Compared with the Calsi civilization and the Orissa Empire, which are constantly stationing troops on the border, hoarding war materials, and building a huge number of space-time gates, the abyssal civilization on the other side is just the opposite, and the large armies located on the border of the abyssal galaxy cluster and the Kyushu galaxy cluster have begun to be constantly deployed, and the speed is quite fast.

In order to seize the opportunity to dispatch a large army to exterminate the internal separatist forces as soon as possible, the action on the side of the abyss civilization is the fastest, and the abyss civilization knows very well that the future empire will not have time to pay attention to the abyss civilization at all, and the Kalsi civilization and the Orissa empire will be enough for the empire to be busy.

Therefore, the withdrawal of troops from the Abyss Civilization was simply a little more straightforward, and among the many river systems on the border line, the army of the Abyss Civilization began to decrease and disappear continuously, and all of them were transferred to the battlefield of exterminating the separatist forces.

In a void on the border between the Abyss Civilization Galaxy Cluster and the Kyushu Galaxy Cluster, bursts of spatial fluctuations are constantly rippling, the fluctuations in this space are very small, and the area is in the dark abyss far away from the river system, and the monitoring system of the Abyss Civilization has not found it at all.

A space-time wormhole was opened, and a huge mecha flew out of it, a huge humanoid mecha with a height of 10 kilometers, this is the "Jing Ke" mecha of the latest technology of the empire, equipped with the latest technology of small space teleportation equipment, with very good stealth function, internal space storage technology, so that it can carry a very large combat system and weapon system, don't look small, combat effectiveness is leveraged.

Of course, this "Jing Ke" mecha with stealth function is more focused on stealth, used for sneak attacks, decapitation, fixed-point destruction, rear harassment, espionage intelligence, etc., not really used for frontal combat, among the many mecha in the empire, the mecha really used for frontal combat is the "God of War" mecha, without any stealth ability, all the designs are designed to enhance its combat effectiveness and survivability.

The various design ideas of the "Jing Ke" mecha were not intended for frontal combat from the beginning, of course, this did not prevent the "Jing Ke" mecha from being powerful, and the various weapons carried in the space storage space were also amazingly powerful.

In the mecha flying out of the space-time wormhole, Xiang Yan was driving the mecha to evade the monitoring of the abyss civilization at high speed, and every warp speed flight was stepping on the blind spot of the monitoring of the abyss civilization.

The empire and the abyss civilization have been facing each other on the border for many years, and they will naturally send personnel and launch instruments and equipment to each other to spy on each other, Xiang Yan is a member of the imperial military intelligence department, responsible for spying on the situation on the border of the abyss civilization.

Now the route that Xiang Yan takes is the route that Xiang Yan has explored many times, and he is very familiar, basically every time Xiang Yan lurks on the border line of the abyss civilization, he takes this route, which is a loophole route that the abyss civilization has not yet discovered.

As a member of the many spying on the situation of the Abyss Civilization army, Xiang Yan and the others will basically go to the border line of the Abyss Civilization on a regular basis to spy on intelligence, to see if there are any special abnormal actions on the side of the Abyss Civilization, and more importantly, to find out the distribution of the Abyss Civilization's military strength on the border line and so on.

In the future, once there is a need, the imperial military can take corresponding measures here, and the big snake will hit seven inches in the first time, completely paralyzing the army on the border of the abyss civilization.

Of course, the same is true for the Abyss Civilization, the Imperial Border Force can find a large number of unmanned probes launched by the Abyss Civilization and some manned spaceships and so on almost every moment, as many as a cow's hair, whether it is the Abyss Civilization or the Empire, spying on each other's intelligence is basically a daily daily work.

Similarly, the counter-intelligence espionage work on both sides is becoming more and more rigorous, basically the long border line is densely covered with monitoring systems, and a little bit of noise will immediately alarm the other party's monitoring system, so this line mastered by Xiang Yan is also very rare, once it is discovered by the abyss civilization, this line will be blocked immediately.

Xiang Yan cautiously piloted the mecha and continued to fly towards the territory of the abyss civilization through warp speed, and the biological computer in his mind had already calculated the route clearly, and it also simulated various possibilities.

"Left 2000 light years, 3000 light years down, 200 light years up......"

Originally, the distance was actually not very far, if you took a straight line, Xiang Yan's mecha only needed one spatial teleportation to arrive, but in that case, there was no doubt that it would definitely be discovered by the abyss civilization, so it had to choose to constantly detour and take a very complicated route.

"Whew!"

"Finally got through the most heavily monitored area!"

Looking at the bright river system, Xiang Yan breathed a sigh of relief, at this time, he had almost reached the nearest river system on the border line of the Abyss Civilization, and when he arrived at the inside of the river system, because the Abyss Civilization itself had many spaceships, space warships, etc., space fluctuations were very frequent, and the mecha was not so easy to be discovered.

"Turn on invisibility!"

As Xiang Yan's brain gave an order to the mecha, the originally dark mecha began to gradually become nothing, and soon the mecha could not be seen by the naked eye, the most basic optical stealth of the latest technology "Jing Ke" mecha is naturally necessary, and other kinds of radio waves, rays, magnetic waves, gravitational waves, thermal and other stealth are also essential.

The only flaw that the abyss civilization can find the mecha is the spatial fluctuation, as long as the mecha continues to fly at warp speed and the spatial fluctuations caused by spatial teleportation cannot be hidden at all, this is also the only time that the abyss civilization can be discovered, the scientists of the empire can only produce as small spatial fluctuations as possible, and cannot completely make the spatial fluctuations disappear.

Therefore, Xiang Yan needs to be very careful, every walk is stepping on the blind spot of the monitoring area, of course, when you go to the inside of the river system, the safety is higher.

"Let's go and see the situation in their military port first!"

After arriving at the river system of the abyss civilization, Xiang Yan began to act, this route and several nearby river systems, Xiang Yan often came, so he was very familiar with the road, knew that those places were important, and went straight to these places.

"Release the nanodetector!"

Fly all the way, all the way and don't forget to release a variety of detectors, the most popular of which is naturally the nano detector, these tiny things, invisible to the naked eye, ordinary detectors can not be found at all, only specific equipment and instruments can find the existence of these nano detectors, so it is also a very good detection equipment.

However, it has its own limitations, because it is too small, basically it can't last long after launching, and it is easily damaged by various fluctuations and so on.

"Huh? Why have most of the space warships in the military ports of the Abyss Civilization disappeared? Is it engaging in military acting? Or maybe the ships have been relocated somewhere else? ”

Soon, Xiang Yan found that in the river system where he was located, the army of the Abyss Civilization had almost disappeared, except for a few remaining warships, almost the entire army was nowhere to be found.

This kind of situation rarely happens, the abyss civilization and the empire have a blood feud, so the border line in the direction of the empire has always been deployed heavy troops, basically every river system has a large number of abyssal civilization armies, and the abyss civilization has always been only constantly increasing troops, never said to be reduced.

"Did you know that this point was exposed, and you have rebuilt a military port elsewhere?"

Xiang Yan was puzzled in his mind, the transfer of the military port was also a matter of occurrence, after all, a river system is very large, and it is very easy to find a few places to build a military port, and if the other party wants to spy on it, it is possible to find it by walking through the entire river system.

"Look elsewhere, maybe it's been transferred!"

Xiang Yan piloted the mecha and began to search for the military port of the Abyss Civilization army in the entire river system, and even had to use space teleportation frequently for this purpose, increasing the possibility of being discovered, but in order to talk about this abnormal situation of the Abyss Civilization, it was worth being discovered.

A year later, Xiang Yan had basically explored the entire river system, but there was still no gain, and it was basically certain that the abyssal civilization army in this river system had been transferred, but now he didn't know where he had been transferred.

"Send the detailed information back to the headquarters, and continue to spy on the next river system!"

Xiang Yan silently sent back the information and intelligence he had collected, and began to run to the next river system, he always felt that the situation this time was not simple, the abnormal behavior of the abyss civilization was too abnormal, of course, this situation was not unprecedented, so it still depended on the analysis of the headquarters.

The Intelligence Analysis Department of the Imperial Qingzhou Garrison Headquarters, all kinds of intelligence from the border line of the abyss civilization in front of it are constantly gathering here, and it is not only Xiang Yan who is sent by the empire to spy on the intelligence of the abyss civilization, all kinds of espionage methods are emerging in an endless stream, and a steady stream of information and intelligence is constantly transmitted back.

"The garrison of the Sadala River has disappeared, leaving only a small number of troops left!"

"Crabul has sent back news that the warships of the Abyss Civilization have also been reduced on a large scale, less than 1/10 of the previous ones!"

"The Panjim River military port is empty!"

“……”

The personnel in charge of intelligence analysis soon discovered a major problem, the army on the border of the abyss civilization seemed to have disappeared all at once, and the information transmitted from each river system here was almost identical.

"There must be something big going on here in the Abyss Civilization or something big, immediately report the situation to the command and send the information back to the Imperial Base Camp!"

The intelligence officer realized the importance of the matter and immediately reported the information to his superiors without any hesitation.