Two thousand four hundred years ago, after destroying all of Britain with Moon Fall, Naoki and Aesc went to the only place unaffected by it.
That is, this Boundary Isle of Orkney—Aesc's homeland.
Aesc wanted to save the British Isles, and Naoki decided to help her. Thus, the two who had destroyed Britain decided to revive the entire British Isles, letting Britain's history continue according to the situation they knew.
However, reviving the entire British Isles required an immense amount of Mana.
Originally, Aesc accomplished this feat by burning the Mana of the entire Fantasy Tree. But this Lostbelt had no Fantasy Tree.
So Naoki made the sacrifice.
He released his Holy Sword, abandoning his identity as the Bearer of the Star Holy Sword, offering the Star Holy Sword—which should not exist in this Britain—to the world, sealing it forever on the Boundary Isle, and releasing all his past memories.
To put it exaggeratedly—
"Naoki sacrificed everything—his less-than-forty years—for the sake of realizing Aesc's dream, to repay Aesc's 3,600-year wait."
Sacrificing everything.
This was a far heavier topic—even heavier than the destruction of all Britain earlier.
"This… means the Department Head forgot all of us?"
"No, I think he still remembers us." Naoki shook his head. "If we compare memories to a full bottle of water, what Naoki did was pour out all the water but keep the bottle."
Naoki still remembered what he experienced in Pan-Human History, remembered the people he knew there, remembered everything he did in the past.
But only remembered.
He no longer had real feelings attached. At best, it was like a country bumpkin who had heard of Tokyo but never actually been there.
"For us and him, we have become familiar strangers to each other."
"And after making such a massive sacrifice, the only reward he got was Mana."
Just like what Gilgamesh did in the Seventh Singularity.
Gilgamesh obtained immense Mana by sealing EA and fully activating his Magus bloodline. Meanwhile, Naoki, by sacrificing everything, also gained immense Mana.
[How much exactly?]
"The maximum planetary Mana support originally only obtainable when facing a Beast-class threat—let's call it Savior Mode. The power that let him hold back Goddess Tiamat and directly overpower Goetia—he can now maintain that state permanently."
[You're kidding.]
Naoki's words left Merry and everyone shocked, stunned, and speechless with fear.
The power Naoki wielded when fighting Tiamat and Goetia was remembered by those present and some senior Chaldea staff. It was the ultimate power permitted only when saving the world.
Now he says he can use it freely at any time?!
"I wish I were joking, but that's the truth." Naoki said. "After obtaining that much Mana and being able to stay in what's called Savior Mode permanently, Naoki and Aesc together revived all the fairies he had destroyed. All of Britain rose again."
This should be the story of the Holy Sword Bearer Artoria mentioned as the savior of Britain two thousand four hundred years ago.
The true savior of the world was actually the destroyer of the world—Ritsuka and Mash couldn't laugh at this plot twist.
"After that, the two went into hiding, letting fairies and humans destroy each other. Then, over two thousand years ago, the Great Calamity arrived. After disappearing for four hundred years, they reappeared before the nearly extinct fairies, annihilated the Great Calamity, and then suppressed all fairies, unifying all of Britain."
This was the event 2,016 years ago.
After the Spring War between northern and southern fairies, the Summer War triggered by Queen Mab, the Autumn War between humans and fairies, and finally the Winter War initiated by Naoki and Aesc.
The long Fairy Age finally ended.
Naoki and Aesc, after suppressing and unifying all fairy clans, announced the establishment of a new Fairy Nation. They held a coronation ceremony in Londinium—the place of their destiny—and married as husband and wife under the titles Fairy King and Winter Queen.
[HAH——————?!]
Merry's loud scream suddenly drew everyone's attention.
[Husband and wife? Husband and wife! You're saying those two became married?! They've been married for 2,016 years?! So many people in Pan-Human History are still unmarried and waiting for him, but he secretly married the slowest person in the Lostbelt?!]
"Merry-sensei…"
"Such an extreme reaction…"
Merry's rare outburst shocked Ritsuka and Mash, but they understood. After all, as Merry said, Naoki had over a dozen prospective wives in Pan-Human History, and he had promised to return and marry them after finishing Lostbelt business.
But after being gone over half a year, not only did he not return—he had actually been in the Lostbelt for over 2,400 years and married someone here without anyone knowing, becoming husband and wife for over two thousand years.
No wonder Merry, prospective wife number one, wasn't just angry—she was raging.
[No way—just wait there. I'm Rayshifting over right now. There's still coating left. This time, I'm smashing Naoki's head!]
"Calm down—you'll get turned into noodles by him if you come alone." Naoki hurriedly soothed. "If you want to come, come together. Facing me now, there's no chance of winning without everyone—actually, even if everyone comes, the odds aren't great."
"Anyway, in the 2,016 years after ascending as Fairy King and establishing the Fairy Age, I did many earth-shaking things."
2,016 years ago, after founding the new Fairy Nation with Aesc, Naoki imposed absolute tyranny over the fairies.
"First, the unavoidable was the surveillance Magecraft spread across the entire Fairy Nation. Frankly, it was establishing nodes throughout Britain and building a massive surveillance network, placing all of Britain except Orkney under his watch. Leaving absolutely no privacy for the fairies and fully controlling all Fairy Nation information."
[No privacy at all. Didn't anyone resist?]
"Fairies who resisted were executed on the spot. Imitating Vlad III's Noble Phantasm, they were impaled repeatedly with manifested poles via Imaginary Manifestation until the resisting fairy could no longer produce offspring. Even so, the dead fairies would be revived the next time."
[That's too inhumane, isn't it?]
Even Merry couldn't help saying that. Continuously killing a fairy until they couldn't produce offspring and truly died, only to revive them at death—this was making the fairy experience death multiple times in life. As an execution method, it was more than sufficient.
Even Vlad III himself would be impressed if he knew.
"Then there was the equally unreasonable Fairy Exploitation rule. I mentioned earlier—there's Cernunnos poisoned by fairies in the great pit at Britain's center, and the Naraku Worm suppressed by Cernunnos, right?"
"Naoki would gather a thousand fairies from across Britain each year, squeeze them to death repeatedly in various ways, and use the extracted Mana to activate the twelve Mystic Codes called Holy Lance Rhongomyniad installed at Camelot's main gate—to bombard Cernunnos's body. This reduced the curse accumulated over ten thousand years and simultaneously attacked the Naraku Worm."
"Of course, the fairies squeezed to true death would be revived and reused for the next round."
The excessively cruel actions coming from Naoki's mouth made Ritsuka and Mash unable to suppress their fear.
"This… this is really something the Department Head would do?"
"What's the point? Big Brother already has near-limitless Mana—why still squeeze fairies like this?"
Naoki shook his head: "No special meaning. Just to make fairies atone for their sins—and also his own punishment for the fairies. I said it from the start, right? Naoki never thought fairies were worth saving. He only used them."
"How could this be…" Ritsuka's eyes were full of disbelief. "Then… didn't the fairies resist? Weren't they dissatisfied with this kind of rule?"
"Didn't I say earlier? Resisting fairies were immediately captured and executed… Well, but there was one large-scale resistance."
It happened in Fairy Age year 800. Due to Naoki's deliberate leniency, the fairies who could no longer endure launched a resistance war. But just as they finished assembling troops and prepared to march, Moon Fall struck from the sky, killing all fairies on the spot—followed by ten consecutive Moon Falls that annihilated them.
The result instantly crushed all fairies' will to resist.
"—So after that, no fairy in this Fairy Nation wanted to oppose Naoki anymore."
"This is the current state of this Fairy Nation—a nightmare nation for fairies, ruled and dominated by the Fairy King's tyranny."