In Alchemy, creating magical items requires various magical materials.
Generally, there are three types of things that can be called magical materials.
One is objects obtained from magical creatures, such as dragon nerves and unicorn tail hair.
The second is magical plants like Sleekeazy's.
The third is objects imbued with special mystical properties by the collective subconscious of all beings, such as incense ash, grave soil, and dew.
However, there is another type of magical material that is rarely spoken of, yet is very useful and was commonly used in ancient times.
...People!
Muggles and wizards alike have a history of being used as magical materials, readily available in the laboratories of powerful wizards during the ancient magical era.
As beings capable of perturbing magic with their thoughts, humans can naturally become a type of magical material, and indeed, a high-level one.
Roger, enlightened by Hermione, discovered that while his talent for ordinary Alchemy was average, if he shifted his perspective to human transmutation, his talent would instantly skyrocket! In Muggle society, there has been ongoing research into biological computers. Roger believes he can completely borrow ideas from that field, combine them with his own magic, use his own body as the refining material, and perform internal Alchemy to create a biological computer that meets his needs! If this thing truly succeeds, he wouldn't even need the extremely high-risk magical modification of his brain; he could simply have an external brain, just like in A Certain Magical Index.
Of course, the Undetectable Extension Charm is still very necessary, as this alchemically crafted hardware would likely be quite large, similar to the first-generation computers in Muggle society.
He doesn't have the wireless connection technology found in A Certain Magical Index, so he can only have wired connections placed close to his body.
To carry it around, he naturally needs to create some specially made Space Magic items.
This technology is no less significant to Roger than the human transformation and longevity technology he is currently developing.
It can not only enhance Roger's talents but also has profound implications for his future path to Eternal Life.
Roger has never believed that the incredibly difficult path to Eternal Life could be navigated by himself alone.
Outsourcing the path to longevity, which he couldn't utilize for the time being, to Hagrid, and once asking Harry if he was interested in researching longevity, were merely rehearsals for Roger's future path.
If, one day, Roger's power could crush everything, and he could defeat the entire world single-handedly.
Then Roger would not hesitate to bring about a world-altering revolution!
He wants everyone to become exceptionally gifted geniuses, for worldly resources to be vastly abundant, and for everyone to possess the ability and material conditions to pursue truth, and then...
No "then" is needed.
It's like what Roger once told Minerva McGonagall.
"I only need to plant some ideas upstream in the timeline and harvest them downstream; it will happen naturally."
Without needing to do more, Roger only needs to watch human civilization advance driven by desire, while he silently reaps the fruits from behind, herding civilization and harvesting civilization amidst the brilliant starry river.
Time is on the side of the immortal.
.
.
.
"Harry, Harry?"
"Are you alright?" Oliver Wood asked with concern as he approached.
As the captain of the Gryffindor Quidditch team, he was quite satisfied with Harry Potter, the boy brought by Professor McGonagall.
He had never seen such a talented Seeker.
Oliver Wood was certain that as long as Harry was fine, Gryffindor would definitely win the Quidditch match this time!
There were no other possibilities!
The other two Beaters and three Chasers on the team, after witnessing Harry's incredible athletic abilities, had even suggested changing the team's past tactics and establishing a new strategy centered around Harry.
Everyone was already eager, with their sights set squarely on the championship.
But an accident occurred.
For some reason, Harry had been a bit distracted during training for the past two days, appearing dazed. Just now, the Golden Snitch had grazed his body, causing him to stumble and nearly fall off his broom.
"I..." Feeling the concern from those around him, Harry knew that as a member of the team, he shouldn't let his personal emotions affect the team.
But if emotions were that easy to control, the world wouldn't be the way it is now.
"I'm sorry, I've encountered something recently. I'll adjust my mindset as soon as possible in the next couple of days and won't delay the November matches," Harry apologized to everyone who was concerned about him.
At this moment, he realized that he had to make a change.
Harry hadn't done much since enrolling.
Learning magic, playing various games with Ron, exploring the magical castle of Hogwarts, collecting various things about his parents from the past – he wanted to understand his parents better – and Quidditch training.
The problem lay in his exploration of Hogwarts Castle. He had found a mirror in an abandoned old classroom.
In the mirror, he saw... his father and mother!
Harry found it difficult to describe the feeling. It wasn't a simple reflection; as Harry looked at them, it felt as if they were truly by his side, and the warmth of being loved surged within him.
He became engrossed in it.
Unable to extricate himself.
Rubbing his shoulder, where a bruise from being hit by the Golden Snitch had appeared, Harry didn't go for treatment. Instead, he let the pain constantly remind him that his mental state seemed to be having some issues.
Captain Wood and the others were still waiting for him.
For the first time in his life, Harry felt so trusted and relied upon by others, not because of the inexplicable fame of being the savior, but purely out of trust in himself.
How could he possibly allow himself to betray this precious trust!
So...
"Roger, save me!"
"Hm?" Roger calmly shifted his gaze towards his room door, which had just been knocked on.
All classes for the day had ended at this hour, and with Halloween just a few days away, other students were outside playing and preparing for the festival's arrival.
As for Roger, ever since Hermione had enlightened him a few days ago, he had been continuously researching human alchemy, not stopping even when he returned to his dormitory.
Hearing Harry's voice from outside the door, Roger Virgil tapped his wand on his left arm, which was emitting a dazzling blue light and seemed to have some monster surging beneath the skin. He paused his human alchemy experiment.
Returning to his normal appearance, Roger opened the dormitory door.
As soon as he entered, Harry, as if afraid he would regret it the next moment, quickly poured out his experience to Roger as if he were spilling beans.
Hearing the moment Harry saw his parents in the mirror, Roger knew something had happened to Harry.
The Mirror of Erised, which reflects one's deepest desires...
Roger thought for a moment, and feeling a bit interested in the item, he said, "It's not a big problem. I'll just go with you."
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