[Mission Instructions: Assist firepower units in suppressing enemy attacks, prioritizing defense against target counterattacks]
In an instant, a deep hum of overclocking emanated from inside all the fortress-shaped steel castings, and then they began to move in unison.
After lining up one by one at the front, the fortress steel cast simultaneously slammed down the huge alloy shields, the fixing claws that popped out from the lower edge of the shields embedding deeply into the ground.
At the same time, their thick alloy legs, with their special frog-like outriggers, unfolded fully with a "click," like steel stakes driven into the ground, firmly fixing their massive bodies to the ground and forming an almost unshakeable defensive foundation!
In the blink of an eye, the optimally arranged giant shields formed a temporary steel wall radiating a cold metallic luster.
Their purpose was clear: to defend against any counterattack from Li Yu while providing the most solid protection for the fully-equipped attacking steel-cast ships behind them!
[Heavy shock cannon fully charged! Synchronously connected to the overall firepower network!]
With a mechanical whirring sound, a massive, even more rugged heavy impact cannon slowly rose from under their shoulder armor and was steadily placed on the huge alloy shield.
These powerful heavy artillery cannons, in sync with a large number of different types of firepower weapons behind them, locked onto Li Yu in the center of the field!
Judging from its deep and enormous caliber, its power after accumulating energy is probably no weaker than the steel-cast weapons of the previous two batches.
Clearly, as top-tier weapons of war, they possess both extreme defensive capabilities and formidable firepower.
However, due to its enormous size and weight, the steel fortress was slightly slower in moving and providing support, which is why it became the third batch of support units to arrive at the battlefield last.
Strangely, as the fortress steel casts arranged their formation and established their defenses, Li Yu made no attempt to interrupt them, simply watching quietly as the fortress steel casts completed their temporary steel defense line.
Li Yu's unusual reaction puzzled Bai Ya, Xiao Zhan, and the others. After all, Li Yu was not such an arrogant person, so there must be some deeper meaning behind it.
Although he didn't understand why Li Yu did this, seeing the perfect offensive and defensive system that the fortress steel casting had formed with the rear firepower units, Xiao Zhan's heart sank to the bottom, and he even felt a little uneasy.
But... he still wanted to give it a try.
A chilling energy silently surged from Xiao Zhan's body.
The next moment, the torrential rain in the sky was silently frozen, turning into thousands of sharp-edged icicles.
"Go!" Xiao Zhan muttered to himself.
The tip of the ice spike immediately flashed with a chilling white light and accelerated its fall, crashing heavily into the steel-cast legion below!
"Clang! Clang clang clang!!"
Loud impacts emanated from the alloy steel armor shell, and the ice spikes shattered into countless ice shards the moment they touched it. Some ice spikes were even bounced several meters away, creating numerous small craters on the ground.
And those steel castings, whether they were the heavy units in the front row or the firepower steel castings in the rear, were all completely unmoved by the baptism of ice cones!
In the steel-cast men's single, scarlet eyes, there seemed to be only their target, Li Yu, and they showed no reaction to Xiao Zhan's probing attacks.
The heavy rain fell again, washing away the surface of the alloy and leaving only shallow marks, proving that the steel casting had indeed been attacked by ice spikes.
"Tch, overestimating yourself. That's just a tickle." Han Qing looked at Xiao Zhan's sneaky attack with disdain, then boasted:
"That's super alloy!"
Although he said that on the surface, Han Qing was also deeply shocked by the material used to create the steel casting.
That was indeed the legendary, extremely rare meteorite—a superalloy.
Zhou Zhenbei somehow managed to achieve large-scale mass production and application!
Where did Zhou Zhenbei find so many superalloys? Did he discover a special mineral vein that can be smelted into alloys?
The technological prowess and resource mobilization capabilities behind this are terrifying to even think about!
"Super Alloy?"
Li Yu, who had been standing still, seemed to become interested when she heard Han Qing mention this word.
He tilted his head slightly, his gaze sweeping over the fortified steel structure at the very front.
Li Yu didn't interrupt their deployment earlier because he felt that this group of steel-cast fortresses, which arrived late, were no different from the previous two groups except for their size.
But now it seems that these fortress steel castings have something special about them, and the so-called "superalloy" is the source of their confidence.
"Interesting." Li Yu smiled slightly.
"Then I'll personally test the quality of your 'super alloy' to see if it lives up to the name."
Li Yu suddenly raised his hand, and a flash of light appeared on the Phoenix Bow.
Without deliberately building up power, he simply aimed casually at the fortress-like steel structure at the very front, which was already in a defensive stance...
An arrow was shot!
"call out--!"
The arrow pierced the air, its speed leaving only a red afterimage!
[High-energy reaction detected! Defend! Defend!]
The steel-cast body of the fortress, locked on by the attack, shuddered, rapidly channeling its stored energy into the alloy shield. At the same time, the entire mechanical structure tilted forward, tightly integrating with the alloy shield to form a perfect whole to withstand the impact!
The arrow showed no intention of bypassing the shield; instead, it struck the alloy shield head-on with perfect accuracy, piercing right into it.
"Thump—!!!"
A dull, loud bang.
The expected scene of the shield being instantly pierced did not immediately occur. Instead, the alloy shield blocked the initial kinetic energy of the arrow first.
"It blocked it?!" Han Qing's eyes widened, clearly much more excited.
If the arrow can be blocked by the fortress's steel construction, it means that Li Yu's abilities are not as terrifying as he imagined, and there are still ways to counter him!
But the next moment, Han Qing frowned.
The arrow, deeply embedded in the shield, did not stop. The red energy on the tip of the arrow began to burn wildly, stubbornly resisting the powerful resistance of the super alloy, and slowly piercing forward!
"laugh--!"
With a tearing sound, the arrow actually pierced through the super alloy shield and went right through it!
The arrow, its momentum slightly reduced, continued its trajectory without pause, piercing directly into the fortress's incredibly thick, steel-cast alloy chest.
"Clang—!"
Another, even sharper, tearing metallic clang rang out! It was as if two pieces of the hardest metal were ripping each other apart in the most savage way!
The enormous impact caused this steel fortress, weighing hundreds of tons, to tilt backward violently!
He only managed to stay upright because of his fully extended frog-like legs.
However, the arrow, deeply embedded within, did not emerge from the other end of the steel back after emitting a lingering "humming" sound.
After penetrating the superalloy shield and breaking through the thick breastplate, it went deep inside.
The terrifying kinetic energy and destructive energy in the arrow were finally resisted and completely dissipated by the layers of super alloy structure, the internal emergency buffer device, and the surging energy field.
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