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Boom ——!!

On the earth, the half-dragon Hal and the death knight lord who were almost integrated with the war horse collided with each other at a speed that was so fast that it was difficult to distinguish with the naked eye, and the dragon claw with dark brown spiritual power and the gray and black dead knight gun were frozen for a moment before they were forced to bounce off each other, and the wave of air set off turned into a shock wave like a bomb and swept everything around them away, once again leaving a pit nearly 100 meters wide on the ground, and the two figures slid back separately with the force of the shock.

"Roaring ——!!"

After stopping the retreat, Hal turned his head slightly and spewed out a scorching dragon breath, blasting back the rotten dragon breath released by the ghoul dragon lord who wanted to sneak attack him, forcing the other party to stop the attack and avoid it sideways, only then did he breathe a sigh of relief, and then asked in a deep voice to the exclusive brain on his watch:

"Aren't you alright?"

While asking this, Hal also took a trace of consciousness and quickly checked the status of those "Feathered Knight" type crystal guide mechanical puppets under his subordinates through the superior authority of the "Daughter Network". As a class under Howl's command, the status of these "Feathered Knights" will be recorded in great detail and synchronously fed back to the data system of the "handset network".

These data are accurate enough to record the combat records of each "Feathered Knight" itself, the amount of kills, the state of armed ammunition, the state of energy, the damage and other aspects of the information, as long as Hal wants to, he can know all the information of each class under his command in every detail. But obviously, Hal didn't need to do that, he just glanced at it casually, looked at the brief data compiled by the brains, and focused on the current losses of the mechanical golems.

When the legion fights, the detailed command of the arms is in charge of the brains, and Hal only needs to issue a rough battle order, and the specific how to do each class will be completed by the brains for him, and it will definitely be better than if Hal did it himself. The battle report information of the legion will also be sorted out and streamlined by the brains, so as to eliminate most of the unnecessary and cumbersome information, so that Hal can know the current situation of the legion under his command more intuitively and simply with the highest efficiency.

Of the original 1,500 "Feathered Knights", more than 200 have been completely destroyed...... More than 30% of the remaining 1,200 or so bodies are close to overload, and the automatic repair capacity of the body is about to exceed the load limit, and it needs to be repaired as soon as possible, otherwise it may fall into complete damage...... Tsk!'

The damage to "Feathered Knight" made Hal smack his tongue in his heart rather helplessly.

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When it can be said that they unilaterally slaughtered the middle and lower cannon fodder troops on the side of the undead, the two undead lords immediately realized the threat of this mechanical creation.

Immediately, the two undead lords confirmed that those undead classes in the middle and lower levels were probably not the opponents of these mechanical creations, and they immediately wanted to personally destroy this group of mechanical creations.

Hal certainly wasn't going to let these two guys get their way.

Although the "Feather Knight" type crystal guide mechanical puppet has a high resistance to blows and can be automatically repaired, even if it is an ordinary third-level powerhouse, when facing a large number of "Feather Knights", although they will not be defeated, they will not be able to annihilate them too easily.

Just like a few years ago in the Demon Spirit Plane, the Holy Light Church sent three third-level masters such as Raven Lauder, but they were besieged by the sniper of the "Feather Knights" legion, and instead were besieged by tens of thousands of "Feather Knights" and fled.

However, that was only relative to ordinary third-level powerhouses.

The Ghoul Dragon Lord and the Death Knight Lord are both top powerhouses of the third and ninth orders, and their strength is far from being comparable to the three of Raven Lauder! Moreover, this time the battlefield is the undead death domain, and there is neither aura nor magic energy particles around, and the combat ability of the "Feather Knight" who uses the 'magic power' as the energy furnace to drive the battle is already weaker than when he was in the demon spirit plane, not to mention, the number of "Feather Knights" who appear on the battlefield now is far less than at that time, only five hundred!

Just as 500 "Feather Knights" can easily slaughter tens of thousands of undead, the two Undead Lords can also easily wipe out these 500 "Feather Knights" group.

Therefore, Hal didn't expect these five hundred "Feather Knights" to help him fight the Ghoul Dragon Lord and the Death Knight Lord at all, because they basically couldn't help him, and it was quite difficult to even contain the actions of the two Undead Lords, and forcibly confronting the two Undead Lords would only waste their combat power.

The small military formation composed of only 500 "Feather Knights" and the large military formation composed of tens of thousands of "Feather Knights" are really too disparity.

With Hal personally blocking the pressure of the two undead lords, and making it impossible for them to distract from the actions of the "Feathered Knights", the "Feathered Knights'" efficient combat ability was immediately fully utilized.

Although the Demon Spirit Energy Furnace was unable to absorb the undead energy from the outside world and convert it into energy for its own operation due to being in the undead death domain, which greatly reduced the combat endurance of the "Feathered Knights", Hal and the Wise Brain had long been specially prepared for this situation.

Each "Feather Knight" in the battle carries a large number of high-energy spirit crystals in the space storage compartment it is loaded with, and the energy furnace of the "Feather Knight" can directly absorb the spiritual power contained in these spirit crystals to maximize the effective combat time of the "Feather Knight".

Some of these spirit crystals were brought in by Hal when they entered the Ethereal Relic Realm, but most of them were actually collected from the Ethereal Relic Realm itself outside the mausoleum.

Originally, things like spirit crystals, spirit marrow, and spirit liquid were one of the heavenly and earthly treasure-level resources like copper ore and mythril mined from natural ore veins.

However, in the dream country, there has long been the technology to manufacture this type of resource by manual means, but the technical cost is relatively high. For example, the "Void Crystal", a top-level heavenly and earthly treasure that can be used to refine space storage, is already synthesized and manufactured by relying on artificial condensation of space elements.

Spirit crystals are similar, and compared with the "Empty Crystal", the technical difficulty of making spirit crystals is much lower, as long as it is an extraordinary person with a strong enough ability to control the aura, it can be made with bare hands, and the dream country can even do industrial mechanized mass manufacturing, after all, the magic circle of "Gathering Spirit Array" is still very easy to use. In addition, it can also rely on the Wood Spirit Species to make it.

Among them, the work efficiency of the mechanized spirit gathering array is the highest, and the quality of the spirit crystals produced by this is also the most stable, but at the same time, the average quality of the spirit crystals is also the most mediocre. The highest-quality spirit crystals still have to be made by hand by relying on the innate racial innate abilities of the wood spirit species.

As Hal's subordinates, this batch of "Feather Knights" naturally uses the highest quality spirit crystals, which can supply "Feather Knights" to exert the best combat performance. Used in this undead field, it can also better resist the erosion of the undead dead qi, so as to avoid the adverse effects of away environmental combat as much as possible.

Yes, like living beings like Hal and Lily, mechanical golems are also negatively affected by the dead air in the undead realm, and are not immune to this erosion because they are mechanical creations.

It's just that because the mechanical puppet has no flesh and blood, and the control of this mechanical body is also a data-based spiritual brain, so the undead death qi cannot erode the body and armor of the corrupted mechanical puppet, but this negative attribute energy can erode the energy transmission circuit in the mechanical puppet's body!

Because the energy circuit is undoubtedly very delicate and fragile compared to the strong armor of the mechanical golem.

Although the undead will not directly cause the energy circuit in the mechanical puppet's body to lose its effect all at once, it will slowly pollute the quality of the energy circuit itself, causing the energy circuit that could originally provide high-quality spiritual power to operate smoothly gradually deteriorate, and its performance will be more and more seriously weakened.

It doesn't matter whether the energy circuit is a living organism or not, it's like throwing a metal into a sulphuric acid melt, as long as the metal itself is not strong enough to resist, then it will naturally be oxidized and corroded.

In fact, the outer armor of the "Feathered Knight's" crystal-guided mechanical golem is also constantly suffering from the erosion of the undead breath, but the armor itself is strong enough to repair itself, so it can almost ignore the effects of this erosion.

Relatively speaking, the internal energy circuit is relatively fragile, so if it can be avoided, it is better to try to minimize the damage caused by the death of the undead.

Therefore, when the "Feather Knights" were fighting, they also activated the function of a small-area portable energy shield, using the shield to isolate the erosion and damage of the undead to themselves as much as possible. And the energy that makes up this layer of shield is naturally closely related to the energy of the "Feathered Knight" itself. The higher the quality of the spirit crystal, which is the foundation of energy, the stronger the spiritual power refined and output by the energy furnace will naturally be, and the defensive strength of the shield will also increase with the tide.

This is also an important support for the "Feathered Knights" to easily crush and sweep each other when facing the army of the undead.

It's a pity that Rao is like this, and the overall situation on the battlefield is still not very favorable to Hal's side.

Because, the number of undead armies is increasing, and even gradually increasing to the extent that the "Feather Knights" are faintly unable to kill.

Moreover, with the increase in the number of undead armies, in addition to the elite undead of the second rank, some high-level undead of the third rank gradually began to appear occasionally in the army. Although the strength of these high-level undead is far inferior to Hal and the two undead lords, they can also pose a great threat to the "Feathered Knights".

Even with the energy shield, the defense of the armor itself, and the convenient function of automatic repair, the pressure of the "Feathered Knights" is a little unbearable.

It was still thanks to Hal that after finding out that the situation was unfavorable, he immediately threw out a full 1,000 "Feathered Knights" from the storage box and joined the battlefield, allowing 1,500 "Feather Knights" to form a larger military formation to cooperate with each other, greatly sharing the pressure caused by those high-level undead, which can be regarded as stabilizing the battle situation.

The "Feathered Knights" dutifully carried out Howl's orders, even at the cost of being smashed to pieces, to help Hal sweep away all the nights, so that Hal could fight against the two undead lords with peace of mind. But at the cost of repairing themselves, they gradually began to decline.

The automatic repair function of "Active Black Gold" is not limitless, and when it takes enough damage in a short period of time, its "activity" will gradually wear out and lose due to excessive and intense consumption, causing the repair function to become weaker and weaker.

At the same time, the repair function of "active black gold" itself requires a lot of energy in addition to the support of "activity". The more devastating damage you take, the more energy you'll need to repair!

Although the "Feather Knights" are not short of energy for the time being, the armor and various parts on their bodies have inevitably begun to weaken after being damaged again and again.

If you are facing those undead classes that generally only have first- and second-tier strength, the "Feathered Knight" does not have to worry about the problem of 'automatic repair function decay' at all. Because those undead classes simply can't make them take a lot of destructive damage in a short period of time.

But after those powerful undead of the third rank also joined the battlefield, it was impossible for the "Feathered Knight" not to suffer casualties. Even if there is a joint association brought by the military formation, the destructive power of the third-level undead is still too strong, and it can always cause serious damage to the "Feather Knight" in the real sense, and even occasionally completely destroy a few "Feather Knights", so that the other "Feather Knights" in the military formation have no time to rescue their comrades.

The reason is that there are too many of these undead, and they can't be killed no matter how they are killed. And the high-end combat power among them is not weak, there are already so many that even tireless mechanical puppets are about to be dragged down by them.