Author's Notes:

Good day to you guys…. Wow looks like I have been a bit busy at writing huh? Well… It's time for another chapter for the Second Singularity. And it looks like things are now getting intense, with our heroes' old foe Lev Lainur Flauros now seemingly on the side of the United Empire and is now it's royal mage.

Now it's time for them to have a collision course to each other, as our heroes are now going back to the camp. With Nero feeling completely uneasy at facing the commanding officer of the army they defeated: which was her ancestor Julius Caesar. However, now's not the time for hesitation. As they still have a long way to go.

Disclaimer: I don't any of the characters that are appearing in this Fanfiction, they belong to their respective creators: Type-Moon, Kinoko Nasu, Takashi Takeuchi, Shotaro Ishinomori and Toei Company.

Quartzer 4

"Antiquus Dei"

Ritsuka POV

On the Forest of Gaul

60 A.D

We then saw the Heroes walking. With Nero thinking to herself, "Did you hear what that farmer said just now? The traveler we passed yesterday said the same thing. That "an ancient god has appeared." Could it be true?"

"I wonder. It's an interesting phrase. If he said "ancient god," could it be from the Age of the Gods."

Mash then replied, "To be precise, it's the fourth time we've heard it. None of them seemed to be lying. "An ancient god appeared on an island in the Mediterranean." For a rumor, it's very specific. Well, Gaul faces the Mediterranean. It's not unusual to hear such rumors... But after hearing it over and over, I'm intrigued. Though we're on our way back to Rome now."

"Yeah, and I'm getting really tired." Beast muttered.

"Hmm, it is intriguing, huh? I mean, I'm extremely intrigued. Fujimaru-kun, what do you think?"

"I think it may have something to do with the Holy Grail." Ritsuka said.

"Well...l don't know about that. Caesar said their Court Mage has possession of it." Mash recalled.

"We can't tell if it's Lev Lainur or not, but is it possible that he moved to the Mediterranean? And is claiming to be a god. It's a likely story. No, well, he could be a real god."

"You sure about that Doc?" Hana and Woz asked.

Th Alters are now also looking very confused at this. With Artoria Alter saying, "Jeez wheeze, looks like we're going to have a bloody divine day."

"An island where a god lives, huh. Ah, that sounds so romantic! An ancient god in the 1st Century! The supposedly gone Divine Spirits returned to the land once more!"

"Wow! You really are such a womanizer" Den-O muttered.

"Question Doctor, is materialization of Divine Spirits really possible?"

"It's difficult. So much so that it's nigh impossible. At least, it's not possible with Chaldea's system."

Ritsuka and Zi-O look at each other, "Divine Spirit?"

"Yes, a Divine Spirit."

"Like me for example." Medusa said.

"Divine beings are mentioned in many legends of this world. Sometimes as a natural phenomenon, or symbols of authority. They're already gone from the face of the Earth. Perhaps they never existed in the first place? It's hard to understand with Magecraft developed after Anno Domini. After all, we can't observe them in our time. When you pray to the gods in times of trouble, they
don't give help that easily do they? ...Maybe that was a bad example. In any case, they "do not exist." However, several pieces of supporting evidence exist. Hence, we predict Divine Spirits exist in a higher dimension. At the very least, they won't do anything directly. No, they can't do anything. Anyways, it's impossible. The world has long been that of humans and civilization. Even if there was a kind god, realistically they wouldn't be able to regain a lost future. We're the only ones who can possibly save the world
and its future"

"I see."

"So, let's get back to an earlier topic. Whether or not a Divine Spirit can materialize as a Servant. They can't. That's the answer. Even if "they" were inclined to do so. Even if technology reached realms of True Magic, it's disadvantageous."

"So then how?" Zi-O said.

"In theory, it should not necessarily be impossible though."

"Then, the god of the Mediterranean—"

"It's probably not a god from somewhere. Probability of a materialized Divine Spirit is quite low. But there might be that one in a million chance if it's a god that fell from its throne."

"This is pointless. Umu, if it's on our minds so much, fine! It would be a good idea to verify. Fortunately, we're facing the Mediterranean Sea."

However a Legionnaire went towards Nero saying, "Your Majesty! Rear ranks are being assaulted by an unknown monster!"

"What!"

"We can't hold it down! At this rate..."

Nero smiled, "...Mm, perfect timing."

"I am detecting traces of magical energy. It could be the Holy Grail that's causing the monster to spawn."

"Let's go, Senpai! Everyone!"

"I agree let's quickly deal with it." Zi-O grinned.

"Yes, I've been waiting for this."

"Be careful, but be quick." Ritsuka shouted.

"Yes, Master. Commencing battle!"

(Cue Opening Theme: Over Quartzer by Shuta Sueyoshi Ft ISSA)

It's time for a new Order to complete, as Ancient Rome is in the brink of collapse, will Zi-O and the others prevail. Rejoice for It's time to correct human history or die trying.

Oh, yeah, Oh...

We saw Mash, Ritsuka, Roman, Da Vinci look and marveled at the Rider kicking Kamen Riders, when suddenly they saw Zi-O, Den O, Ghost, Build, Wizard and Decade walking as their faces are now shown.

sshun de tsukamitoru no sa Are you ready? (Are you lazy?)

We saw Sougo, Ryotaro and Ritsuka look at the clocks as they reach it, they then swing their arms the background starts rotating.

Atarashī rekishi wa soko ni Feel it! Feel it! (Crazy baby!)

We then saw Geiz throws his cloak as he transforms to Kamen Rider Geiz.

Feel it! Feel it! (Crazy baby!)

With Tsukuyomi and Mash walking as Tsukuyomi changes to Kamen Rider Tsukuyomi.

Hikari wo kate ni kasokushite

We then cut to Sougo and Tsukasa who then transform to Oma Zi-O and Decade Violent Emotions as their eyes turn red and slanted.

Konomama Shout it out! Shout it out!

We then saw Takeru appear with Makoto, Alain as well as the Heroes of history. With Roman, Sento, Haruto and Da Vinci at mission control

Ima wo susume yō

We then saw Woz turning his book as it shows a shadowy figure with white hair and black eyes.

Madō hi mo Ikudo tonaku Asu no tobira

We then saw the Shadowy figure as he walks, as an image shows the Heroes doing their daily routine. As we cut to Woz's book showing Oma Zi-O destroying things as well as the Shadowy figure sending creating golden cups.

tatake

As it changes to a white version of Woz. As we saw the Ridewatches.

Mitsumeta sono saki ni

We then saw the statues of the Riders appearing as Geiz activates his Ridewatch.

Tobikonde mitara

As the statues continue to appear, as Sougo activates his watch with Ritsuka, Tsukasa, Takeru and Ryotaro watching him.

Believe Yourself!

Sougo, Tsukasa, Ryotaro and Takeru transforms into their Rider Forms.

Toki no ame Surinukete Tomo ni

We then saw the Riders riding their backs, as Shadowy figures started walking. As the Rider kicks started moving.

You, Over "Quartzer"

We then saw Zi-O riding through the blaze. With Nero and Kiva emerging from the roses

Mirai wo koe yō

We then saw heroes standing with serious looks on their eyes. With Artoria Pendragon splitting into her three aspects. Dark Kiva walking as the night comes.

Kako no ishi wa Uso de wa azamuke nai

We then saw the Riders as well as the Servants fighting some enemies. With Woz using his Kamen Rider Ginga Miridewatch.

Kanjiro sō Nexus Future

We then saw Tsukuyomi and Mash walking down the stairs, as the scenery started changing. With Natsumi, Medusa and Kaitou appearing to take their hands.

Now, Over "Quartzer"

We then saw Zi-O using his sword.

Mabayui sekai Misete

As it switches to Geiz with them duking it out as the title appears.

3rd POV

In the forests of Gaul

60 A.D

We then saw that the heroes are now busy hacking and slashing at the monsters, with the ones having the most fun being Artoria Alter, Den-O, Jeanne Alter, Zeronos, Diend, New Den-O and Medusa.

"Man, looks like those guys are having fun." Decade and Kiva muttered.

"Yes, it seems that they love all this carnage." Nero exclaimed uneasily with them continuing to kill the monsters as thy slaughter the last of them Mash declared.

"—The battle has ended. There are no reinforcements."

"Ahh, how awful. To think that spirits of the dead would materialize on their own."

"I agree and they need to be at peace." Ghost said.

"I'm used to it. So, uh, what were we talking about— Right, that Mediterranean god! Personally, I'd really like to find out about that." Mash asks Nero.

"Are you sure? Don't you need to return to Rome?"

"Yeah, you got some work to do."

"I don't know what this ancient god may be, but what if it's truly one of the gods? It's not impossible, right? There are Roman legends. For instance, Romulus the founder and first king of Rome became the newest god after he disappeared in lightning. Things like that occasionally happen. Ancient gods. How amusing. Further, assume they are gods of Rome. If the United Empire's "emperors" took that god away, we'd have
bigger problems. I don't want that. That's the one thing I absolutely cannot stand." Nero explained.

"Man, you are acting like an atheist or something?" Tsukuyomi muttered.

"I see, Your Majesty's words are reasonable. As guest commanders, we'd be happy to accompany you."

"...Aren't you enjoying this too much, Doctor?"

"Yeah, you're freaking us out." Kivala said.

"That's not true! l just can't hide my overflowing curiosity as a researcher!"

"Wow… Are you really that into girls?" Sento muttered.

"But that's..."

"Fu...Kyu, kyu. Fou."

Nero was now silent while all this is going on, with Mash asking, "Come on Nero, say something..."

"Yes, what's gotten into you?" Zeronos asked.

"Nero? Are you all right?" Mash asked.

"...Hmm, what? No, I've decided. A triumphant return from the sea might not be so bad! Then, we'll continue our journey back through the sea.
I'm rather tired of traveling on land!"

Mash and Romani are now confused with the former saying, "She spaced out just now."

"Right. This must be what Boudica was talking about."

Sougo POV

Hours later at Nero's Base camp

We then saw the heroes reunited with the others they meet new Kamen Riders on was a man with a black hat with a fur scarf, black jacket and brown pants and white shoes this is Oren Pierre Alfonzo AKA Kamen Rider Bravo the other was a young adult with black hair, glasses, and a black business suit this is Hideyasu Jonouchi AKA Kamen Rider Gridon Oren's Attitude really weirded the Chaldea crew out, "My you have such élégance." Oren complimented the female Servants.

"Umm…. Yeah, this is getting embarrassing." Mash said.

"Oren-san…"

But then Boudica arrives telling them to focus as she was saying, "There's something I'm worried about. Something about Nero."

"And that is…" EMIYA asked.

"It happened right after you got here. I wonder if you noticed. She occasionally spaces out. She been like that ever since the United Empire showed up. I think it might be just me, but when it happens, I feel a slight trace of magical energy."

"Are you serious?" Kiva said.

"How strange." Decade and Wizard muttered

"I asked her about it, but she doesn't feel it at all. Can you guys keep an eye out? I mean, about her. As the governors of Gaul, Spartacus and I must continue protecting this place. About her... If possible, I'd like to rely on you all."

"Understood. You are...worried about Nero aren't you." Mash said.

"I never would have thought you had that kind of personality." Artoria exclaimed.

"I wouldn't worry about her at all! ...it's not something I want to do personally. For better or for worse, she's the symbol of this land If something happens to her, it would be a war lost. I don't want to lose another war. That's the only reason I care about her."

"...Right." Mash agreed.

Boudica then smiled, "Well then, that's that. Mash you three Artoria Pendragons, we still have time, right?"

"U-Um—" Mash and the Artoria trio said.

"Before you leave, I will teach you the best of Britannia cuisine! I'd be happy if you learned it and made it your specialty!" Boudica continued.

Mash and the trio are now getting flustered, "N—No, that's—"

"I agree you don't have too…" Artoria Lily.

Boudica then grinned, "You're so cute, you should start training to be a bride! Oh, geez, so cute! Come here!" She then started to hug the five as they are getting really uncomfortable.

"W-Wah! Again— Your breasts—"

"Geez you are getting annoying!" Artoria Alter shouted.

"There, there. Good girl, good girl. You stay cheerful forever. Don't get too hurt, and don't be too reckless. You five really are an adorable girl."

"Y-Yes, well, I-I am we-we are Senpai's...Um..." Mash said.

"There, there! I am so happy to see you five grow into such fine ladies!" Boudica cheered.

Mash and the trio are now making exasperated faces.

"Yeesh this is getting weird." Wizard said.

"Yeah, I definitely sensed a trace of magical energy in Nero. But that might just mean she has the potential to be a mage."

"I wonder what it is."

"Hmm, we don't have enough info..."

"All right, then it's settled! Let's go, we must first hurry and procure a ship!" Nero declared.

Mash then interjected, "—Before that, Master look, the enemy army remnant. I feel their presence." She then pointed to a small Roman army from outside...

"Yes, I have detected multiple lifeforms. I am getting hostile readings from the United Empire troops in Gaul..."

"I'd leave them be if they're fleeing home, but if they're headed here it can't be helped. Let's defeat them!"

After they defeated the enemy, Nero then said, "It's more or less taken care off. Now then let's regroup and head out to sea. It's good to travel by sea, Fujimaru, Tokiwa. Let me show you my brilliant sailing skills!"

"Umm... We're a bit worried."

"No need to be embarrassed. Heh, heh, you're bad at hiding your feelings, huh?"

"Umm... Nero-san, I don't think that as what they're saying." Kiva said.

"The emperor is amazing! Whatever you say, she interprets in a positive way!"

"More like misinterpret it." Banjou replied. The others are also silent at this as they are now ready for another adventure this time at sea.

Author's Notes:

And that's about it… See you later.