Immortality—reaching the end of this path is unimaginably difficult.
Even the sun, which has shone upon the Earth for billions of years, will one day extinguish. Even the universe itself will eventually succumb to heat death.
And yet, a mere human seeks to live forever...
Roger wasn't ignorant of reality, but in his view, as long as there was even the slightest possibility—no matter how close to zero—immortality was worth dedicating his entire life to pursuing.
Now, he would use Transfiguration as his starting point to embark on his journey to eternal life!
The Ancient Wizards' Attempts at Life Extension
Long ago, some wizards attempted to extend their lives through Transfiguration.
Back then, wizards hadn't divided themselves by Muggle national borders, nor did they organize under governing bodies like the Ministry of Magic or the International Confederation of Wizards.
Wizards operated independently—some allied with Muggle powers to become court wizards or royal magi, while others lived in seclusion, founding their own sects or secret societies. Their relationships with each other were far from friendly.
Knowledge was passed down strictly through master-apprentice lineages, and sectarianism was deeply ingrained. Unlike modern Hogwarts students, who could learn any spell they desired, most magical knowledge was not freely accessible or openly traded.
A student could only learn whatever their master knew.
If a master specialized in potions, their apprentice would only master potions.
Personal magical libraries? Those were privileges reserved for top-tier wizards like Merlin!
As a result, despite knowing that alchemy, bloodline modification, and Horcruxes were more effective means of prolonging life, some wizards were forced to rely solely on the magic they had mastered.
The book Professor McGonagall gave Roger, Bloodline Magic and Transfiguration—Speculations on the Future, was written by an ancient wizard who sought to combine bloodline modification with Transfiguration.
His method of life extension was straightforward:
Skin wrinkling? Use Transfiguration to smooth it.
Brittle bones? Reinforce them with Transfiguration.
Aging organs? Replace them with younger versions through Transfiguration.
Like the legendary Ship of Theseus, he continuously swapped out his body's old components for new ones.
This old wizard spent years overcoming countless technical challenges, ultimately transforming his body into an eternally youthful form—or so it appeared.
The Three Fatal Flaws
However, his method had three fatal flaws:
First, no matter how much he replaced, he couldn't replace his brain.
Unlike Adam Smasher from Cyberpunk 2077, who replaced almost his entire body, this wizard lacked soul magic—his consciousness was bound to his brain and couldn't exist independently. As a result, while his body remained young, his mind continued to age.
Second, since his body was composed entirely of Transfigured material, he had to constantly maintain the magic.
Magic fades over time. When parts of his body lost their Transfiguration effects, he had to immediately repair himself.
The more complex the organ, the harder it was to maintain. In an era without modern medicine, dealing with rejection reactions and ensuring the proper function of all organs wasn't easy. This made the period between transformations a dangerous time of extreme vulnerability.
Third, and most critically, almost every spell has a counter-spell.
Aside from the three Unforgivable Curses, most spells can be undone.
There are even universal counter-spells like Finite Incantatem and The General Counter-Spell.
If this old wizard were hit by such a spell, he would die instantly—his entire body reverting back to its original aged, decayed state!
In his later years, realizing these flaws, he attempted to integrate magical creature bloodlines into his transformations. But without the necessary knowledge, he had to experiment from scratch.
In the end, he couldn't outrun the limits of his lifespan and died of brain aging.
All he left behind was this book, filled with his theories and the bitter regrets of his final days: Bloodline Magic and Transfiguration—Speculations on the Future.
Roger's Innovation
Roger had no intention of following in the old wizard's footsteps, trading life force for a mere two or three hundred years of survival.
The purpose of studying history is to learn from it—to stand on the shoulders of giants and reach even higher.
If people simply repeated the mistakes of their predecessors, then what was the point of recording history?
Roger's approach was inspired by this old wizard's work, but his technique was entirely his own.
Ancient wizards knew too little about the workings of the world and the human body, so they relied on fragmented Transfiguration—modifying individual body parts separately.
But Roger, having received a modern scientific education, understood cells, DNA, atoms, and molecules.
So—
"Use my own cells as the base material for Transfiguration. That way, even if a counter-spell is used, the transformation will not revert in a way that harms my body."
If he used foreign materials, he risked a catastrophic reversal—like turning a wooden block into cake, eating it, and then having it revert to wood inside his stomach.
But if a red blood cell changed form and then reverted, no harm would come to the body.
"Don't replace old parts—turn them into my tools."
Roger recalled a movie from his past life where the protagonist had nanotech robots inside his body. These microscopic machines enhanced his strength and repaired injuries.
There was also a game called Prototype, featuring a virus known as Blacklight that granted similar abilities.
"According to Gamp's Law of Elemental Transfiguration, transformed objects maintain their integrity and cannot be broken down."
This is why food created via Transfiguration provides no nourishment—cells can't digest it into usable nutrients.
"However, the effects of a transformation do not disappear when the spell is lifted."
For example, if you kill someone with a Transfigured knife, they won't come back to life just because the knife reverts to a baguette.
Therefore—
The most effective use of Transfiguration for life extension is microscopic transformation—creating a system akin to Blacklight, a 'manipulator arm' linking consciousness and body, unlocking full control over one's own biological structure.
My cells, my DNA—the arrangement of every molecule in my body will follow my will!
And because the transformation itself wouldn't require continuous magic—only the tools of transformation would be magical—no counter-spell could undo it.
If Roger perfected this technique,
He wouldn't just acquire the strengths of all living beings—he wouldn't even need to learn from nature.
He could design his own biological structures—ones that conformed to the laws of the world but could never arise naturally!
To escape the limitations of carbon-based life—
To become the ultimate lifeform!
Of course, Roger was still far from achieving this goal. Even true ultimate lifeforms could not claim true immortality.
Immortality—was not something that could be achieved by Transfiguration alone.
"Haah…"
As soon as he began his magical experiments, Roger encountered his first major obstacle.
"I really wish I'd been a scientist in my past life."
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