The situation in the Sixth Singularity can generally be divided into three phases.
First, six months ago, when the Incineration of the Human Order had just begun.
At that time, a beam of light suddenly appeared at the current location of the White Dragon Nation. It happened in the middle of the night, so no one knew exactly what occurred, only that the White Dragon Nation emerged afterward.
Then, the next day, the dragon calamity began, along with the appearance of several Knights of the Round Table who claimed to be from a parallel world, as well as Mordred.
The Knights of the Round Table repelled the first dragon calamity and established a base outside the walls of the White Dragon Nation. Whenever a dragon calamity appeared, they would go out to fight it. After repelling the dragon calamity, the Knights of the Round Table would also lead the residents they protected into the White Dragon Nation to receive the dragon's protection.
This was the first phase, as Artoria heard from the locals.
The second phase occurred afterward, before Artoria's arrival.
During this period, nothing particularly notable happened. The Knights of the Round Table from the parallel world continuously eradicated the dragon calamities and brought the ordinary people they protected to the White Dragon Nation. If there was anything special, it was the number of people they brought in.
Initially, everyone was brought inside, but at some point, the number of people allowed to enter the White Dragon Nation gradually decreased. Eventually, one day, a Knight of the Round Table left alone without bringing anyone after repelling a dragon calamity. After that, thick chains were added to the gates of the White Dragon Nation, and they were never opened again.
The ordinary people left behind asked the Knights of the Round Table why they weren't being brought into the White Dragon Nation, and the answer they received was as follows:
[The castle no longer has any vacant space to accommodate more people. We deeply regret that we cannot protect more individuals. But rest assured, wherever a dragon calamity occurs, we, the Knights of the Round Table, will arrive as quickly as possible.]
This explanation seemed to suggest that the interior of the White Dragon Nation was full and could no longer house more refugees. Theoretically, there was no issue with this. The Knights of the Round Table also promised to always assist those attacked by the dragon calamity.
Thus, the people understood.
Then came the third phase, after Artoria's arrival.
With Merlin's help, Artoria arrived here before the Singularity became inaccessible. Shortly after arriving, she encountered refugees being attacked by a dragon calamity.
She then accepted the locals' requests, summoned the Knights of the Round Table, built a city, used it as a base to gather information, awaited Naoki and the others' arrival, and also took in refugees attacked by the dragon calamity, much like the White Dragon Nation.
Her encounter with the Knights of the Round Table from the parallel world happened three days ago.
At that time, Lancelot, who had been ordered by Artoria to search for refugees outside, was attacked. The opponent was a female knight with a high purple ponytail, clad in silver armor, wielding the same Arondight as Lancelot. She also bore a slight resemblance to Lancelot.
A female Lancelot from a parallel world—this was the thought that crossed Artoria's mind when she rushed to the battlefield and saw the opponent.
The reality matched her thoughts. The opponent revealed her true name, indeed Lancelot, and declared that, per King Arthur's decision, she had to eliminate Artoria and the others who came from outside the Singularity.
It wasn't a battle that could be called easy.
In terms of combat strength, the opponent was exactly equal to Lancelot. Logically, with Avalon, Artoria should never have lost. However, the result was a draw.
Because the Lancelot from the parallel world possessed an unexpected power—the Holy Grail.
With the power of the Holy Grail, the parallel world's Lancelot forcibly repelled Artoria and severely injured Lancelot. If not for Tristan's covert support at the time, with the Holy Grail's power, the opponent would likely have continued fighting.
After that, Artoria and the others clashed several times with the other Knights of the Round Table from the parallel world, identifying their true names one by one.
Gawain, Lancelot, Tristan.
As expected, they were all female, and all wielded the Holy Grail. Along with Mordred, who for some reason sided with them, these four Servants were the Knights of the Round Table of the White Dragon Nation. Over the past few days, they had clashed with Artoria and her group multiple times.
—That sums up the general situation within this Singularity.
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In the room arranged by Artoria for Naoki and Gray.
Lying on a simple floor mat, Naoki stared at the ceiling, thinking about this Singularity.
First, the most suspicious point remained the same: why had Arthur changed like this?
The reason might be related to the beam of light six months ago and the fake Merry. That Merry was most likely Morgan in disguise, and with Mordred now acting under Morgan's influence, it shouldn't be wrong.
The key questions were why Morgan could control Arthur and why she was controlling him.
Was it because of her hatred for King Arthur? If so, they should have resolved that hatred when Naoki took Artoria to Glastonbury a few years ago. They even slept in the same bed. Hadn't that pair reconciled?
Then there was the dragon calamity.
The dragon calamity itself being a natural phenomenon was a correct conclusion. The issue was why such a natural phenomenon occurred. Was it related to the abnormal situation in this Singularity? Was the disappearance of the ring of light in the sky also due to the same reason?
"In the end, I can only find answers to the simplest problems." Naoki sighed helplessly. "I really hit a brick wall right from the start."
"It can't be helped, big brother. Everything has to be done slowly." Gray said with a wry smile.
"I know, but there's this unpleasant feeling. I keep feeling like someone's doing something behind my back, and it makes me so angry… I have this feeling, and it's really frustrating."
Naoki didn't like mysterious people, nor did he like mysteries, but this Singularity was full of them.
The mysterious beam of light, the missing ring of light, the Knights of the Round Table wielding the Holy Grail, the manipulated Arthur, the White Dragon Nation… all of it was a mystery.
"Haaah… Forget it, let's not think about this for now. Tomorrow, I'll go check it out myself."
"Huh? Tomorrow?"
"Yeah, tomorrow I plan to head back to the White Dragon Nation. Today was just a greeting. Tomorrow, I'll go talk to them seriously, and also with those Knights of the Round Table, and… that naughty girl Mordred. I bet she's itching for trouble since we haven't met in years."
[Well, that's how it is. Though your big brother is clever, he's got the ability to solve everything with brute force. So just smash through it. Right, Gray?]
Hearing Add's words, Gray smiled helplessly. "Please don't go too far, big brother—if you're going to punish Mordred, I'll help too."
"Great!"
Naoki and Gray had already made plans to head to the White Dragon Nation to confront Arthur and Morgan directly.