Note:
" Speech." = Regular Conversation.
' Speech.' = Internal Monologue.
[ Speech. ] = Dragon/ Any sealed Entities
{ Balance Breaker } = Balance Breaker/ Juggernaut Drive/ Breakdown Beast
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Underworld
Astaroth Branch Family Castle
Third POV
Devils, the beings that originating from the Underworld, said to have been created by Original Lucifer and Lilith for the purpose of beating the Heavenly host.
As well as to realize the Original Lucifers personal ambition for world domination which consisting of the High-Class Devil nobles of the 72 Pillars and Extra Demonsand the countless armies of Middle and Low Class Devil soldiers under them.
Frey flipped the page of the book, detailing the history of the Original Maou's and how Devil Kind came to be.
But that wasn't the end of new lifer being created by the Original Maous, it's said while the 72 pillars were being created another Demonic life were born.
Succubi and Incubi, a subspecies of Devil race, born from the unholy union of Original Maou Asmodeus and Lilith. Primarily found in House Naamah.
After the Devil kind were created, spawns of Lilith and the Four Original Maou, they waged war against the Heavenly Host.
"Interesting, I didn't expect a reincarnated devil to be so immersed in history and biology."
A voice rang out, but Frey couldn't turn around, no his body wouldn't move.
Sweats started to cover his forehead, it was as though the very air had frozen around him. But that suddenly disappeared as a hand was placed on his shoulder.
"Relax, I won't eat you." But the exact opposite happened.
"*huff* *huff*" He breath could audibly be heard, the stillness and silence of the room being deafening.
Frey hesitantly turned towards the one responsible for his current situation, only to freeze at the sight.
A figure he recognised, a bewitchingly beautiful and attractive young man in his early twenties, with light blue eyes and green hair that is slicked back.
Ajuka Beelzebub née Astaroth.
Even if Ajuka hadn't made that brief cameo in the Anime, Latia's constant praise for her uncle would have made sure Frey recognised him.
Frey eyes drifted toward the book he was reading, something Ajuka noticed.
"Don't worry I don't accuse everyone of being a traitor, just for reading history."
'How did he?'
"I don't read minds." Ajuka looked at the reincarnated knight, clearly amused by him. " It's written on your faces."
"The origin of devil race." The current Beelzebub mused as he stepped forward, looking at the page. "Did you know it is said that the descendants of the Maou were born from Lilith?"
Ajuka looked at the boy, already expecting a question, which soon enough came.
"But it's not even mentioned here?" Frey turned to the other page and then to the other and continued to do so but didn't find anything. "And wasn't the First Leviathan a lady?"
Frey quickly realised what just happened, and bowed his head, he had spoken to one of the Devil Kings informally, as a reincarnated devil.
"Quite amusing, just a moment ago you looked like you had forgotten how to breathe and now you are questioning me." Frey felt Ajuka's hand shift from his shoulder to head. "But I don't hate it, so it's alright."
"As for your question, you don't believe everything that has happened has been recorded on paper, do you?" Ajuka leaned against the table, his hand now on the table, still looking at the reincarnated devil. "If so I would be quite disappointed."
"I-I.." Ajuka just chuckled as she looked at the boy, unable to find words.
"As for you other question, The original Maous were known for their arrogance and pride, so it's debatable they would sire children on mere creations when there was a primal devil around."
"And for the Leviathan part, does that matter? Maou Lucifer was able to create the 72 pillars, why couldn't he make it possible for Lilith to bear Leviathan's child?"
Frey started to think, taking in everything the former Astaroth heir spoke, like a sponge.
"Ah how rude of me, I didn't introduce myself. But you already know who I am, don't you?" The reincarnated knight nodded his head under the Beelzebub's glare.
"I am Ferey, just call me Frey."
Just then the door to the library was opened, as a blonde cannonball crashed into the Beelzebub's torso.
'I guess this is what they call Deja Vu.'
— — —
Some time later
Sho Pov
Frey stared infront of him, at the green hair monster in devil clothing.
Ajuka Beelzebub née Astaroth.
One of the two Super Devils, Devils considered irregular beings due to possessing abilities surpassing realm of Devils, often considered Transcendent Devils.
Devils with powers exceeding that of the former Maous and many of the major Gods.
'And he is one of them, the other being the current Maou Lucifer.' He thought as he tried to match the Maou's gaze.
"Stop glaring at the kid, you are scaring him." Lady Lily called as she smacked her brother-in-law, nearly causing the tea in his hand to fall.
"Hitting a Maou is a crime you know." Lady Lily just shrugged in response.
"What will you do? Have me arrested or strip me of my titles?" She asked the the Super Devil. "Try that, I dare you."
Rather than the Beelzebub speaking, it was Latia who spoke up.
"Mother, Uncle Azu is a Maou."
'Azu?'
"Oh hush, he is my brother first and then whatever Maou he wants to be." The lady of the House spoke, silencing her daughter.
'What going on?!?'
The man that had made him forget how to breathe, no made him too terrified to breathe, the man that is said to be feared by even most god is…
"Great, now the kid must be questioning my status." Ajuka looked at him, probably understanding his queer look.
Lady Lily just shrugged in response, not caring about the Maou's status or image to someone else.
"Let's skip the boring part, what can you tell us about Frey's Gear?"
"I can't believe it, thinking of a Maou as some kind of assistant or something." The current Beelzebub grumbled, before turning towards him. "He has a Sub-Species of Twice Critical."
"Oh does he now?" The lady of the house asked, her voice laced with sarcasm.
"*Sigh* I did conduct some small tests before coming here, and I have an idea on what the gear may entail."
He nodded his head at the Maou's words, before exiting the library the Maou had done some small tests.
"So any idea on what it does, Uncle Azu?" The Maou Beelzebub nodded his head.
'Yup I am not going to get used to that.'
"Usually the Gear Twice Critical only amplifies the user Physical states and Aura by 2x."
"But?" Maou Beelzebub just smiled at him.
Even though he was the subject to those tests, the Maou hadn't revealed the outcome of the tests to him.
"Well, firstly just the appearance of your gear is different. Normally it manifests as a gauntlet but in your case it manifests as a pair of bracelet of both you wrists." The Lady of the house just snorted at his words, which the Maou ignored.
"Secondly and more importantly, the gear behaves the same as it should normally boosting your power. But thanks to your genetic, the gear has mutated into a Sub-species granting you some additional traits."
"My genetics.." He murmured, turning towards his King who looked proud.
She had given a hypothesis that he may be descended from someone, and now the Maou words on his genetics, all but confirmed it.
"Wasn't Sub-species something that manifested due to the user's personality and desires, not genetics?"
"Under most circumstances, yes." The Maou nodded his head, at his Sister-in-laws word. "But the kid also seems to admire Dragons a certain bit and that coupled with his lineage, it's not out of the ordinary to manifest a unique variation."
With each words from the Maou, Latia's smile threatened to engulf the entire room. Most of everything she had predicted had started to come true.
"And what does this Sub-Species grant me?" The Maou smiled at his words, causing him to flinch.
"The sub-species grants you some Dragon like traits, like heightened senses and some level of Magic resistance. Basically makes you a Dragon twice as strong as the Base state of yours, with the exception of Dragon Aura and a Breath attack."
"I guess it makes sense now, on why it took both knight pieces to reincarnate him." The Lady of the House muttered, catching his attention.
?
'Wait both?' Hearing Lady Lily's words, his head turned towards his king. Who realising why he was staring, just playfully stuck out her tongue.
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An: Do drop some Stones and Reviews.
I decided to add a bit more leg room when it comes to devil,to show how different they are from regular humans, as it was already confirmed that Devils had harems and reverse harems in underworld.
So I added a bit more lore as to why, because their own ancestor had one, technically. Since she in her life time had 3 husbands, first Adam and after being exiled Lucifer and Asmodeus.
And for the continuation of their race and its purity, could also be the feasible reasons.
Also Ajuka words were just hypothesis, considering the arrogance and pride of the original.
Though this won't play that big of a role, but was just a way to show how different the devil society is.