A certain crossover anime's nuclear-powered sword immortal

"Is this so..."

Shirou nodded, looking like he understood.

"Then, since you can't handle it, why don't you hand over the stone slab in your hand to me? I'm a bit better than you, I should be able to handle it."

"Huh? What nonsense are you talking about?"

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Liliana looked at him in disbelief upon hearing this.

After all, her strength had reached the rank of Grand Knight, making her one of the strongest among the six Demon Kings.

How could she possibly believe a man who looked to be about her age saying such a thing?

By this time, they had reached the center of the 'Roman Colosseum,' a huge, circular square that was incredibly spacious.

There were many tourists there, who, upon seeing the long saber in Liliana's hand and the black-robed magicians chasing after her, thought they were filming a movie and curiously gathered around.

"Get out of the way!"

Liliana swung her long military sword anxiously, channeling her magic, and a silver blade flashed out in an instant!

Bang!

As a crack appeared in the ground, the other tourists were immediately stunned.

After seeing this, even a pig would realize that this wasn't a movie shoot!

"Ahhhhh!!!"

Someone in the crowd suddenly screamed. As a result, those who were behind and had not seen what was happening were startled and began to flee in panic.

In these 'free' Western countries, people are instilled with a sense of crisis from a young age, so now when they hear screams, they immediately associate them with terrorist attacks and panic spreads instantly.

The panicked crowd fled frantically, and the black-robed magicians who were about to catch up also got lost in the crowd.

The black-robed magicians, who were being passively dragged outwards by the crowd, finally couldn't hold back any longer and launched their magic spells in a moment of haste.

In an instant, magical lights of various colors flashed continuously, and those who ran towards them were slaughtered in just a moment.

The roads were filled with corpses, and blood began to flow into the square.

"Those guys are killing innocent people so indiscriminately!"

Upon witnessing the black-robed magician's atrocities, Liliana frowned deeply, her grip on the long saber tightening even more.

Suddenly, Liliana noticed something was wrong with the ground; the blood flowing from the corpses was converging and heading towards her.

No, to be more precise, they were drawn there by the sacred relic in her hand, the 'Desecrated Tablet'!

"Could it be that... activating the 'Desecrating Slab' requires a large amount of human blood!?"

Liliana murmured, her lips trembling slightly.

Just as Liliana was filled with genuine fear of the evil power of the sacred relic, the 'Desecrated Stone Tablet,' she suddenly noticed that the temperature of the stone tablet in her hand was steadily rising.

The girl's hands were burned as the temperature of the stone slab rose rapidly. Just as the stone slipped from her grasp, Shirou quickly reached out and caught her.

"Watch out!" Liliana warned immediately.

However, Liliana was surprised to find the boy who had caught the scorching hot relic, the 'Desecrated Stone Tablet,' with his bare hands as if nothing had happened, and began to examine the 'Desecrated Stone Tablet' in his hand.

"how come……"

Liliana looked at the boy beside her in disbelief. Apart from being tall and handsome and having red hair, he seemed no different from anyone else.

The only difference is probably the composure he exudes that is always hard to ignore.

Liliana, of course, had no idea that the enemy Shirou was facing was incomparable to those Heroic Spirits, which was why he appeared so relaxed.

While the girl beside him was in shock, Shirou carefully examined the 'blasphemous stone tablet' in his hand.

On the stone slab, a huge tree was carved, and below the tree, where three intertwined roots were coiled, a black dragon and six snakes were gnawing at the three roots.

Liliana, standing to the side, also cast a curious glance. What struck her as odd was that when she stood beside the boy, the curse emanating from the 'Desecrating Slab' no longer seemed to disturb her mind.

"Could this be... the world-destroying black dragon 'Nidhogg'?"

The pattern on the carving was so visually striking that Liliana couldn't help but think in that direction.

Legend has it that beside the roots of the World Tree, which leads to the land of mist, Niflheim, lurks a black dragon named Nidhogg, who, along with countless other snakes, coils up and gnaws at the roots.

When the tree roots are eaten away, the world...

If the Tree of Worlds decays, the world will be destroyed.

In Norse mythology, the World Tree, which connects the nine worlds, has three roots. Each root draws water from a different spring, allowing the World Tree to grow stronger.

One of the tree roots extended into the Hvagmir Spring in Niflheim, the Land of Mist, where the black dragon Nidhogg lurked, gnawing at the root along with six venomous snakes.

When they bite off the roots, the World Tree withers, and Ragnarok arrives.

This is a harbinger. The actual cause of Ragnarok is not the black dragon Nidhogg eating the tree roots. Nidhogg biting off the tree roots was merely a sign that Ragnarok had arrived, not the cause.

The real reason that Ragnarok occurred was the hatred accumulated from years of war between the gods and the giants, so the two sides were destined to have a final battle to end it all.

Of course, even so, the power of the black dragon Nidhogg should not be underestimated.

After figuring out the information recorded on the 'blasphemous stone tablet,' Shirou was not afraid because the stone tablet was about to summon a black dragon. Instead, he placed it directly on the ground where blood was flowing.

"Let me see just how strong this black dragon that devoured the World Tree really is..."

As the 'blasphemous stone tablet' was placed on the ground, the surrounding blood suddenly rippled as if shaken, frantically converging onto the stone tablet.

Then, the image carved on the 'blasphemous stone tablet' was stained dark red.

The next moment, a scarlet light emanated from the stone slab and shot straight into the sky!

Boom!

With a deafening roar like thunder, a huge red magic circle pattern appeared in the sky.

A fierce wind howled, dark clouds gathered, and began to swirl in the sky above the circular plaza.

From the red magic circle in the sky, a huge dragon head gradually emerged.

Chapter Four: The Madman Who Provoked the Gods

The dragon's head alone is over thirty meters long.

After the entire dragon body burst out, it reached a height of 120 meters!

A colossal black dragon spread its wings, obscuring the entire sky. Light could not reach the ground, and the whole city was plunged into darkness. However, people could only see the darkened sky and could not see the black dragon appear.

Mortals cannot see the 'disobedient gods,' yet the 'disobedient gods' can destroy countless lives with their every move.

"That's... Nidhogg...!"

A look of terror appeared in Liliana's eyes; she was terrified by the colossal shadow that had appeared in the sky and blotted out the sun.

Only now does she realize how foolish and ignorant she was when she fantasized about killing the 'disobedient gods' to seize power and become the seventh 'Campione' after the six demon kings.

It wasn't until she saw the 'Disobedient God' with her own eyes that she truly felt her own insignificance.

The strength of the once proud Grand Knight was so insignificant in the face of the high and mighty gods.

Above the sky, a black dragon with jet-black wings spread out, obscuring even the light and shrouding the entire city in darkness. Even from a distance, Lilia could sense just how powerful the black dragon was.

In Norse mythology, Nidhogg is a black dragon that gnaws on the World Tree. It is prophesied that when the black dragon and the serpents that assist it devour the roots of the tree, the World Tree will gradually decay because it will be unable to draw power, eventually bringing about the destruction of the world.

"Such terrifying power... Just looking at its body is enough to make one breathless... If it were allowed to leave, all of Rome, Italy, Europe, and even the entire world would be plunged into disaster..."

Liliana's eyes widened, and her hand, gripping the silver saber, trembled slightly.

Although she kept telling herself not to be afraid, just looking up at that colossal shadow that blotted out the sky made her feel as if the air was thinning. Liliana's breathing became increasingly rapid, her lips trembled, and she was constantly struggling internally.

Seeing the girl trembling slightly with fear, Shirou's eyes revealed a hint of doubt.

He clearly remembered that Liliana in the original work was a serious and upright girl, and shouldn't be as timid as she is now.

Unless, at this point, her mindset hasn't matured yet...

This stage is definitely not the time period at the beginning of the original work.

Shirou seemed to have thought of something, but the timing wasn't quite right to verify it.

"In any case, let's deal with the enemy in front of us first."

Shirou murmured to himself as he looked up at the enormous black dragon coiled in the sky.

Just then, Nidhogg, the black dragon that spread its jet-black wings, shrouding the entire city in darkness, opened its massive maw, and in an instant, poisonous gas mixed with the smell of sulfur began to permeate the air.

Like a dragon's breath emanating from a black mist, it instantly enveloped the entire city, plunging every street and alley into a thick black fog.

in.

In the instant that the black fog enveloped the entire city, all electronic devices malfunctioned, and the sudden darkness filled those trapped in the fog with fear.

"What on earth is going on...!?"

"The sky was clear just a moment ago, why did it suddenly get dark? Could it be a solar eclipse?"

"My phone and computer are both unusable, and I can't even start the car. What exactly is this black fog?"

"Oh my god! Is this the end of the world?"

"God, please save your devout believers!"

The entire city was shrouded in darkness, and humanity's fear of the dark seemed to be etched into their genes since ancient times.

People stood helplessly by the street, staring blankly into the darkness while looking up at the sky above.

However, no matter how they looked, they could not see the sky through the darkness.

The oldest and strongest human emotion is fear; and the oldest and strongest fear is the fear of the unknown!

As people were gripped by fear of the unknown in the darkness, venomous snakes, enormous to tiny humans, emerged from the shadows.

The 'disobedient gods' cannot be seen by humans, but the venomous snakes under the black dragon's command can be seen by people after they are summoned.

These are the venomous snakes that once gnawed at the World Tree alongside the black dragon Nidhogg... Goin, Moin, Grabak, Grafvollud, Ofnir, and Svafnir.

"Oh my God, what is that, a python!?"

"My God! His body must be at least twenty meters tall!"

"Lord, your devout believer begs for your protection!"