Planet Fortress, as the name suggests, is to use the planet as a fortress. But even on a real planet, the thickness of its shell is limited.

In the case of the Earth, the structure of the entire Earth is divided into the crust, mantle and core. The Earth's crust is the Earth's main armor belt, while the mantle is a ring of flowing semi-solid lava that supports and cushions. As for the core of the earth, it is the energy core of the entire earth.

For the Earth, the outer hard crust is its main means of resisting external attacks, but this armor belt is less than thirty kilometers away. Even at some extremely deep seafloors, the thickness of the earth's crust is only more than ten kilometers.

But even so, even the asteroid collision that destroyed the dinosaurs did not penetrate this thin layer of crust.

And now the Martian fortress actually has alloy armor belts up to 1,000 kilometers thick, although these armor belts are not solid, but a complex combination of layers, somewhat similar to the composite armor of human tanks. But his defensive effect is much greater than that of the earth's crust made of rocky layers.

The thought that his Martian fortress had an alloy layer of nearly 1,000 kilometers made Yun Qi feel very relieved. However, he was more curious about how Iona did it, after all, after the Emperor of the Universe changed into a planet, the thickness of the armor layer was only a few hundred kilometers.

It's just that the Emperor of the Universe has an incredibly large amount of fire energy, which can strengthen his armor layer, making it reach hundreds or even thousands of times the defensive effect of ordinary alloy armor.

Seeing Yun Qi looking at him suspiciously, Iona tilted her head and thought about it and said, "Iona didn't do anything, when she used nanomorphing particles to transform before, the entire Mars became a physical metal planet. Iona simply hollowed out the middle structure and transformed it into a power core, and installed some drives at the same time. As for the outer armor belt, it was originally the metalized crust and mantle layer left over from the transformation!"

Hearing Iona's explanation, Yun Qi suddenly understood.

Iona didn't build such a thick layer of armor by herself at all, but that Mars, which was transformed into a metallic state, naturally existed in such an all-metal armor layer.

Iona is just cutting corners, not wanting to spend time on reinventing Mars' appearance.

This natural armor defense is much stronger than any stance shield.

Just like what composite armor was researched by human beings at the beginning, it is said that at the same thickness, its defensive power is several times that of homogeneous armor. But the most powerful man-made fortifications were never protected by composite armor.

The most reliable defense method is to cover the top of the head with hundreds of meters of reinforced concrete soil. You have to take a break from what nuclear bomb or burrowing bomb you have!

Armor defense, thickness is king!

Artillery attack, caliber is justice!

Now that the Martian fortress has a sufficiently thick armored defense belt, Yun Qi doesn't believe in the immortal and weak Emperor of the Universe!

I saw that Yun Qi completely gave up the stance shield, and directly put the Martian Fortress on the face of the Emperor of the Universe, fanning him!

You shoot me, I'll shoot you!

The two sides are on the same page!

Thundered!

The enraged Emperor of the Universe roared and sent out an artificial sun that was enough to melt everything, and slammed it into the surface of the Martian fortress!

And this time, the furious Emperor of the Universe also lost a zodiac sign at one time.

A series of twelve artificial suns sounded on the surface of Mars at the same time, which is almost equivalent to millions of nuclear bombs igniting on the surface of Mars at the same time!

If this were the original earth, it would probably be blown to pieces.

But after this violent flash, nothing more than twelve huge craters appeared on the surface of Mars, with a depth of 200 kilometers and a diameter of more than 3,000 kilometers!

"Twenty percent of the damage to the armor belt! The fortress is running without abnormality!"

But such a serious injury still didn't hurt the muscles and bones, Yun Qi really understood this time, the Star Fortress is not something that can be destroyed by external forces at all. It's no wonder that every time I watch a sci-fi movie, I have to destroy this thing and blow it up.

Hearing the assessment of the loss management of the forehead, Yun Qi was unreasonable. I saw him say casually: "Turn the Martian fortress around and continue to face him! Then there will be an electromagnetic cannon array, adding some pimples to the face of the Emperor of the Universe!"

Hearing Yun Qi's order, the fire control commander Angela said impatiently: "It's useless to fight back and forth, Yun Qi, do you still have any powerful weapons!

Looking at Angela, who was deeply resentful, Yun Qi shook his head and said, "With that thing, I will still fight against the Emperor of the Universe like this." Alright, girl, go ahead and bang him for me!"

"Hmph!" Angela, who was very upset by Yun Qi's perfunctory attitude, pressed the launch button fiercely, and then a large number of electromagnetic railguns grew from the ground in an instant on a huge clearing on the surface of Mars.

These large guns, which can be stuffed into a truck, can flatten a small island with a single shot. Hundreds of thousands of such cannons fired at the same time, and the spectacle was simply staggering.

Boom Boom!

Spanning 300,000 kilometers, hundreds of thousands of super giant electromagnetic cannonballs smashed into the face of the Emperor of the Universe, bringing a huge explosion of flames!

In an instant, this ferocious electromagnetic cannon attack at least created hundreds of huge craters with a depth of more than three kilometers in the face of the Emperor of the Universe.

"You've me off!" Obviously, the penetration of this wave of electromagnetic cannon attacks is strong enough, although it still can't penetrate the universe emperor's energy armor belt that is up to 300 kilometers thick, but at least it has hurt him!

"I'm going to devour you completely!" The Emperor of the Universe, who was tired of shooting like this, finally used his trick of devouring the stars!

I saw that on the front of the fortress planet transformed by the Great Emperor of the Universe, a huge sinkhole appeared. This bottomless huge depression with a diameter of more than 3,000 kilometers is the mouth of the Emperor of the Universe.

He used his planet-devouring abilities to destroy countless planets with intelligent life, completely shattering those planets and transforming them into energy.

Buzzing~

A huge space vibration struck, and when the Emperor of the Universe used his planet devouring ability, a gravitational tide appeared out of thin air, and the huge Mars began to be affected by this gravitational force and headed in the direction of the Emperor of the Universe!

"Captain, an unexplained gravitational well has been detected, and the Martian Fortress is being dragged towards the Emperor of the Universe!" Iona reported as soon as she noticed that the Martian Fortress had moved.

"Let him suck it! No, we're going to speed up and crash into it all at once!"

"But, Iona, are you sure how long the Martian fortress can last, if your calculations get wrong, we're all doomed!" Yun Qi asked.

"The probability of error is less than thirty percent, and my calculations come from the historical data recorded by the Transformers for the Emperor of the Universe!" Iona replied.

"Thirty percent, that is, if you're unlucky, it's all gone!"

"Okay! Bet on it! Order the Union fleet to retreat at once and prepare for external fire support. Are the Autobots and Decepticons all ready?"

Hearing Yun Qi's inquiry, Qi Qi, who was in charge of communications, immediately replied, "Yun Qi, the raid force has been prepared!"

Seeing that everything was ready, Yun Qi suddenly got up and ordered loudly: "Victory or defeat is here, I order, the raid plan will be launched immediately!"

As Yun Qi's order was given, the Martian Fortress accelerated violently, followed the direction of the gravitational well, and rushed into the mouth of the Emperor of the Universe!