Harry Potter: Eternity Wizard

Aircraft carriers, fighter jets, and supercomputers are the pinnacle of modern human technology.

But if an alien wanted a more complete understanding of human civilization, they wouldn't look to these for answers.

Do humans know about cells? Are they aware of atoms? How advanced is their mathematics? Can they observe quantum phenomena? How do they perceive the birth of the universe? What fraction of the universe's total mass can they observe and utilize?

These are the real indicators of a civilization's technological level.

The progress of fundamental science determines humanity's understanding of the world, and that understanding, in turn, drives technological advancement.

The same applies to magic.

How deeply do wizards understand 'magic'—the very source of their power? What is their worldview? What are the limits of the forces they can harness?

These were the questions that truly intrigued Roger.

But whether it was The Standard Book of Spells, Grade 1 or A Beginner's Guide to Transfiguration, they only taught the technique of spellcasting. The deeper principles? Either glossed over or absent entirely.

It was like a first-grade language textbook—basic phonetics, simple words, maybe a rough idea of their meanings.

It wouldn't teach the origins of writing, the evolution of scripts, or the pros and cons of cuneiform, pictographic, phonetic, and logographic writing systems.

The first-year spellbooks didn't just lack theory; they barely even qualified as methods. They were merely instructions on how to cast spells.

…Of course, the average first-year Hogwarts student struggled enough with just this. Anything more advanced? Spare them the pain.

The truly talented students might seek out stronger spells in the library, even studying second- and third-year material ahead of time.

But Roger was different.

His goal was immortality—not to be some spell-casting technician or battle mage.

He didn't want to blindly memorize incantations.

He wanted to construct a complete magical framework from the start.

This foundation was like the path to enlightenment—just a tiny deviation could lead to massive consequences. There were ways to correct mistakes later, but the time, effort, and wasted resources would be unimaginable.

It was like Hunter x Hunter—Gon, trained in Nen by a proper school, versus those self-taught street fighters in the Heaven's Arena. The difference was night and day. A clueless amateur might end up training themselves in entirely the wrong direction, ultimately wasting their potential.

Roger had a deadline: achieve immortality before his natural lifespan ran out. He couldn't afford detours.

Every day of life was precious, and there was still time before the school term began. He wasn't going to waste it.

Roger didn't like lies. He spoke candidly to Professor McGonagall about his thoughts and goals.

"So that's how it is."

This further cemented McGonagall's impression of Roger.

This little prophet must have foreseen something with his ability!

Magic was a deep and complex field, filled with black boxes—areas where knowledge was shrouded in mystery or contradiction.

Building a personal magical framework was something scholars attempted after years of study.

This kind of thinking shouldn't even appear in the mind of a child who had yet to cast a single spell.

"You won't find what you're looking for here. If you're interested in this, I have some books at home that I think are well-written. I'll send them to you soon."

McGonagall didn't think Roger was overreaching.

Hogwarts valued individualized education.

It was a place where both joyful learning and elite training coexisted.

For untalented students, simply passing their classes was enough—they could graduate and work at places like the Magical Sweets Factory or Magical Creature Farms.

For gifted students, self-study and extracurricular clubs allowed them to access cutting-edge magical knowledge.

Since Roger could ask these kinds of questions, McGonagall felt he was qualified to read the books.

But she didn't intend to personally teach him.

As she had noted, magic is full of contradictions and unknowns. Every researcher constructs their own magical framework, and no one could claim their understanding of the world was absolute.

McGonagall had never taught a prophet before, but she believed that a prophet who values their own survival wouldn't blindly step into a trap.

He knows the future. His path is probably more 'correct' than mine.

My role is simply to support him.

Hearing that McGonagall was willing to share her 'hand-picked book list,' Roger gladly accepted and stopped aimlessly searching in Flourish and Blotts.

After purchasing his textbooks, he placed them in his cart—along with his cauldron and owl—and he and McGonagall headed back toward the Leaky Cauldron.

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As the Head of Gryffindor House and the Transfiguration professor, McGonagall was already quite busy. With the new term approaching, her workload had only increased.

Roger wasn't the only Muggle-born student who needed guidance—she had no time to babysit him.

After helping Roger complete his shopping, Minerva McGonagall swiftly returned to her other responsibilities.

But she didn't forget their agreement.

A few days later, several exhausted-looking owls arrived at Roger's window, struggling under the weight of multiple stacks of books.

Tearing open the brown paper wrapping, Roger found dozens of books inside.

The Evolution of Spells: The Interplay Between Muggle Thought and Spell Creation – Written by a modern American wizard. Roger didn't recall this title from his memories of the movies.

Magic: The Power of the Mind's Reflection – Authored by an Abe no Seimei figure from Japan's Heian period (circa 1000 AD).

Zen and Magic: A Study on Spellcasting Differences Between the Enlightened and the Ordinary – Written by an ancient Indian monk.

The Relationship Between Faith and Magic, Volume 5: Do Magical Creatures That Receive Worship Gain Intelligence? – A Chinese book, but the author was anonymous.

The Connection Between the Soul and the Brain – From the British Ministry of Magic's Department of Mysteries.

Beyond these, there were many others:

Is Casting Spells Under Extreme Emotions a Path to Failure?

Ritual Magic: More Than Just Blood Sacrifices

Where to Seek the Grand Dao

The Origin Hypothesis of the Mind

Magic: Energy or Universal Law?

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