The More You Know, The More You Feel Small

Roger never forgot that he was an isekai protagonist.

He was a visitor from another parallel universe.

This world was not his hometown.

Yet, the future fate of this world had been reflected in the writings, films, and audio recordings of some people from his hometown.

Was this a coincidence? Or was it not? It was known that the universe did not exist in isolation.

So... what would other universes be like? Would there be a second world like this one, whose 'fate' was known to him?

Every time Roger recalled the things he had seen in his past life, he found it difficult to remain calm.

What if one day, two invincible powerhouses fought to the edge of the multiverse, and the Great Dao itself was erased?

At that time, would he and this world be reduced to ashes by some residual shockwave?!

Short-lived Muggles didn't need to worry about receiving the same kind of destructive meteor as the dinosaurs, but Roger was different.

After gaining an incomparably long lifespan, all low-probability events would become high-probability events.

At this moment, Roger was like the Arab madman, Abdullah, from "The Call of Cthulhu," who accidentally discovered the truth of the universe.

Despite being a frail mortal, he learned of the creator god Azathoth, the Outer Gods Yog-Sothoth, Nyarlathotep, and Shub-Niggurath, and understood the truth of the world's madness.

Facing the Old Ones and Outer Gods that he could not resist, Abdullah could only write the "Necronomicon" before disappearing into the river of history.

But Roger did not want to give up, did not want to accept his fate, and did not want to pretend to be ignorant of known threats and live a life of complacency.

He would do everything in his power to do every single thing he could do well. If he did so, even if the most terrifying possibility truly descended, even if he faced an unbeatable enemy, Roger could fight to the end without regret and face death with composure.

Instead of facing an enemy who was not fundamentally that powerful and lamenting, "If only I had worked harder back then, instead of indulging in worldly affairs, perhaps I would have the power to resist now."

However, there was no need to tell Dumbledore about these things.

Just as those who revealed the truth in the Cthulhu world would be considered madmen, if he didn't expose the fact that he came from another universe and provide proof, his true feelings would only make Dumbledore think he had mental problems.

"In short, I want to get past my weak phase as soon as possible, and I don't want any being to have the ability to deprive me of anything without my consent." Considering that Dumbledore might consult Professor McGonagall for confirmation, Roger merely slightly modified what he had said to Professor McGonagall before.

Making the statement more acceptable to Dumbledore.

"...Is that so?" Dumbledore was silent for a moment.

In Roger's eyes, his words were normal.

But in Albus Dumbledore's eyes, it was a different picture.

Weak, unwilling to be deprived... Dumbledore, who had just recalled his first meeting with Roger, sighed inwardly.

It seemed that the trial back then had left a bad impression.

After that, Dumbledore lost the mood for small talk and didn't speak again for the rest of the journey. Roger played around a bit and then didn't delay any further, using magic to enhance the ship's speed, and they soon arrived at their destination.

"Professor Dumbledore, next I will show you a magical technique I have developed based on the Three-Dimensional Theory... It's not very stable, and I can only use it for a very short period."

At this time, the two had arrived in the deep Pacific Ocean, in international waters not belonging to any country.

With a swish of Roger's wand, a large amount of seawater rose around the ship, like a torrential rain pouring from the sea into the sky.

"What is this?" Dumbledore felt that something was being separated from the downpour that was flowing back to the sky from the ocean.

"This is not what I intend to show, but one of the preparations needed before the demonstration. To allow you to experience it more directly, I have specifically chosen a method that is convenient for observation and experience. Please wait a moment."

After a minute or two, the downpour stopped. The extract from the sea rain remained suspended thousands of meters in the sky, but it had not yet reached the lowest layer of the atmosphere, the troposphere, which was above eight kilometers.

"Next, please take defensive measures."

At this moment, Dumbledore already had a vague, bad feeling.

And then, Roger's actions proved his premonition was correct.

Roger's body began to float, drifting towards the clouds, becoming smaller and smaller in Dumbledore's sight.

Under the scorching sun, he could no longer see Roger's position.

But soon, he saw Roger again, in a way that Dumbledore least wanted to see.

"Thermonuclear Fusion!" The moment the incantation was uttered.

Boundless light and heat erupted suddenly!

Today was December 26, 1991, the day the Red Giant officially fell. The global sentiment towards 'nuclear' reached an unprecedented peak! With the blessings of billions of people worldwide, coupled with the foundation from previous research on radiation spells, Roger, following a certain subtle induction, very smoothly made the ultimate light of technological civilization bloom with equally brilliant splendor under magic! Instantly, in the sky, it was as if a second sun had been born! The light and the astonishingly violent heat arrived first, followed by the deafening explosion and shockwave that shot straight into the clouds.

Even though Dumbledore was outside the kill radius of this explosive power, which seemed like the sun falling to earth, and had taken some precautions, he felt as if his five senses were being torn apart.

But this was not the end of everything.

As Roger had said at the beginning, this was just preparation, not the actual demonstration.

Taking out a potion he carried with him to prevent accidents, Dumbledore took a gulp, and his five senses returned to normal. It was only then that he suddenly realized.

The second sun in the sky had not disappeared after emitting its light!

The flow of time seemed to have been frozen.

The light hovered motionlessly in the sky for a few more seconds before Dumbledore suddenly felt another surge of magical fluctuation.

Then, the form of the 'sun' began to change.

From perfectly round to elongated, like a tree growing branches, limbs, a head, facial features...

The colossal humanoid figure, radiating boundless light and heat, plummeted from the sky towards the sea.

"Roger..." Dumbledore whispered, momentarily lost for words.

This was what Roger truly wanted to show Dumbledore.

Three-Dimensional Transfiguration: Plutonian!

"Headmaster Dumbledore, what do you think of my little creation?"

The words weren't spoken through vocal cords, but rather through magic vibrating the atmosphere.

"I..." Dumbledore suddenly didn't know what kind of expression he should wear at that moment.

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