Hogwarts: Wizards of Eternity

To achieve immortality, to walk this path to its end, is a feat of unimaginable difficulty for ordinary people.

The sun, which has illuminated the earth for billions of years, will eventually extinguish, and even the universe will face heat death.

For a mere human to aspire to immortality…

Roger was not ignorant of his limitations, but in his view, if there was even a sliver of possibility, then even if that possibility was infinitesimally close to zero, immortality was worth dedicating his entire life to pursuing.

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Now, he will begin his journey to immortality, starting with the Transfiguration spell!

…How to use Transfiguration to extend one's lifespan was a question that some wizards explored in ancient times.

In that era, wizards were not yet divided into groups based on Muggle national borders, with organizations like the Ministry of Magic or Magical Congresses coordinating the overall situation.

Back then, wizards were 'independent entities.' Some allied with various Muggle powers, becoming 'court mages' or 'national teachers,' while others secluded themselves in the mountains, establishing their own sects or hermetic orders, and they were often unfriendly towards each other.

Wizards often passed down knowledge through master-disciple lineages, with strong emphasis on exclusivity. Ancient wizards were not like the students of Hogwarts today, where everyone could learn any spell they wanted, and most magical knowledge was openly bought and sold.

Typically, a disciple could only learn what their master knew.

If the master only specialized in potions, then the disciple would only specialize in potions.

Private magical libraries? Those were only for top-tier wizards like Merlin!

Therefore, some people knew that alchemy, bloodline modification, Horcruxes, and other methods were better suited for extending life, but they could only use the limited magic they knew to prolong their lives.

Professor McGonagall gave Roger a book, *Bloodline Magic and Transfiguration - A Conjecture for the Future Era*, which was a work by an ancient wizard who wanted to combine bloodline modification with Transfiguration for life extension.

His method of prolonging life was simple: skinning, bone extraction, and organ replacement!

If the skin wrinkled, he would use Transfiguration to make it taut.

If the bones became porous, he would make them stronger.

If the organs aged, he would replace them with organs in a youthful state.

Like the legendary Ship of Theseus, he constantly replaced old parts of his body with new ones.

The old wizard spent many years overcoming numerous technical difficulties, and finally succeeded in turning his body into an ageless form… or so it seemed.

But his ageless body had three major core flaws!

First, even if he replaced almost all of his parts, like Adam Smasher from Cyberpunk 2077, he could not replace his brain!

He did not know soul magic; his thoughts and will could not be attached to the soul and exist independently of the brain. Even if all other organs were new, his brain was still aging.

Second, once the body replacement was complete, what constituted his body were products of Transfiguration, and magic dissipates over time. So, when the Transfiguration on a certain part failed, the old wizard had to immediately 'repair' himself.

The more complex the organ, the more difficult it was to repair. In an era when medicine had not yet entered the modern age, solving rejection reactions and ensuring that the various organs were properly connected and functioned properly was no easy task. And this period would become the old wizard's fatal period of weakness.

The third flaw was somewhat related to the second.

As everyone knows, except for the three Unforgivable Curses, almost all spells have counter-spells to undo their magical effects.

There are even universal counter-spells like 'Finite Incantatem' and 'Deletrius'.

So, if the old wizard was attacked by a Reversal Charm or a Deletrius-like spell, he would die instantly!

This old wizard wanted to overcome these flaws, so after mastering Transfiguration, he switched to fusing with magical creature bloodlines, but he had no relevant knowledge and had to start from scratch, experimenting with magical creatures.

In the end, he did not outrun the escape of lifespan and died of brain aging.

He only left behind this book, *Bloodline Magic and Transfiguration - A Conjecture for the Future Era*, which recorded his ideas and endless regrets before his death.

And Roger would naturally not completely follow the old wizard's path, exchanging blood bar thickness for two or three hundred years of survival time.

The records left by predecessors are meant to allow later generations to learn from their mistakes, stand on the shoulders of giants, and aim higher.

What would be the point of leaving historical records if later generations repeatedly retrace the wrong paths of their predecessors?

The path Roger is taking now is conceptually derived from this old wizard, but technically adopts his own innovations.

In ancient times, people knew too little about the workings of the world and the human body, so they could only adopt the 'block-by-block Transfiguration' method, which had huge flaws.

But Roger, who has received modern scientific education, knows what cells, DNA, atoms, and molecules are.

So…

“Using my own cells as the basic material for Transfiguration, even if attacked by a counter-spell, and the creation is reverted, it will not cause any harm to myself.”

If other materials are used, it may lead to a situation similar to a wooden block transforming into a cake, and then the cake turning back into a wooden block after being eaten, rupturing the stomach.

If a red blood cell turns into something else and then turns back into a red blood cell, there will be no problem.

“Instead of replacing my old parts, I will make them my 'gripping point'.” Roger had watched some movies and played some games in his previous life.

Roger remembered a movie where the protagonist had nanotech robots in his body. These robots, smaller than cells, could not only provide him with strength but also repair his injured body.

There was also a game called *Prototype*, which had a zombie virus called 'Blacklight' that had a similar effect.

“According to *Gamp's Law of Elemental Transfiguration*, the integrity of a transformed object cannot be split during the transformation.” The reason why wizards can't use Transfiguration to create food is because of this; human cells can't break down the transformed food into nutrients.

“But the effects caused by transformed items do not disappear when the Transfiguration is undone.” Just like if you conjure a knife and kill someone, the person won't come back to life because the knife turns back into a baguette.

So.

The best use of Transfiguration in the field of longevity is to use Transfiguration to perform micro-world transformations, creating a 'manipulation arm' between the human will and the body structure, like the Blacklight virus, becoming the key to unlocking the human version of 'world modulation mode'!

How my cells, my DNA, the atoms and molecules that make up my body are arranged will be determined by my own will!

And because there is no magical interference in the transformation process, and only the 'transformation tool' is a magical creation, no counter-spell can counteract it.

Once Roger's magic is completely completed.

He can absorb all the advantages of all creatures in this world, no, he doesn't even need to learn from other creatures, he can even design brain and body structures that are allowed to exist by the rules of the world, but impossible to appear under natural conditions!

Breaking free from the shackles of carbon-based life, becoming a true ultimate being!

Of course, Roger is still quite far from this goal, and even a true ultimate being cannot bear the heavy weight of the word 'immortality'.

Immortality is not an achievement that can be accomplished solely through Transfiguration.

“Sigh…” After truly starting the magical experiment, Roger quickly encountered his first problem.

“I wish I had been a scientist in my previous life.”