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3rd Pov
"Hey it's me, or the Sword Saint haven't been patrolling for last few days?" asked a Knight, looking at his buddy.
"Yes, it's weird. Miss Sword Saint is an impeccable knight, the fact that she is not doing patrols is unbelievable" his friend replied grabbing his chin.
"Don't tell me she is ill" the first Knight asked horrified at the very notion of that.
"Don't joke- Isn't it obvious? She must be doing a very important secret mission!" said a third knight and others two nodded.
"Indeed! To miss several patrols, she must be doing something very important! It might be related to entire Kingdom's safety!" second said, and all of three could only imagine what important task the Knight of the Knights was doing and can't help but admire her.
Meanwhile Reina was using several Divine Protections to peek*ahem* observe Subaru who was taking a bath.
Indeed, a very important task!
Her face blushed as she observed the body of Subaru, his six-packs, sweats glistening down his body. His handsome frame.
She bit her lips, and her hands almost found her way down there when suddenly someone entered.
She became surprised and quickly withdrew her hand and looked it to find it was Roswaal.
"What are you doing here? It is rude to interrupt when someone is taking a bath" Subaru said and Roswaal grinned.
"It's myyyy mansion so I can comeee here anytimeee!" he said in his particular way and dipped himself in the water.
"I won't lieeee, your body is reaaaally something" he licked his lips checking his six-packs making Subaru shiver.
'Pervert!' she glared at Roswaal, irony lost at her.
"Hey man, I don't swing that way!" Subaru quickly stood up, his ding-dong hanging.
'It's big!' Reina's face became beet red as she looked at the size of the sleeping dragon and quickly ran away from the door, while both of them completely unaware of her presence.
Once outside she panted heavily 'I-If that thing was to go inside me' she thought and shivered, then shook her head.
Suddenly she acquired a Divine Protection of the Bedroom Wiles, and her face became redder!
'W-What kind of Divine Protection is this?!' she thought shocked.
Od Laguna itself was rooting for her.
If the three knights knew this, they would have lost faith in God.
(A/N: I lost it long ago XD)
…
"Hmph! Betty shall find the final velocity and solve this equation! I suppose" Beatrice said as she started solving a standard ninth-grade sum.
Subaru had already revealed to her that he was from Beyond the Great Waterfall, which shocked her.
He then made a deal with her; he will provide her otherworld's knowledge and she will let him read all the books in library.
First, he decided to check her current level of intelligence, so he directly skipped the basics and taught her Friction, Newtons Law of Motion, Three equations of motions.
It is very simple physics, and after teaching her, he had given her around ten problems to solve.
Meanwhile he was reading a book that listed various spells of Yin Magic.
The book floated in front of him, after a few days he found out that exercising increased his mental energy.
'Hm, while she solves let's see what Yin spells we have' he thought, after all Betty had recorded all types of spells for each magic attribute, it would be foolish if he doesn't learn it.
First were the most common Yin spells, Shamak, El Shamak, Ul Shamak and Al Shamak with an extra spell Ol Shamak.
Shamak separates the user's senses from its surroundings making them unable to sense where they are, it also has a secret use. If a huge amount of mana is used by someone with extremely good control, they can render space to achieve teleportation.
'I guess I should focus more on this spell' he though.
Next came El Shamak, the target becomes unable to control their body or basically are paralyzed.
'This is a good spell, I would have to ask Reina later to take me to a Mabeast infested area for practise' he thought, Reina has been really helpful to him, that's why he wanted to ensure she doesn't feel uncomfortable with him.
Next came Ul Shamak, which created a black hole of immense gravity.
'Damn a blackhole… The next spell is even more broken'
The spell Al Shamak created a different dimension pulling the target, making it impossible to escape from it.
'Impossible? If Reina is able to use her sword, she will probably cut the dimension into two' he thought with a wry smile, however this spell was so powerful that possibly only a few people in the entire verse can escape from it.
Finally, Ol Shamak, an outlier from conventional spells, was a forbidden spell that paralyzed the target and the gate of the target. There was also a note that it can only be used at full power with someone having a witch factor.
'Does the RBD count as an authority?' he wondered, there was a big hint that it was the Authority of Envy however he couldn't be sure.
He continued reading, the next spell came Minya which created crystallized stakes of mana covered with light purple flames, that could penetrate strong defences, in fact stakes explode in air to release smaller stakes.
El Minya did the same thing however created upto 40 stakes at once depending on the mana used, Ul Minya meanwhile binds the target and crystallizes their body.
Finally, Al Minya, the strongest spell of Minya class, which binds the target and crystallizes the target's very soul.
Next comes Vita which increases the weight of the target.
El Vita does the same thing but at increased strength, Ul Vita distorts gravity and shreds the target apart, Al vita does opposite of the black hole, it is like a white hole that makes the gravity negative.
There were a few more spells, however they were just alternatives of previous ones.
As he finished reading the book, he found Betty had finished doing the numericals he gave to her and was waiting for him to check.
"Betty has finished and you should check how Betty did, I suppose" she said her voice softer than when they had just met.
He took the notebook and checked the Numericals "All of them are correct" he said finished with his checking.
Betty's eyes shined and she puffed her non-existent chest "Betty is smart, one of the smartest people in this world, in fact!"
'So cute!' he thought and involuntarily his hand found way to her head, and he started patting.
"W-What are you doing?! I suppose?" she asked panicked, and with a glare.
"Me?" he smiled "I am just rewarding your efforts! Betty must be praised for her excellence"
"I-Is that so? Very well! You can praise me then, I suppose!" she said blushing lightly, he wanted to play with her drill-like hair however he restrained himself.
"Betty, would you help me with the magic, I want to try some of the spells in the forest" he asked her and Betty replied.
"Hmph! If you share more of your 'Science' then Betty can spare time for you, I suppose!" she said and her answer relieved him.
He had the idea to talk with Reina, but he decided to use this opportunity to get closer to Beatrice.
To be continued...
(A/N: I said the updates will be slow, and ironically this became the only fic to have the fastest update in my entire writing career.
Anyway, I won't edit chaps with AI anymore, I hope you all don't complain about grammatical mistakes, though you are still free to list out the plotholes.
Like how by mistake I revealed Subaru's name, when in original chap it was Zero, yeah I corrected that and earlier chaps, in every chap everyone calls Subaru by his alias zero.
However Ram's name for Subaru isn't bad, she called him Roze, and it is pretty good right?
There is also a guy ranting about the mistakes of this fic, it is in the review section and nope this isn't same as Artoria Pendragon who doesn't even knows from where Beyonder came.
This guy gave me a four star and then ranted, it seems people are taking it serious when I tell them not to infringe my rights.
The review is hilarious, you can go and check it out for entertainment)