By noon, Roger had been busy all morning, revising and modifying until he finally finished writing.
Seeing that it was lunchtime, Roger took his dictionary-thick notes and headed to the school cafeteria.
Because many teachers and students had gone home, the cafeteria was a bit empty today.
The students who came to eat generally didn't eat much.
There was a Christmas banquet tonight, and all sorts of delicious food would be served, making most people save their stomachs for it.
But Roger had no such concerns and ate as usual.
He no longer needed to rely on conventional eating to sustain himself, but when necessary, his digestive capabilities could operate at a level that could digest metal, stone, radioactive materials, deadly poisons, and so on.
As long as he wanted to, he could easily consume tens of kilograms of food, so there was no need to starve himself for delicacies.
Just as Roger was about to finish his lunch and leave, a crowd of people swarmed into the cafeteria.
Leading them was Harry.
Seeing his face flushed red from the cold, with unmelted snow still in his collar, and the Gryffindors behind him in similar states, Roger knew they had probably just returned from a snowball fight.
"Did you win?" Roger, having finished his meal, walked over to meet them.
"Of course, we won! We completely crushed Slytherin!" Ron, standing beside Harry, had even more excitement on his face than Harry himself.
Seeing his best friend perform so brilliantly, he naturally felt honored.
"It was okay, Slytherin just couldn't handle losing." Harry's lips curved into a smile as he recalled the events.
After Roger's neural system optimization, Harry's athletic abilities were practically unparalleled in this era. Not only was he excellent as a Seeker, but he was also a natural at snowball fights.
He could be called an 'unfeeling shooting machine.'
After a back-and-forth, the Slytherin students were overwhelmed.
They started drawing their wands and chanting spells.
They intended to use a mass Levitation Charm for a snowball bombardment.
But at a critical moment, Hermione shouted, "Roger's here!"
The magic was interrupted by the sudden reaction, and the levitating snowballs ended up hitting their own feet.
They were still lying in the snowdrifts.
It would probably take another ten minutes before they could get up.
By then, the cafeteria would have stopped serving.
At that point, Malfoy and the others from Slytherin would either have to shamelessly beg for food from the kitchens or go hungry until the banquet began.
"Oh, it's such a shame you weren't there, Roger," Hermione said regretfully, having also had a lot of fun.
Roger didn't say anything in response, just smiled and shook his head.
If he hadn't gone, they could have had fun. If he had gone, many people would have felt uncomfortable.
It was like a children's game; if the headmaster insisted on joining, it would only spoil the fun.
Shifting his gaze to Harry's face, Roger felt relieved seeing his smile.
Harry had gone into the battle with Voldemort last night with the resolve to risk his life.
But when the battle ended, he learned that he couldn't defeat his enemy in a short period, no matter what.
The disappointment must have been significant.
Roger had thought he would need to provide some psychological counseling for Harry.
But now it seemed unnecessary.
Harry had grown into a brave soul who faced hardships without discouragement.
After a brief chat and bidding farewell to his classmates, Roger continued forward.
Leaving the cafeteria, he walked in the direction of the Headmaster's office.
...
...
...
"This thick?" Dumbledore was taken aback when he saw the notes Roger produced, which he had only recently finished writing.
"Most of it contains my conjectures on how to operate it specifically."
"The actual theoretical core content is only this much." As he spoke, Roger made a gesture in the air at about one-tenth of the dictionary-thick notes.
"I call this theory the 'Three-Dimensional Theory'."
"However, before I introduce it, I'd like to ask for a Christmas present from you."
Dumbledore's eyes held a hint of curiosity. "What do you want?"
It was the first time the little Seer had actively asked him for something, which made him curious.
"I just want to do one simple, small thing, but this small thing requires your permission."
"I want to leave Hogwarts temporarily, go into Muggle society, and return in a few hours."
At Hogwarts, even when going home for Christmas, students had to register uniformly. Those who registered left together and returned together on the Hogwarts Express at the start of the term; they couldn't just leave on their own.
"Something big is about to happen, and I want to witness it," Roger said with a serious expression.
Dumbledore's eyes widened slightly: "Something big?"
If anyone else had said this, he might not have taken it too seriously.
But Roger was a Seer, and a Seer who had been through the baptism of war!
If it was considered a big deal in his eyes, what kind of event could it be? "Where do you want to go?"
"Anywhere with a television will do," Roger replied.
"If you're interested, you can come along and witness it too... You might find the answer to the Middle Eastern International Statute of Secrecy issue you've been troubled by."
"As for what exactly it is..."
"You'll know soon enough." For the first time in a long time, Roger didn't directly reveal the answer.
.
.
.
Boom! This was Roger's first experience with a wizard's spatial movement magic, Apparition.
Honestly, the feeling was awful, like Tom the cat from Tom and Jerry being squeezed into a two-centimeter pipe and then restored.
This magic wasn't difficult for Roger, but he had never mastered it.
Because there was a magic prohibiting Apparition within Hogwarts, he had no way to practice it.
In the entirety of Hogwarts, only Headmaster Dumbledore could Apparate and teleport; it was his privilege.
On Christmas Day, the streets of Britain were very lively, with shops on both sides of the street decorated with colorful lights.
From time to time, a Santa Claus in red attire with a fake beard would pass by. One of them, as he passed Roger, casually handed him a small gift box.
Roger could sense that beneath the wrapping paper were two chocolates.
Roger and Dumbledore passed by children excitedly pulling their parents' hands, couples embracing, and groups of young people playing together.
Roger and Dumbledore ignored the bustling crowds and went straight to a high-end hotel with satellite television.
Roger glanced at the hotel clock; it was almost 1 PM.
The place where one of the world's poles would experience a huge change tonight was about 6 hours ahead of the UK.
It was now almost 7 PM there.
The television screen lit up.
A slightly balding man in a suit and tie, with a map-like patch on the crown of his head, appeared on the screen.
He appeared before Roger and Dumbledore.
"My dear compatriots, in light of the situation following the establishment of the National United Federation, I will be terminating my..."
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