Just want to say how happy I am that many of you are enjoying this story so far. I hope you continue to like and leave reviews.

(Kuoh Town)

Alex walked into his living room from a portal. The sun was already starting to set over Kuoh. Judging from the current time the twins would be home soon. Rather than just wait, Alex decided to make himself dinner. With that in mind he began cooking, deciding to make Teriyaki chicken and pork loin cutlets, both Japanese dishes. It was a weird habit of Alex's, he always liked to eat dishes that originated from the country that he would be staying in.

About a few minutes before his dinner was ready the front door was opened. Walking in were Nathan and Natalie. Both had expressions of exhaustions and annoyance. Natalie looked like she wanted to murder somebody. Their moods lightened when they saw Alex.

"Master. You're back." Nathan said to Alex.

"Got back a while ago." Replied Alex. "How was school?"

At the mere mention of 'school' the two Nephalems had dark auras over their bodies. They tiredly slid their bags off their shoulders, where they made a soft sound hitting the floor. The twins collapsed on the sofa as they explained what had happened during the day.

(Flashback)

"I like to introduce two new transfer students." The class professor said.

The twins took that as their cue to enter. When they did, the students began to whisper amongst each other.

"Whoa! Check them out!"

"They look alike. Are they twins?"

"Look at the size of that girl's rack! It's almost big as Gremory-senpai's and Himeijima-senapi's!"

"I can't believe there's a boy whose just as handsome as Kiba-kun!"

"No, his is more like a rebellious attraction."

"That's just as handsome!"

"Kya!"

The twins could not help but twitch at the comments about them. They managed to keep themselves composed as they made their introductions. "Greetings. My name is Nathan Hall." Nathan said politely.

"And I'm his sister, Natalie Hall. We'll be attending Kuoh for a time so please treat us well." Natalie finished with a bow.

The rest of the class went on pretty normal. Usual lessons one would expect from a high school, nothing hard for the twins. It was afterwards that the students began pestering them with questions. Most of them were ordinary questions, such as where they were from, where and who they were staying with. When some of the boys asked for Natalie's three sizes, they found themselves rendered unconscious. Excluding that, there had been no contact with the Devils until during lunch.

Nathan and Natalie were eating outside at a table, away from the other students. In just the few hours they had spent in several classes, the two had come to a single conclusion: This school was insane. The students were overdramatic over every little thing. Those with unique talents, appearances or reputations, whether good or bad, received titles. Plus, it was clear that the two Devil heiresses were watching them, as the Nephalems could sense several of their servants nearby during the whole day.

It was only during lunch that the one known as Yuuto Kiba approached them. Ignoring the squeals coming from the girls, the blonde came up to the twins. "Excuse me. Are you Nathan and Natalie Hall?" He asked politely.

"Yes. What's it to you?" Nathan asked with a raised eyebrow.

Kiba smiled, causing several girls to faint. "My President, Rias Gremory-senpai, requested your presence at the Occult Research Club."

A few people gasped at the mention of the most beautiful girl in school, causing the twins to sweatdrop. "You mean the old school building? Why does she want us?" Natalie asked with a bored look, not the least bit moved by Kiba's smile.

"I'm afraid I can't say. All I know is that Buchou wants to talk." Kiba replied politely.

"And I'm afraid that we'll have to decline." Natalie responded. Gasps spread throughout the courtyard as the duo blatantly refused an invitation by the number one beauty of Kuoh. Kiba's smile twitched.

"I must insist. Buchou is interested in meeting you two." Said Kiba, trying to convince them to come along.

Nathan backed his sister. "If she can't even show up herself, let alone give a reason for wanting to meet with us, then why should we accept?" The Nephalem said coldly.

That said, the twins went back to eating. Now completely ignoring Kiba, the blonde was forced to leave when he realized that they would not budge.

(Flashback End)

"And for the rest of the school day, several other Devils apart of Gremory's peerage tried to get us to come to the old building." Natalie complained as she crashed onto the sofa.

"First was this first-year who was more emotionless than a third-rate robot. Then a third year that looked like she needed a shrink. After that was a blonde girl and one of those perverted idiots." Nathan said beside his sister. "Natalie kneed him in the balls when he looked at her chest."

Alex chuckled as the twins continued to rant, finding their complaining amusing. Despite being a loner, Alex enjoyed these moments with others. Hearing stories and jokes, sharing conversations, arguing and other social activities. It made him feel alive and that was a good feeling.

Eventually, Natalie and Nathan stopped their talking and got food. The three enjoyed a silent dinner for the next few minutes. The twins then went to their rooms to begin their homework. Meanwhile, Alex had begun washing the dishes when a device on a nearby shelf started beeping. Picking up the phone, Alex saw that it was Winston on the caller ID. Knowing it was about the event in Rome, Alex excused himself and headed to the living room. "What is it, Winston?" Alex asked.

"Hello to you too." Replied Winston. "I thought you should know that we finished examining those Turok-Hans' corpses."

"And, what did you learn?" Alex asked. Whoever had the balls to attack the Church's center of power had to be a strong or influential individual.

"Emmerich Richtung. A vampire noble who was a member of the Tepes Faction. He didn't have much to stand out except being a little skilled in alchemy.' Winston explained. 'A curious note was that five years ago he disappeared after being caught experimenting on members of the Carmila Faction. Sources said that he was trying to evolve the subjects to make them immune to their kind's weakness. A lot of them mutated into Turok-Hans but died seconds after. Emmerich was exiled and labeled a criminal by the Tepes' leaders in order to avoid a full out war between the two factions.'

Alex rubbed his chin, taking all that information. "So, Emmerich got banished for experiments. I saw the Turok-Hans there, and there is no way he could've created them on his own. Someone must've come into contact with Emmerich after he was exiled and helped him. Then, they ordered him to use the Turok-Hans to attack the Vatican. The question remains however, is why?" Alex summarized.

"We're still looking into that. I'm having my spies in the Church gather information and keep an eye out for anything unusual. But, from what they've told me, the Vatican is understaffed due to the attacks. That might be a clue." Gillian said.

"So, they decrease the number of people at the Vatican. To lower their defenses, perhaps?" Alex hypothesized. "Keep me inform if anything new comes up." Finished Alex before hanging up.

(Heaven, Seventh Heaven)

It had been a long day for the Archangel Michael. Security in Rome and the Vatican had been increased, with Angels and exorcists working to ensure that no other breaches existed. No doubt, word of this had already reached the ears of the Devils, Fallen Angels and other pantheons. Though the Turok-Hans had not breached the Vatican, the fact that they had nearly breached the heart of Christianity on Earth was a blow to Heaven's morale. The fact that it was the Sentinels of the Illuminati, who have always been on bad terms with the Church, were the ones to solve the issue, was even a greater blow to the worshippers of God.

Still, that isn't what troubled Michael as he made his way to the Sacred Gear System that was located on the Seventh Heaven. The emergence of the first Sacred Gear, Nexus Breaker, was on his mind. Its appearance had a greater impact than when a Longinus-class Sacred Gear was discovered. And for good reason given its origins. For when the Biblical God first began creating the Sacred Gears, he needed something to act as Nexus Breaker's core, the source of its power. He chose the Kabbalah to not only become the core, but also for it to be the primary system for the Sacred Gears in general. And the person who became its first wielder was the human who had the strongest will and soul at the time: The third son of Adam and Eve, Seth. He had even received the secret teachings of the Kabbalah from his father, Adam, in the form of an image of the Tree of Life burned onto his back.

Seth had proven to have master Nexus Breaker quickly, using its power over property and stability to achieve incredible results. Creating structures in short amount of time, slaying monsters that could have killed a normal human and many more accomplishments. This achievement prompted God to create more Sacred Gears after the Flood when humanity repopulated the world. After all, with Abel's death before he could sire any children, and Cain's bloodline dying in the Flood, the new generation of humans were descendants of Seth. Seth's DNA was used as one of the major factors for humans to be born with Sacred Gears, and for the tools of God to be passed on. Every human, even hybrids, carried Seth's blood.

Nexus Breaker continued to surprise the supernatural even after that. During the first human recorded history of the 4th Millennium BC, the Nexus Breaker wielder at the time had shown a new form of the Sacred Gear, when it was used to slay Satan, the original Devil and ruler of Hell. The name for this unforeseen new and more powerful form was called Balance Breaker, naming it after Nexus Breaker itself.

After that, many wielders of Nexus Breaker continued to create incredible achievements through the eras. The third most pivotal moment was known to only a few individuals. It was during the climax of the Great War, when God was facing against the Four Great Demon Lords, formerly known as the Seven Deadly Sins. The wielder at the time slew not only those demon lords, but God as well, proving that the Sacred Gears could slay deities.

Since then, the view of Nexus Breaker has been split. One side viewed the Sacred Gear as the closes to God along with the True Longinus, since Nexus Breaker was formed from the Kabbalah. Others saw it as a heretical tool for its part in the death of God, and what made Christians see Sacred Gears as pagan objects. But, no one could deny the power Nexus Breaker held. Like the top four Longinus-class Sacred Gears, Nexus Breaker had the power to destroy the world and if fully mastered, slay gods, as it could gain the powers of the Sephirots, which made up the Kabbalah Tree, and even the primordial forces. As such, many factions, especially Heaven, had worked hard to keep track of the Sacred Gear whenever it appeared.

And now it had, in the possession of the Illuminati in a man named Alex Zackery. Michael learned what he could about the man. Much of his background was hidden, but what was known was that Alex was a freelancer who had slew many supernatural creatures over the years. Even those who were on par with Ultimate Class Devils or even Satan-class were slain by Alex. And from what Griselda reported, Alex already had incredible control of Nexus Breaker. The future looked unclear now.

"Oh Father, how I wish you were here." Michael murmured as he checked the Sacred Gear System, also known as the Kabbalah. While he couldn't manipulate it like the Biblical God, since only he could do so, Michael could still investigate it for any anomalies. The first time said anomalies had happened was when the first Balance Breaker had been created, the next was when the True Longinus was used on Jesus Christ, and the third when the Devils had managed to reincarnate Sacred Gear users. That had really caused a stir in Heaven and the Church. Michael was hoping that perhaps he could find something about Nexus Breaker so he could make proper countermeasures should its current wielder ever turn his attention towards them. However, just like all the other times, Michael could find nothing related to Nexus Breaker. All Michael could do was stare at the Tree of Life, reminiscing about better days.

(Kuoh Town, Alex's house)

It was now 10pm, and the twins were already in bed. After another spar, followed by bath, dinner and other random activities, Nathan and Natalie had decided to hit the hay. The whole school activities were something they weren't used to. Due to their upbringing and higher education, a 'normal' life made the twins mellow down their actions, which was more difficult then one would think. Plus, infiltration wasn't one of their strong suites, so Alex let them rest early. That didn't mean he wasn't being laxed, as he could easily sense that someone was watching their house. Discreetly, Alex raised his right hand and a blue magic circle appeared. Seconds later the air above the circle distorted and appearing was cartoonish bat. The creature was clearly surprised but before it could escape, the magic circle turned yellow and soon it was imprisoned inside an invisible force-field. "Now then, little bat. It looks like your master sent you to spy on us, didn't she?" Alex asked as he looked at the bat. It squeaked wildly, trying to escape. "What's say we have a word or two with her."

(Later, ORC Building)

Rias was getting worried. It had been over thirty minutes since her familiar had last checked in and there had been no word since. Her familiar was faithful and always on time, and she wouldn't allow herself to be discovered so easily. She wasn't dead, that was for sure, otherwise Rias would've felt their contract change. Had something happened?

"Is everything okay, Buchou?" Akeno asked her King, noticing the worried look on the redhead's face.

"Hmm?" Rias hummed. "Oh, I'm fine Akeno. My familiar hasn't reported yet, but I'm sure nothing is wrong."

"You sent it to spy on those twins, correct? The ones that transferred here." Issei commented, easily recalling the busty new girl who had arrived this morning.

"Yes. Those two had unusual energy. They were hiding it so well I almost missed them. I had my familiar follow them and be on the lookout for anything unusual." Rias explained. "I just hope nothing happened…to…it?"

Rias's words died in her throat when her eyes spotted something unordinary. Sitting in her usual spot was her cute Rook, Koneko Toujou, eating sweets as she normally does. That wasn't the weird thing. What was weird was that Koneko had a sweet in her hand, preparing to put it into her open mouth, except she wasn't moving, at all. She wasn't even blinking. "Koneko-chan, is everything okay?" Asked Rias.

When Koneko gave no response, Rias turned to Akeno, only to notice that she wasn't moving either. The same was for Issei, Kiba and her newly reincarnated Bishop, Asia. None of them were moving, at all. It was as if they were frozen in time. And Rias knew only one person who could do that. But that didn't make any sense. Why was she not frozen as well?

"It wasn't your little Dhampir." An unknown male voice answered her unspoken question. Spinning around, Rias saw Alex leaning against the door. Under his left arm was her familiar, trapped in a small barrier. "I wanted to have a private chat without any interruptions."

On instinct, Rias took a stance and gathered up demonic energy. Raising her hands, a ball of destructive energy began to form. Alex, though, was not the least bit intimidated. Instead, he raised his right hand and a purple magic circle formed. Seconds later, Rias's Power of Destruction sphere disappeared. "What…?" Rias gasped before she felt herself sinking into the floor. Having activated Nexus Breaker, Alex liquified the solid floor before hardening it, trapping Rias as everything below the knees had sunk.

"I wouldn't try to use your prized ability. With my Quantum Magic, it's the worse match-up." Alex advised as he placed the captured familiar on the desk. He then looked at Asia, still frozen in time. "It seems she did join your peerage. How sad." Alex murmured before looking at Rias. "Anyway, I found your bat outside my house. Spying on my charges, were you?"

Rias growled as she tried to break free. When she had no luck she merely resorted to glaring at Alex. "Who are you? Are you with the Church?"

Alex snorted. "Please, don't lump me with those idiots. I'm sure your Pawn over there told you about the guy who saved the former nun? That was me." Rias's eyes widened. "But that's beside the point. My reason for being here is unrelated to the Church and has nothing to do with you or the other heiress. That said, so long as you leave us alone, we leave you alone. Otherwise, I can't guarantee your safety."

"Do you think you can just come into my town and threaten me and my friends? Don't you know who I am?" Rias said as she tried to generate some power but to no avail.

"Unfortunately, I do. I've heard your name so many times that I've lost count." Sighed Alex. "You and your kind are irrelevant to my presence in this town, which might I add does not belong to you. Plus, if you plan to cry to your brother, it won't do you any good. Just so you know."

Once that was said, Alex freed Rias, lifting her out of the floor. The heiress fell on her rear as Alex activated a blue magic circle behind him. Around them, time began to return. Giving one last look at Rias, Alex said, "Remember, don't bother us, we don't bother you."

And with that, Alex vanished just as time was back to normal. The servants blinked, as if coming out of a trance. Akeno looked down and spotted Rias sitting on the ground. "Buchou? Why are you on the floor? Did something happen?" The Queen asked.

Rias frowned and said nothing. Her eyes were kept on the spot where Alex was. "A lot, Akeno. A lot has happened."

And there we go! I hope you liked that chapter. Next one will not be showing the Riser Arc, since there's no point in Alex or his students to get involve. Hoped you also enjoyed Nexus Breaker's background. Be sure to leave a review.

Quantum Astro: A magic designed by Alex, combining several other magical arts into one. He can twist the rules of science and mysticism around in order to manipulate the forces of existence in the cosmic universe to a near infinite degree, giving limitless possibilities. This allows him to make up what physical portion quantum physics and natural forces may lack with the mystical portion and supernatural forces as well as vice versa, exploiting the meta structure to infinite degrees, giving the user all but unlimited possibilities to work around with. He mainly employs this magic with his fighting style, to enhance his attacks or for long range strikes, as well as supportive and defensive means too.

Much of Alex's magic was inspired by the Infinity Gems and Silver Surfer/Franklin Richards from Marvel and Heavenly Body Magic from Fairy Tail.