something far greater.

"Leave it to me," Saber said confidently. Her golden sword, Excalibur, materialized in her hand, its radiant light cutting through the darkness. She stepped forward, her resolve unwavering.

She knew the truth—Gilgamesh had been manipulating the dimensional storms, testing humanity and the world itself. Such a king, clinging to the old ways, was a danger to the fragile balance of the world. He had to be stopped.

Behind Saber, Akira's body began to glow with a blue aura.

[Divide!]

The wings of the White Dragon Emperor appeared on his back.

[Vanishing Dragon Balance Breaker!]

[Forbidden Move—'Armor of the White Dragon Emperor'!]

In an instant, Akira was clad in the exquisite armor of the White Dragon Emperor, its blue radiance illuminating the battlefield.

[I—]

[Awaken as the Heavenly Dragon who has lost everything to the truth of domination—]

The dragon armor pulsed with immense power as Akira's form began to shift, taking on the appearance of a dragon.

[My body knows no limits, my heart seeks the infinite—]

[I, who have attained the pinnacle of the White Dragon's tyranny—]

[Invite you to the realm of purity and perfection!]

[Juggernaut Drive!!!]

As Akira activated his Juggernaut Drive, Gilgamesh was not idle. After several failed attempts, he finally understood the situation. The [Shield of Courage and Faith] had blocked his Noble Phantasms, and Akira's dimensional manipulation had rendered his attacks useless. His weapons were either being stolen or transported to another dimension.

He could no longer rely on simply firing Noble Phantasms from his Gate of Babylon. He needed to activate their true names.

"You insolent fool! How about this?!" Gilgamesh roared, summoning Ea, the Sword of Rupture. The blade began to spin, its power distorting the very fabric of reality.

[Speak of the beginning, the severing of heaven and earth!]

[The gospel of the void that splits the world!]

[The sword that cleaves the world is my Ea!]

[Weave the stars, gather the cosmos! The so-called 'heavenly hell' is the end of the primordial night!]

"Don't think you'll succeed!" Saber shouted, her Excalibur glowing with unparalleled brilliance. Thanks to Akira's mutation piece, she could now release the Thirteen Restraints of Excalibur, transforming it into the true Sword of Promised Victory.

"Release the Thirteen Restraints! Commence the Round Table Decision!" Saber declared. As she spoke, the spectral forms of her Knights of the Round Table appeared around her, each granting their approval to release the sword's full power.

[Acknowledged—This is a battle against a stronger foe!]

[Acknowledged—This is a battle against evil!]

[Acknowledged—This is a battle to save the world!]

[Acknowledged—This is a battle in pursuit of truth!]

As the restraints were lifted one by one, Excalibur's power grew exponentially, distorting the very space around it. This was the true Sword of Promised Victory, a weapon capable of annihilating all evil.

Meanwhile, Gilgamesh had completed his preparations.

[Silently accept your death!]

[Enuma Elish!!!]

Ea's rotation reached its peak, its power tearing through the dimensional fabric as it hurtled toward Saber.

At the same time, Excalibur's light reached its zenith.

[Acknowledged—This is a battle for the king's path!]

[Acknowledged—This is a sword to save humanity!]

All thirteen Knights of the Round Table granted their approval.

[Ex—]

[Calibur!!!]

The light of Excalibur pierced through the dimensional void, its radiance overwhelming even Gilgamesh's Enuma Elish. The clash of their attacks created a shockwave that shattered the surrounding space, obliterating everything in its path.

But Saber's light was stronger. Her Excalibur overpowered Gilgamesh's Ea, forcing the golden king to retreat.

"Gilgamesh! Watch out!" Akira's voice echoed through the battlefield. Gilgamesh looked up to see Akira, now in the form of a massive white dragon, charging toward him.

[Gate of Babylon!]

[Enkidu!]

Gilgamesh summoned his chains, but Akira was prepared. A golden shadow emerged from Akira's body, intercepting the chains, while Akira himself closed the distance.

As Akira drew nearer, Gilgamesh unleashed more powerful Noble Phantasms, but they were all absorbed into Akira's dimensional space. Finally, Akira decided to end the fight.

[Ultimate Secret Sword—Shadow Pursuit!]

In an instant, Akira vanished from sight. Before Gilgamesh could react, he felt a searing pain in his arm. Ea fell from his grasp as blood sprayed from the wound.

[Ultimate Secret Sword—Shadow Pursuit] was a technique born from Akira's mastery of the sword. It allowed him to move at speeds beyond comprehension, striking his enemy before they could even react.

Gilgamesh, the King of Heroes, had been disarmed once again.

Note: So far this story is published up to chapter 135 on my patreon, go check it out and remember that if we reach the goal of 60 power stones I will publish the next chapter.