"Interestingly, the Floating City of the Nethriel era was almost like a modern city on Earth, except for its small population. Tong Guò has the core of Mithera, which can draw infinite energy from the magic web, and the casters no longer need to spend energy on constant spells, even apprentices can make some powerful things beyond the level, as long as they do not leave the core of Mithera for a distance of 1.5 kilometers. Magic lamps, water works, sewage pipes to heterotopic planes, flight controls, it's hard to imagine that these are things that existed thousands of years ago......"

Henry muttered to himself as he flipped through the thick notes. The more he delved, the more he realized why Lawalker always seemed so proud and proud when he talked about the past.

The greatness of the Nessera civilization lies in the comprehensiveness of the use of magic, a system of technology that is completely different from Earth's technology, but also benefits many people.

According to the design of the Floating City recorded by the Wizard King, ordinary people living in the Floating City can enjoy twenty-four hours of hot and cold water, magic lamps similar to sensor lamps, stoves from the fire element plane, carpets that can fly in the sky, and all kinds of extremely cheap quasi-magic items are full of bits and pieces of life, and even the physical work is done by the golems guarding the city.

What a happy life!

There are no beggars, no vagabonds, no bandits, as long as you obey the laws made by the Great Arcane, you can get free food even if you don't work, and even the so-called developed countries on Earth can't do that.

Gently closing the page, Henry smiled wryly and rubbed his brow. Although Lavok's design of the floating city was almost flawless, he was not prepared to copy it all. There is even a drastic reduction in the civilian sector. Otherwise, it would be a waste of energy.

After all, he didn't have a core of Mithera in his hands. Therefore, it is more cost-effective to keep only the lighting system and the running water system, and as for the stove for cooking, it is more cost-effective to ferment the garbage generated in the city into biogas, and there is no industrial waste that cannot be decomposed.

Finally, and most importantly, the Guardian Force. There are two options based on the current technology, one is to create a traditional golem, which has the advantage of being durable, magically resistant, and able to understand more and more complex commands. As for the disadvantages...... It's expensive, and each one costs a lot of experience points. It is estimated that at least millions will have to be drawn.

The second option is to assume an energy transmission device in the city based on the technology of the dimensional sphere, so that a large number of simple steel golems can be made within the coverage area, although they can only execute a few commands, but they are cheaper, even if they are tens of thousands.

"Cheap vs. performance...... It's a tough choice......" Henry shook his head with a wry smile.

There was no doubt that with his current financial resources, choosing the first option would cost him even the cheapest golem, so mixing the first and second options would be the best solution. However, the question at the moment is how to match this ratio to maximize Cheng Dù's combat effectiveness.

At this moment of great confusion, a portal suddenly appeared in the air of the study. A golden skull appeared in place, and it was none other than the half-lich Conguss.

Without saying a word, Henry directly cast the mage's hand and tightened the curtains. And locked the door behind him, and asked with a frown, "What's the matter?" Could it be that something is wrong with the pit again? ”

"Yes master, you'd better go over and check it out for yourself, we seem to have dug up something terrible, and as soon as it appeared, all the golems and undead creatures completely lost their control, and even I didn't dare to get too close." Congus said excitedly.

"Oh? Let's talk about what happened! Henry did not rush over, but crossed his hands and dragged his chin to listen to the report of his men.

Ever since the half-lich had last said that the further down the mine the mining area went, the higher the uranium content, he felt that something was wrong. Normally, although the quality of ore in a place will vary, it will never exceed 10%.

However, the quality gap of the only uranium ore found in the Feren continent has reached hundreds of times, especially the enriched uranium refined in the last month has exceeded the previous period by 10 times.

It's not about how much the amount of mining has increased, it's about the quality of the ore that has changed dramatically, and even very high concentrations of silver particles can be found in some ore samples, which is almost impossible from a geological point of view.

"This morning, I went to the depths of the pit as usual to check on the progress of mining, but when I got to the bottom, I suddenly found that there was a very strong radiation inside, and even the golem's energy transmission system was disturbed. ”

"It can't be!" Henry could no longer maintain his composure and stood up directly from his chair.

The energy transmission system is based on the principle of the Truss coil, the magic version of the wireless power supply technology is made, plus the distance is not far, theoretically even the most powerful nuclear (radiation) emission is impossible to cause any interference, unless it is a neutron (sub) bomb that has just detonated within a range of 100 meters.

Is it possible that there is such a strong source of radiation as zài in nature?

Undoubtedly impossible, unless it is a burning star, let's say the sun. Otherwise, no matter how violent the earth's crust moves, no matter how hot and hot the depths of the earth's core are, a similar situation will never occur in theory.

"But it did happen, master." Congus whispered helplessly. "Seeing that the golem could not be used, I controlled the undead to continue digging, wanting to see what was inside. Just half an hour ago, I finally saw the most terrifying thing, a heart that was still beating. It was emitting a steady stream of lethal radiation, and even the undead were affected and began to shake wildly, turning into a puddle of powder in a matter of seconds. ”

"You mean to say...... These uranium ores are made from that heart?!! Henry asked aloud with an unconcealed shock on his face.

Kangus nodded slightly: "That's right, I have checked the surrounding geology with blessing protection, and the entire mining area is formed with this heart as a radius. unimaginable power. I didn't even dare to get too close. Otherwise, you will also be fatally wounded. ”

After listening to this sentence. Henry couldn't help but gasp: "What kind of creature is the heart?" And most importantly, is it still alive? ”

He didn't dare to imagine how dangerous such a terrifying radiation source would be if he was still alive, just walking around was enough to kill ninety-nine percent of the animals and plants on the Faeron Continent, whether it was land or sea, all of them would become a dead land, except for a very few high-level spellcasters, even legendary warriors would not be spared.

"It's too old, at least 100,000 years ago, it's hard to deduce, it's possible that the Blue Diamond Dragon, the Plutonium Dragon, and some terrifying creatures in the multiverse contain similar substances. But don't worry. Although this heart is still beating, it has actually crystallized and has no vitality at all. Congus spoke his mind.

As a well-informed half-lich who has explored countless planes, it was the first time he had seen something so shocking with his own eyes, even more exciting than encountering the gods in the astral plane.

"In that case, let's go, I can't wait to see the heart left behind by this powerful lifeform." Saying that, Henry quickly cast the seventh-level "Precision Teleportation", and in the blink of an eye, he came from the study to the bottomless pit. Two seconds later, Congus was not far away.

Unlike the last time the golems and undead worked non-stop to check the operation of the mini-nuclear power plant, all the golems stood motionless at this moment. Invisible electromagnetic waves in the air have disrupted wireless power transmission devices, and some steels have even been magnetized.

Without any hesitation. Henry directly cast two magical protections, and also drank a bottle of anti-radiation potion. You must know that the radiation intensity emitted from the depths of the mine has long exceeded the warning line, and even if a dragon comes, it will die within half a minute, which is simply more terrifying than any known poison in the world.

Kangus also didn't dare to be careless, and also blessed himself with protection, and then said: "Master, please come with me, the location of that heart is here." ”

Due to destructive mining, the inside of the pit has formed a very complex passage, with endless forks in the road that can trap any intruder inside, not to mention the invisible high-energy radiation around it.

As he went deeper and deeper, Henry saw a flash of bright light in the air in some places of very high intensity.

It is a phenomenon of rapid increase in radiation intensity and subsequent rapid decay, known as a "gamma-ray burst" on Earth, which is claimed to be the most violent explosion in the universe.

Unbelievably high-energy, the magic protection on his body even began to tremble slightly, obviously a little unable to support it, especially at the moment when the bright light flashed, the magic net began to shake violently, as if it would collapse at any time.

Henry dared to guarantee that if the protection on his body disappeared, it would only take a second to turn into a puddle of white bones, and 90% of the magic items on his body would be completely destroyed, even if it was a legendary-level one.

"Look, master, it's the heart. We couldn't get any closer, or even a legendary protection spell wouldn't last a few seconds. Congus said to the end of the pit.

Following the direction of his gaze, Henry saw a crystal heart that radiated a multicolored color. Only a small part of the blood vessels were excavated, and if they were all excavated, they would be six to eight meters long, and the fractures of the blood vessels were always expanding one by one, as if they were beating.

Obviously, all the radiation comes from here, and it is it that stimulates the surrounding rocks at all times, producing uranium in a constant supply, which is in a way a natural, endless source of energy that even the core of Mithera cannot match.

After all, the latter relies on the magic net, but the former itself can generate energy, one is an extraction device, and the other is a perpetual motion machine, which is not at the same level at all......

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