My Power to Ignore Enemy Abilities Lets Me Rule Another World

"Brave young one, what makes you so determined to challenge the 'Undying Godfather' Yofesti Reiga—a Demon Lord destined to rule this world?"

The Undying Godfather and Demon Lord… he was clearly referring to himself.

"Isn't it obvious?"

A low rumble echoed within me, like the toll of a funeral bell.

But it didn't toll for me.

"Because I'm powerful enough, so powerful that you can't possibly reach me."

First things first, I couldn't let my spirit falter.

Besides, there's no way I'd lose.

"Oh…? I remember, about fifty thousand years ago, a human said the same thing to me."

Just then, the pitch-black space split open with a blinding tear, and a peculiar, black-and-white long sword emerged.

"Allow me to show you the might of a Demon Lord."

The man who called himself the Demon Lord grabbed the sword hilt floating in midair, and a surge of dark energy erupted, engulfing the sword and his right hand in darkness. With a sinister grin, he ran his hand over the darkened blade and slowly advanced toward me.

Even though it was cloaked in an unknown energy, I could still see the blade beneath it clearly; it looked fairly ordinary at first glance—just a standard longsword.

"And that human… you killed them, didn't you?"

"Naturally."

The man replied, his tone laced with arrogance.

"Then I'll avenge them."

"Ridiculous!"

A wave of dark energy surged toward me, bursting into countless eerie flames, and then the Demon Lord's form vanished.

"Let fear consume you—"

Above me.

The moment I sensed it, I raised my blade to parry his fierce strike. A deep, booming impact echoed around us like crashing waves.

With no pause between attacks, he struck again, slicing the air with rapid blows. Yet each strike was easy enough for me to block.

I didn't need to see him; I could simply sense his position. It was how I fought. Steadying my stance, focusing my breathing, and swinging this unusual blade purely on instinct, I could parry his onslaught flawlessly.

"I shall reshape the rules of this world—"

An unsettling energy trembled from above. I glanced up to see a familiar dark substance gathering overhead, coalescing into a massive energy sphere.

"Bringing death to all living things—!"

The dark-armored figure moved into my line of sight, raising a thick arm as though to direct some force toward me.

That energy mass above…?

"Bringing death to all living things—!"

Sure enough, the dreadful energy sphere descended, slamming toward me and shaking the entire space violently.

Naturally, something like that…

"An ancient, cursed attack—and it has no effect on you?"

…couldn't harm me in the slightest.

"Got any other tricks? Let's see them all."

"Hmph!"

The Demon Lord's expression soured as he rushed at me again.

Bearing a fierce aura, his sword sent intense shockwaves with each swing, loosening the surrounding stone walls.

Of course, no amount of force could make me budge; to me, his shockwaves might as well not exist.

No matter how relentless his assault, I countered calmly, as always.

"This place is nearly collapsing; are you sure you're fine with that?"

"I care nothing for such trivial matters!"

More slashes accompanied by shockwaves came at me, but I deflected each one effortlessly.

The clang of clashing blades reverberated around us, mingled with the Demon Lord's increasingly labored breaths.

This so-called Demon Lord, both in swordsmanship and in raw power, was utterly outmatched.

As I'd anticipated, he posed no real threat to me.

It's best to end this tiresome farce sooner rather than later.

"Tch…!"

The Demon Lord staggered back, grumbling in frustration.

It seemed the deadlock had agitated him, and his already vicious expression twisted further, his blood-red eyes glaring at me.

"Kid… What kind of power are you using?"

"Not sure myself."

"…Are you toying with me?!"

His furious roar echoed, seeming more effective than his previous attacks.

"Then behold… absolute power from the age of myth!"

Overwhelmed with rage, he thrust his massive, pitch-black hand toward his chest.

What was he planning?

"Irritating little brat—you've gone too far—"

In an instant, a powerful red aura flared around him, his eyes seeping dark mist as he unleashed a ferocious roar, fully embodying his intent to annihilate.

This was a Demon Lord.

"This is death! This is fear! Now, experience it and perish!!!"

A crimson glow appeared above him, with countless blood-red cracks spreading from it, filling the entire dome.

With a mighty rumble, huge stones and dust erupted and began floating upwards.

Everything around us started to rise, rushing skyward.

"What's this…?"

Then, without warning, the Demon Lord disappeared.

The next moment, he reappeared, suspended amid a storm of dark clouds.

"Great End—Estevanthus, God of Death, by my very being, manifest your ultimate authority upon this world!"

As the self-proclaimed 'Undying Godfather' Yofesti Reiga declared, four radiant rings emerged from his pupils.

A torrent of magic surged from above, his towering figure now shrouded in a wave of unknown magic, fading in and out of sight.

If I heard him right, he planned to use himself as a conduit…

"Tremble! Despair! There exists no being that the God of Death cannot destroy!"

A barely discernible declaration echoed near my ears—his final words in that tone.

As time passed, the torrential magic gradually waned to nothing, revealing an unfamiliar figure.

Dressed in a peculiar dark robe, crowned by a luminous, violet four-ring halo, with skin pale as snow and eerie, green-glowing eyes, he exuded an unmistakable divinity beyond anyone I'd ever met—even surpassing Criz Calderon.

"I am the supreme god overseeing all life and death on this star—"

His mere utterance of words sent tremors through the sky and earth.

He conjured a massive scythe in his hand, casually swinging it to the side. Instantly, the ground split open with a violent spray of lava and a small-scale earthquake.

Yet, more than his destruction…

I was curious: did he even have a reason to fight me?

Summoned abruptly, then compelled to obey a summoner's whim—could the gods of this world really be so considerate?

"Vanish into the far reaches, interloper—"

He swung the enormous scythe again, this time aiming straight at me.

Just before it struck, I relaxed, leaping above the blade, and drove my own sword into its edge. I held tightly to the hilt, riding the scythe upward.

Releasing my blade as I was flung back, I landed behind the God of Death. The deity turned, his profound, godly eyes meeting mine.

The God of Death now close at hand, I transferred what I assumed to be my 'nullification' power to my sword, and hurled it toward him just as I touched down.

The blade struck his body.

Not long after, that solemn, divine figure began to dissolve into countless spiritual particles, gradually vanishing—

…Is it over?

I'd expected a counterattack mid-descent, but nothing happened, even after landing.

The God of Death merely hovered there, unmoving.

"I have tried countless times to drain you, to no effect. Only then did I choose to strike physically. But once your attack struck, I realized I could not triumph—"

"Huh?"

Seeing my puzzled expression, he added:

"Because I can guess what you're about to ask. Also, I am not the true self—"

With that, the God of Death transformed into a wisp of black smoke, dissipating completely as the cold wind blew from afar.

"..."

He truly answered all my questions.

The cause had been uncovered, the Demon Lord was dead, and all that remained was to reunite with Savorn and Avik outside.

It ended smoothly, though my abilities played a part. But still, he was a god governing death...

Something feels a bit off.