After a pause, Li He suddenly said: "Great Master, I have a problem here: some big demons have flexible body skills and quick reactions, for example, the demon birds flying in the sky are dozens of feet in an instant, and our missiles can't hit them." Although the power of the spirit cannon is great, can it hit the demon bird?"

Qin Di said: "The runes of the cannonballs include the 'Demon Slaying Talisman', which can move to find the Demon Beast Jindan, which is equivalent to automatic navigation. ”

"This ...... What's the principle behind this?"

"Xiuzhen is inseparable from the law of the Great Dao, and the law of the Great Dao is drawn as a rune, so after the golden pill is formed, it automatically has a thundercloud pattern, and the thundercloud pattern is consistent with the rune on the cannonball, attracting each other and impacting. ”

Zhang Liang rolled his eyes and asked, "Great Master, can such a spirit cannon kill Jindan Zhenren?"

Qin Di glanced at him and said, "Do you want to attack Kunlun Mountain? This kind of spirit cannon is useless to me! Because I have already returned to the basics and hidden the runes." ”

The rest of the people all stared at Zhang Liang and thought, "You old guy, what kind of questions are you asking! Don't even think about this kind of thing!"

Zhang Liang smiled awkwardly: "Great Master, you misunderstood me, I want to understand the principle, I am afraid of accidentally hurting the cultivators." ”

Qin Di said: "Man is the spirit of all things, and the Jindan rune is of high grade, which is inconsistent with the rune on the cannonball, which is also the difference between demons." As long as you don't aim the cannon at the cultivators, you won't accidentally hurt the Terran monks. ”

In other words, if you aim a cannon at Jindan Zhenren, you can still bombard it if you are caught off guard.

Li He stretched out his hand to stroke the spirit cannon, the more he looked at it, the more he liked it, and said: "This kind of spirit cannon is very valuable, with it, it can make human settlements safer, I hope to build a few more." ”

Qin Di said: "A silver bullet iron cannon like this is the lowest-level spirit cannon, and it can only deal with a Jindan-level demon. I judge that in the depths of the sea, a great demon at the level of a primordial infant has already been produced! Siberia may also produce a primordial demon.

If you want to deal with them, you still have to use spirit gold to refine the cannon body and cannonballs!

The spirit gold I am talking about is the recipe I provided a long time ago, and it has been wasted by you on refining sniper rifles! It contains gold, ruthenium, rhodium, palladium, osmium, iridium, platinum and other precious metals, plus rune power, the power is three times higher than this silver cannon, and it can form a large hole with a diameter of five meters, posing a great threat to the Yuanying Great Demon. ”

Hearing this, Zhang Liang couldn't help but show a bitter face: "Great Master, maybe you don't know that the national reserves of precious metals are running out! In addition to silver, gold, ruthenium, rhodium, palladium, osmium, iridium, platinum, and so on are all about to run out! Rare earths have been mined for many years, and too much has been wasted, and although there are still some reserves, they are all poor ores, and it is becoming more and more difficult to refine. As a last resort, we even have to re-refine the slag!"

Someone asked, "Can I still import some from abroad?"

Zhang Liang replied: "It's too difficult! At most, you can go to Central Asia and Europe by land, and the Americas and Australia are far away from the ocean. Even if you go to Europe, you will take a lot of risks on the way, send a division of troops out, and you don't know how many people will come back. ”

Someone said: "Then there are two prongs, one is to send people to the Western Regions, and the other is to call on the people of the whole country to donate jewelry, gold bracelets, platinum rings, these things are still available." ”

Qin Di didn't say that he still kept some precious metals in his hands, but just reminded them: "Send a master over as soon as possible, and I will teach them to draw talismans." You bring this spirit cannon back and cast more cannons according to it. ”

Everyone saluted him together: "Thank you, Great Master!"

These people walked on the way back before they remembered: "If you want to activate the spirit cannon, you also need to use spirit stones." This is also a limitation. ”

In recent years, the state has not collected and stored spirit stones, and most of the spirit stones have been consumed by cultivators.

Fortunately, spiritual ores have been discovered in some places, and you can find a way to dig them, or exchange them from the various sects.

Two or three years later, 50 spirit cannons were arranged on the defensive line of the four capitals in the southeast, northwest and northwest, and in order to cast these spirit cannons, the relevant part spent a lot of effort.

But after the spirit cannon was arranged, it also gave the military a little breath.

In 2153, a vulture living in the Andes Mountains of South America advanced to the late stage of Jindan, and then it showed its might, flew into the sky, and pecked off the satellites!

Generally, earth observation satellites do not have high orbit orbits and belong to medium and low orbit satellites. For example, in China's early years, the Fengyun-1 and Fengyun-3 meteorological satellites had an orbital altitude of more than 800 kilometers, and the resource exploration satellites had an orbital altitude of 300-500 kilometers.

High-orbit satellites are generally related to communications. For example, the GPS satellites of the Eagle Country have an average orbital altitude of 20,200 kilometers. Among the satellites of China's Beidou satellite navigation system, there are 5 geostationary orbit satellites and 30 medium- and high-orbit satellites, of which 30 medium- and high-orbit satellites have an altitude of 21,300-21,500 kilometers.

Geostationary orbit satellites are basically communication satellites. The orbit is over the equator at an altitude of 36,000 kilometers.

But this Andean vulture was so fierce that its talent was stimulated, and it flew directly into the air at an altitude of 36,000 kilometers, destroying all the satellites one by one!

Moreover, this guy is very cunning, and vaguely feels that there is a great threat to Kunlun Mountain, so it never passes at a low altitude above the Shenzhou Continent, and the spirit cannon that has just been cast is useless to it!

The satellites are gone, and the military is equivalent to losing its eyes!

The Shenzhou military felt very distressed, but what was even more distressed was that the United States on the other side of the ocean, which could have used satellite guidance and nuclear weapons to bomb the place where the monsters gathered, has now become a black eye, and I don't know what to do!

After the satellite is gone, ground communication is affected, especially 8G at this time, mainly relying on satellite communication. There was no way, the country had to go back and rebuild the 4G and 5G systems.

In the past, when there was satellite communication, Americans could also log on to the website of the Spring and Autumn Palace, learn online classes from there, and then pass on to the white people in need through some Chinese translations, but because the aura arrived in the Americas late, the start of cultivating real people was also very late.

Without satellites, they wouldn't be able to steal the method of cultivating the truth.

Subsequently, the oppression brought by the demon beast became greater and greater, and the United States was in dire straits.

Some people may ask, since the Andean condor can fly 30,000 kilometers high, can Qin Di fly so high? If he can fly so high, does it mean that he has achieved daylight ascension?

The answer is no. Qin Di can fly to the moon, but flying to the moon does not mean that the sun rises.

The ascension of the day refers to tearing through the void and entering different latitudes, there are a total of six realms and 36 heavy spaces in the universe, and the skill is not at the peak of the Yuanying, and there is no way to step into the high-latitude space. The moon, the earth, and the sun all belong to the same three-dimensional space, and no matter how far they fly, there is no point in flying.