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Billowing red flames continued to rise on the ground, eventually engulfing the undead around the site where the cannonballs landed, and at the same time turning the corpses carried by the undead into ashes. However, another disadvantage of the dwarven magic crystal cannon affected the dwarf's counterattack at this time, because these magic crystal cannons were repaired, although there was no problem, but the shooting degree could not reach the original Cheng dù.

Originally, the firing of at least two shells in one minute can now only reach two minutes and three, and if it is faster, the repaired cannon body will not be able to withstand the explosive power of the magic crystal gunpowder. After all, the Magic Crystal Cannon is not a steam cannon, the steam cannon relies on the power of steam to push the cannonball, so the barrel does not need to be too strong, as long as it can withstand the pressure of steam. However, the magic crystal cannon needs to rely on the explosive power of the magic crystal gunpowder to push the cannonball out of the barrel, and the explosive power of the magic crystal gunpowder is very huge, and this explosive force is confined in the barrel, which naturally has high requirements for the strength of the barrel.

Such a high-strength cannon barrel is not easy to make, so the dwarves can easily make the barrels of those steam cannons, but there is no way to easily make a new barrel of the magic crystal cannon. In the past few months, only a limited number of magic crystal cannons have been able to be replaced, and in addition to the lack of materials, the most important thing is that the barrel is too difficult to make.

Don't look at the fact that in four minutes, the black dwarves fired nearly six rounds of shells, which is nearly two rounds less than the number of shells that the magic crystal cannon could fire when it was intact. However, even this artillery bombardment would have enough effect to make the demons eat a pot, at least in the player's opinion, the originally huge number of undead troops had been cleared at least a tenth of them at the moment.

However, for an army of undead with nearly fifty or sixty thousand numbers, the loss of a few thousand undead could not shake the entire undead army at all. However, the thousands of undead were shattered by the magic crystal cannon, creating a gray-white death zone on the second line of defense, and white bone fragments could be seen everywhere mixed with the minced flesh from the explosion of the player's corpse, making the already bloody ground even more terrifying.

But such a bloody and terrifying environment is nothing to the demons, and the undead who have no sense of fear are even less feeling. The undead who gathered more and more attacked again under the mobilization of Latamicius, and this time the undead's attack looked even more vast, but the three big demons who were originally the pioneers did not join this attack, but flapped their wings and flew in the air with a huge number of small demons.

The sheer number of imps didn't stop the magic crystal cannons on the city walls from firing. Although the magic crystal cannons on the upper level have indeed stopped attacking now, the magic crystal cannons in the city walls that rely on the open muzzles are still attacking outward. The fierce roar of the player's mouth kept falling on the path of the undead, but it could not stop the gray-white torrent from moving forward. Although the explosion generated by each cannonball will turn dozens of undead into fragments, there are as many as ten magic crystal cannons in the second-layer city wall, and a round of bombardment is the number of hundreds of undead turned into fragments, but for the number of fifty or sixty thousand for the entire undead army, it is a drop in the bucket.

But the dwarven attack can at least give a little comfort to the players who are struggling under the city walls, especially the existence of the six holy rank dwarves has made the players who are a little timid raise some courage. So although the players on the third line of defense were still trembling, as the army of the undead approached, all players still managed to raise their weapons and fight back towards the bone frame that rushed towards them.

The steam cannons in the bunkers under the low walls and the steam cannons on the low walls attack at the same time, and the magic crystal gunpowder cannonballs continue to explode in the army of the undead, reducing the pressure on the players on the defensive line. The roaring players kept roaring to keep their feelings from being overwhelmed by fear, and the black dwarf powerhouses were fighting on the front line, constantly knocking the undead who were close to them to pieces. Warhammers encrusted with Divine Power gems are very useful against these undead. Even a great demon like Saffron could not withstand the divine power that was abundant on these warhammers. But as the battle continued, the divine power in these gems began to be consumed in large quantities, and the gems on the warhammer almost began to flicker and darken, and they looked like they were about to shatter at any moment.

However, even if these gems were shattered, they could still hold out for a long time with the strength of a few black dwarf powerhouses, but they had been injured in the previous battle against Saffron, so their combat strength had been reduced. In fact, it is easy for players standing around to observe the situation of several dwarves, they have lost health and have not recovered, although their combat power has not been reduced, but several small negative states continue to appear to let players know that a few dwarves are not having a good time.

But at this time, there was no way for a few black dwarves to retreat, and if they retreated, then the entire defense line would fall into a very passive situation because of their escape. Therefore, even if they knew that if they continued to stay on the defensive line, they might be swarmed to death. But none of the six black dwarves wanted to retreat.

Just as the battle on the ground was completely scorched, all the steam cannons in the bunkers were struggling to fend off the undead attack. The thousands of little demons that had been hovering in the air attacked the city wall for the first time under the leadership of the three big demons, and almost at the same time as they flew in, the dwarves on the city wall stirred up the arcane explosive submunitions loaded in the magic crystal cannon.

Ten arcane bombs flew out of the muzzle of the cannon almost at the same time as the Great Demon Raid. Directly after flying out of the kilometer, it exploded into thousands of small steel balls and spread all over the sky of the entire underground space. But at this time, the three great demon wings that rushed forward suddenly flapped, and the terrifying demonic power created a black flame vortex in the air along their wings. The flame vortex created by the three great demons together directly shattered the metal steel balls that rushed towards them, opening a safe path for all the little demons in the air.

Seeing this situation, Engels, the general defending the city on the city wall, knew that something was wrong, even if he ordered to shoot the atomic bomb again, but the magic crystal cannon had just completed the first round of the atomic bomb. The second shot also took more than ten seconds of preparation time at the earliest, and this time was enough for those little devils to assault the city wall less than a kilometer away. This distance was enough for the little demons to release fireballs to bombard the city walls, and this was the purpose of the three great demons.

Seeing the little devil Engels who was constantly approaching, his face was very ugly. "Keep loading! Keep loading me! Even if you are attacked, shoot the shells! Go on!!! Engels' shiny bald scoop had turned black and red, and sweat mixed with oil made his head look very shiny, but he was about to go crazy at the moment.

"Reloaded!!" The first dwarven gunner shouted excitedly, but his words were interrupted by a shoehorn from Engels.

"You're not going to shoot me yet!" Engels threw the shoehorn that had been snatched from the player's foot on the side, and then roared loudly. Hearing his words, the dwarf shouted out the reloaded. Subconsciously provoked the magic crystal cannon, and then a loaded arcane explosive sub-mother bullet flew out from the muzzle of the cannon and flew towards the little demon less than a kilometer away from the city wall. Almost at the same time as this magic crystal cannon fired, the other magic crystal cannons also completed the reloading accordingly, and directly provoked the magic crystal cannon at the moment when the reloading was completed. One by one, the arctic explosion bombs rushed towards these little devils as they prepared to shoot the fireball technique, and the three big demons in the sky had no way to face this situation, because even if they used the flame vortex, they couldn't block all the broken small steel balls.

The fireballs shot by the little devils almost staggered with the small steel balls in the air, and the fireballs that flew out smashed the city wall, and the small steel balls in the air turned the little devils who stayed in the air into falling birds. One by one, the little devils fell from the sky due to damage to their wings, and the originally huge army of little devils was hacked by nearly one-third at once.

However, the little devil's fireball also caused heavy losses to the black dwarves on the city wall, and also made the player cry for his father. Even if all the dwarves were prepared when they saw the little demon, they raised their shields directly in front of them almost without waiting for the fireball to fall. But the effect of thousands of small fireballs is still terrifying. Even if some little demons shot the fireballs that were originally aimed at the city wall crookedly in order to avoid the steel balls, the number of fireballs that landed on the city wall was still a bit terrifying.

Although the fireballs did not fall on the city at the same time, the time interval between them was still very short. Every time a fireball falls, at least one or even three or four players on the city wall will be sent to the western sky, and the result of thousands of fireballs hitting the city wall is that nearly two thousand players guarding the city wall are sent to have coffee with Antolo.

At the same time, the players under the walls were also hit hard by the fireballs falling overhead, and a single attack sent hundreds of players on the low wall and even the third line of defense under the low wall to meet the Immortal. When the flames receded, the walls were in shambles, but Engels, who was hiding behind his shield, knew very well that this was only the first round of attacks. Without the threat of the Arcane Bomb, those little demons will definitely attack the city walls even more. Fortunately, the dwarves obeyed the player's construction and opened up the magic crystal cannon of the two-story city wall, and one by one the atomic bombs were shot out when the little devil attacked the city wall, and exploded in front of the little devil along with the atomic bombs in front of them. This time, even the Great Demon could only use its wings to protect its body, and the wolf dodged the small steel balls that flew everywhere.

Although these little steel balls will not harm them. However, the huge number still troubled the three great demons, so the three great demons chose to use their wings to protect their bodies and descend. When they descended less than ten meters above the ground, they spread their wings again, and then began to attack the walls. This is the strategy developed by the demon lords, to use the little devils to sweep away the defenses on the city walls after the battle begins. Even if it costs a lot of money, the three great demons then rush to the city wall to complete the final battle to open the way for the follow-up troops.

At this time, most of the black dwarves on the city wall had not recovered from the fireball bombardment, and all the magic crystal cannons had lost their ability to attack even if they were not destroyed in a short time, and the only defensive weapons on the entire city wall were estimated to be only a dozen magic crystal rocket artillery. Mage players hiding under the steel plates behind the bazookas are slowly using their spells to reach the Crystal Bazookas. Prepare to guide them after the rocket launches, and the target is the three archdemons who are rushing towards the city walls.

With the help of the magic crystal provided by the dwarves, several players worked together to control the magic crystal rocket artillery, and they began to rotate the gun carriage of the magic crystal rocket cannon at the moment of the Great Demon Plus Assault. More than a dozen metal pipes were fixed again after only a few turns, and then the tail end of the metal pipe began to bloom with fierce flames, and then more than a dozen magic crystal rockets flew out instantly under the guidance of the player, and nearly two hundred flames bloomed on the entire city wall at this moment, especially the two magic crystal rocket launchers in the center have more than thirty tubes, and they can shoot more than sixty magic crystal rockets at one time.

More than two hundred magic crystal rockets under the player's control directly attacked the three big demons who were only 100 meters away from the city wall, seeing this situation, the bodies of the three big demons suddenly stopped and turned urgently, but the magic crystal rockets controlled by the player also deflected in the air. More than two hundred rocket launchers were divided into three groups. Chasing the three Great Demons respectively, and compared to the movement of the Great Demon in the air, the degree of the Demon Crystal Rocket is undoubtedly much faster. As soon as the three great demons shifted direction, more than two hundred rockets had already caught up with them, followed by a series of explosions that resounded through the low sky of the underground world.

The dwarves made zuò are very powerful, and in order to increase the power of the Crystal rocket artillery, some armor-piercing quilts are designed on the magic crystal rockets. Although for several big demons, the power of the magic crystal rocket cannot be compared to the magic crystal armor-piercing projectile, after all, the charge of the rocket warhead is not much, even if the power is limited. However, even if the power is limited, dozens of magic crystal rockets will blow up the three big demons when they hit the target in turn, but this kind of surface trauma is nothing to the lord-level big demons, in fact, if more than two hundred rockets hit a big demon at the same time, it will seriously hurt the other party. But after dispersion, such explosions are still within their range.

However, the three archdemons did not take much damage, but the faces of the player casters who were responsible for shooting the Crystal Bazooka had turned green. Although they had a test of manipulating the Magic Crystal Rocket before, the situation at that time was definitely very different from now, the most important point was that they hit a fixed target and now they hit a moving target, and it takes more effort to manipulate the additional guidance technique on the Magic Crystal Rocket. Luckily, the last thing players lacked was a replacement, and when the new Crystal Rocket was pushed into the rocket launcher's tube, the substitute player caster released the channeling spell on the Crystal Bazooka.

However, the reloading of the Magic Crystal Rocket is far more troublesome than the Magic Crystal Cannon, not to mention that it cannot be reinstalled in one minute, even if it takes another three minutes. As soon as the dwarves stuff the rocket into the tube, the player will be directly excited. The rockets that flew out shot at the injured archdemon in a very straight trajectory. Only in this way can the players on the city walls barely block the attacks of the Great Demon, and the continuous attacks also bought Engels time to reorganize his defenses.

The dwarven gunner, who returned to his post again, continued to manipulate the magic crystal cannon baptized by the fireball and shot the magic crystal armor-piercing shells at the three big demons who were attacked, but the three big demons did not give the dwarves on the city wall time to mend their knives. Although they can't dodge the Crystal Rockets with Channeling attached, it doesn't mean that they can't dodge the Crystal Armor Piercing Bullets with a relatively straight trajectory. Therefore, this round of dwarven shelling except for a limited number of shells grazed the opponent's body. Most of the other attacks missed.

However, the few magic crystal armor-piercing bullets that hit made the three great demons flying in the air choose to land on the ground, and kept retreating backwards. Because one of these hit shells ripped off the shoulder blade of the archdemon Zazigger, the other drilled a large hole in Fernand's thigh, and the last two opened two large holes in the body of the archdemon Medra. Although it didn't hit his demon heart. But the injuries were enough to scare Medra.

It can be said that the retreat of the three great demons completely shattered Kikigra's original intention to directly capture the city wall, although at this moment the undead under the city wall have eliminated the three pillboxes, but as long as the city wall is still in the hands of the dwarves, then the undead will continue to be hit by the magic crystal cannon on the city wall even if they occupy the entire ground position. In order to eliminate the magic crystal cannon position on the city wall. Kikigra made the little demons risk their attacks, but in the end, they still fell short. However, even if the imp's attack was unsuccessful, Kikigra did not intend to relax the intensity of her attack on the positions under the city walls, because in her eyes, the undead were consumables, and Latamicius could turn the player's corpse into an undead at any time to replenish her strength. Therefore, as long as you can completely occupy the position under the city of Sucheng, then it is worth it even if you pay more undead.

Originally, they also expected that the undead's attack would shrink after the three great demons retreated, but the result was the opposite, and the undead's attack was not only not slowed down, but more ji1iè. Wave after wave of skeleton swordsmen swung their bone swords at the players on the city walls, and some of the undead's weapons even changed from bone swords to weapons captured from players. Looking at that weapon with a magical sheen, the mood of many players is definitely quite bad.

Because many of them have to pay relatively high gold coins to buy these weapons from the dwarves in order to buy these weapons from the dwarves. Although the weapons purchased in the city are much cheaper than on the ground, the additional conditions are also very harsh, and players must complete a certain contribution to obtain a weapon purchase permit, and some players need to work for the dwarves for more than half a month just to exchange for the purchase license of that weapon. (To be continued......)