Vampire Overlord System in the Apocalypse

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Noah was amazed, he glanced at the amazing new Lifeblood Jewel with his abilities within them, their power was incredible, and the abilities they held had great and varied uses!

The first set of Skills allowed Noah to take the powerful shape of new and evolved form of a dragon, enhancing all of his capabilities in the way as well! Each Ability seemed to enhance the power of his draconic power, while also having the ability to throw an intimidation-based roar to make enemies fearful.

With this he could use all the draconic power of a tyrannical dragon and overwhelm entire troops of enemies. He couldn't wait to use this power the most.

Meanwhile, the other Skills were about the enhancement of troops through the ability of a Dragon King, which naturally boost the power of troops while your presence is near, alongside the power to Guide Dragons to walk through your path! This could greatly enhance their growth speed, and more with just them swearing loyalty to him.

And to boot, the power of the Dragon Guider Ability had the amazing effect of boosting the potential of his allies, meaning that not only their total immediate power could grow, but also the power they held within them, the innate potential and talent they had would blossom into completely new powers as they evolved and developed.

And lastly, there was a surprising new section, three abilities related with Summoning! It seems that the power of these dragons concentrates through his comprehension of the ability to summon, and it ended into this power. Although apparently Gaia had added this to the blueprint as well, but never expected it could become so overpowered!

"I had added this blueprint into the Lifeblood Jewel out of the usage of the information of the previous Lifeblood Jewel you created. I began to think that there was a lot of potential if we concentrated the origin power of the Lifeblood Jewels and fused it with your amazing Summoning Talent. This way, we were able to find a way to bring even summonable dragons… though the true effects are way better than we could had ever imagined, there are still many things left for us to learn about the Lifeblood Jewels of yours…" said Gaia.

"I-Indeed, I guess I'll give her credit for that section of the skills… though I was the one that came with the idea of the Dragon Guider!" said the Blood Progenitor. He wasn't letting Gaia take all the credit.

"Okay, both of you calm down…" sighed Noah.

Noah saw that one of these Summoning Abilities granted him the ability to be able to summon a powerful Demigod Realm Rank 1 Dragon that wielded four elements and was… apparently brought from a completely different Universe?! How could that even work? And to boot, he could also summon troops of divine elemental dragons to battle with him, which couldn't grow in power like his blood undead troops but were strong from the get-go.

Fusing these troops alongside the others he possessed was the key to victory for Noah! And this path… this path finally showed itself to him! With this he could storm the castle and also bring his blood undead, and completely dominate this feeble place.

He quickly decided to try out summoning this powerful Dragon after checking his Ability once more to see if he had not missed anything…

…

[Four-Element Divine Dragon King Arudiel (200/200)] (Active): Summon the Legendary Four-Element Divine Dragon King Arudiel from the Draconic Universe to aid you in battle, this fearful dragon has the power equivalent to a Demigod of Rank 1.

This legendary dragon possesses the power of Wind, Water, Fire, and Thunder, and can utilize it to unleash terror and disaster to your enemies. Summon can be assigned his own troops and can also share abilities with the user, within them including this lifeblood jewel section abilities. Once summoned, it doesn't drain divine energy. If defeated, it can be summoned again through the use of divine energy once more.

…

"It has the powers of Wind, Water, Fire and Thunder… Aren't those the powers of the Draconic Fathers? But those four were transferred over the other Lifeblood Jewel… Right? How does this summoning skill even works and how does it even brings a being from another Universe?" asked Noah in complete confusion. He couldn't really tell why was this even a thing.

However, his two System Administrators had no idea. They said that it was a thing that just happened, but Gaia, who was more knowledgeable in more things than the Blood Progenitor, began to give out some of the ideas she had in her mind.

"Perhaps your Origin Core is the key, Noah. Your ability as the son of Azathoth might have amazing potentials that you have yet to learn and know and understand about. Due to this, this power is latent on you. Calling upon the souls of ancient warriors from another Universe through the origin connection of your Dragon Heart and your Origin Core merging together… might had created a Summoning Root, which is what helps Warlocks summon beings from another planes to make contracts with. You can already summon the power of Bloodshot Eye, can't you? Then its totally possible that you could had applied this with this dragon… Or perhaps, you've just created it from your own power… I don't really know," said Gaia.

"Hmm… We better ask the dragon itself." Said Noah, as he pointed his open palm into the ground and summoned Arudiel!

FLASH!

A massive magic circle opened out of thin air, covering the ground before Noah, as the powerful amounts of divine energy he spent were infused into it, and a massive figure began to surge out of thin air as the streams of elemental spiritual energies gathered together!

A majestic dragon coated in golden scales and having white membrane wings, with pointy horns resembling a beautiful crown, and flashing emerald wings emerged, standing in two feet, it looked at Noah from above. The dragon himself being over 20 meter tall…

"So I have been summoned?"

This Dragon exuded the true Divine Aura of a Demigod within him…!

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