Vampire Overlord System in the Apocalypse

Chapter 71 - Blood Core Battery?!

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Noah smiled as his party had grown very strong now… However, he still felt like there could be something done for those that were not… well, humans… or former humans.

Sakura and Sugar glanced at Noah confusedly, as Noah thought about something.

"Care to experiment with me a bit?" he asked with an excited smile, as Sakura and Sugar seemed a bit intimidated.

"Oh no… what is he planning now…?" sighed Sugar.

"W-What is it? Master, we cannot use Blood Cores, we are robots!" said Sakura.

"Is that so? Why don't we try an experiment? Sakura first, so Sugar can fix her if it doesn't work," said Noah.

"E-Eh?" asked Sakura.

"Just obey me…" said Noah.

"O-Okay!" said Sakura, as Noah asked her something.

"Where is your Mana Core Battery located?" asked Noah.

"In my… chest," said Sakura.

"Very well," said Noah, touching Sakura's almost flat chest, although it seemed very human-like, as she was a Fembot made to feel like a real woman to an extent, she had been given… a realistic-to-the-touch mildly small chest.

However, Noah could not care less, as he continued with his experiment.

"Hmph. I see... So your power flows into your Mana Core Battery and then crosses back to your body, like a heart… and also kind of like how a Blood Core works too…" said Noah.

"Eh? Really?" asked Sakura.

"Now… Stay still. If it fails, we can replace your battery," said Noah.

"N-Noah-sama, the batteries are really not that cheap!" said Arthur.

"You're rich, don't complain," said Noah.

"Eh? Even if I am rich they are pretty costly! …Well, whatever, it will be done as master says…" sighed Arthur.

Noah smiled rather maliciously, as he conjured Blood Core Creation on Sakura's chest!

Flash!

An eerie crimson light suddenly took hold of Sakura's body, as she began to tremble around a bit.

"Uwawawahhh… Master… this will not wooork…" cried Sakura, as the crimson light suddenly enveloped and entered her inner circuits, combining with her internal energy, as it began to flow towards her Battery!

The crimson light began to engulf her Magic Core battery until she began to glow with crimson light.

"E-Eh!?"

"I knew it! It was the same thing at the end, flesh or not, you can acquire a Blood Core!" laughed Noah, as he took away his hand from Sakura and she suddenly felt a new rush of a strange and eerie crimson energy!

"W-What is this? I do really have… a Blood Core! No way… this is not… correct, right?" asked Sakura, as the crimson light enveloped her body even more as if the powerful magic of the Blood Core were 'upgrading' her own magic technology circuits and mechanics!

"This… amazing… This is amazing! Me next!" said Sugar, changing her way of thinking almost immediately!

Sakura then noticed inside of her chest that her former blue-colored mana core battery had turned completely crimson red, and was now emanating eerie and powerful energy, which her circuits were using to self-upgrade themselves through their magic absorption capabilities!

"Perhaps she can now absorb power from Cores or materials directly?" wondered Arthur, as he took away a Mana Crystal of around fifty centimeters from his Dimensional Storage Ring.

Sakura glared at the mana crystal that was extracted from the lizardman dungeon with voracity as she touched it and it suddenly exploded into particles of light!

Boom!

She absorbed them all!

"Uwah! I feel even stronger now! Like I got super mega charged!" said Sakura.

"Amazing… Noah-sama can even increase the power of Robots!" said Iris.

"To think that it would actually give her the ability to absorb magic from things… Amazing, with this, she will be able to self-update herself," said Noah.

"Although she didn't get access to the System, we can do this to Sugar, Big Sis (War Machine), and all of the other robots so they can grow stronger without having to wait for new parts to be purchased," said Arthur.

"I think I can even… design myself something… Ah, there!" said Sakura, using her large quantities of mana, she transformed her arms into a mana cannon!

"What?! Did you had that ability before, Sakura!?" asked Sugar.

"No… but within the protocols of my disk, I know how to construct it… I just needed a ton of mana and energy like this… Perhaps I could even design more parts of my body, as long as I am given a ton of resources!" said Sakura.

"Perhaps Sugar who is good at repairing and other things would be able to do this transformation and self-upgrading even better… Now, it is your turn," said Noah, as he did the same ritual with Sugar and transformed her Mana Core Battery into a Blood Core Battery!

Sugar had acquired the same power as Sakura, and the two began to absorb a lot of the processed magic crystals generated from absorbing the mana from the dirt, trees, rocks, and ores from the lizardman dungeon, until they were able to self-upgrade themselves one cannon for each arm, alongside propulsors in their feet to fly!

Alongside that, Sugar repaired a few of her parts with such power and even got herself new legs.

"This is insane! Now we are ready to wreck somewhere, Master! Let's get to it!" said Sugar, she was incredibly energetic now as if her previous shyness and fear were simply because she lacked the power to be of use… but now that she had it, she was ready to fight for her master!

"Me too! I will use this upgraded blade and shield too!" said Sakura, showing the blade and shield she created with her own body through her transformation power!

"We also need to do this with Big Sis!" said Arthur.

"Yes, we'll upgrade everyone," said Noah, walking towards Big Sis who greeted him rather surprised.

"Oh, it's you, want me to work?" asked Big Sis.

"Before that, I will upgrade you," said Noah, showing his pale white hands to Big Sis.

"Eh? Upgrade… me? Did you learn how to repair?" asked Big Sis without even understanding what Noah meant.

"No, where's your Mana Core Battery at?" asked Noah.

"Huh? Well… it here," said Big Sis, showing Noah rather embarrassedly her chest, and opening it to reveal a shiny and spherical Mana Core with clear white colors, it was a very high-quality one compared to Sakura and Sugar due to her greater and more modern model as a war machine, who require more energy to fight.

"Excellent, now… Blood Core Creation!" said Noah, touching the mana core battery and quickly infusing crimson energy into it, after a few minutes, the ritual was done, and Big Sis felt… anew!

"W-What is this?! Ah… I feel… a tad bit… ooh…" muttered Big Sis, she was feeling awkward due to the energy flowing through her.

"Now try to absorb these!" said Arthur, showing Big Sis a small pile of magic crystals.

"Absorb? How would I be able to even do such… hmm… is it my idea or these look pretty tasty? Eh? Why do I feel hunger if I don't have a stomach?" wondered Big Sis, touching the crystals with her spider-like feet and then turning them into her own power!

"AH! It actually worked…" she said.

After a few minutes, even Big Sis learned how to shapeshift… to the point of even become capable of shapeshifting all of her gigantic lower halves, by turning it all into compressed magic circuits around her body which resembled a large armor…

Without her spider legs, she was only around one meter and 90 centimeters, still taller than everyone, although not monstrously taller.

"Ah… having such a small body feels very refreshing… Now I can get inside the manor and socialize with everything way better…" she sighed in relief.

"This power is amazing, isn't it? Lord Noah is really… someone amazing! I was actually doubting him for a second there, sorry about that, hehe," said Sugar.

"Hmph, now let's get in, we must give this power to all the robots," said Noah, as he and the rest of his party walked into the manor and began to transform every robot Mana Core Battery into Blood Core Batteries.

After that, they all absorbed magic materials of low quality, giving them enough magic energy to regenerate lost pieces they lacked and even more things.

However, Sakura, Sugar, and Big Sis were the strongest compared to the rest, as they seemed to have received some new abilities through this strange transformation of their mana batteries, which others did not do so.

Although they lacked the System, they seemed to have been gifted by the powers of Noah.

The Blood Progenitor could not even understand what was happening anymore…

"This is… ridiculous! How can this even be possible?!" he muttered while raging.

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It has similar genres than Vampire Overlord but it is more about personal growth, the main character changes a lot over time until becoming a ruthless anti-hero! Check it out!