Let's not mention how the angry Najisen lost his temper. On the other side, a little ahead of time, when the undead army began to attack the city in a big way, Roger's side was already preparing to launch an offensive.

"Has that underground passage collapsed?" Roger looked at the Evil Spirit Castle in the distance and asked Tuna with a solemn expression.

“…… I've had the earth elementals fill in the entire passage. Tuna was still standing behind Roger's left and said very indifferently, "...... Now it would take a lot of time for the earth elementals to dig through this passage. Even if the undead army wants to come back now, it will definitely not be able to survive in a short time. What's more, the earth elementals stationed there can block another part of the underground passage at any time, and the undead army that headed for Talar City should not be able to rush back before we take this undead city. ”

"Good." Roger narrowed his eyes slightly, "Then take advantage of the present time to capture this undead city." ”

Tuna nodded silently, and behind her, countless huge figures began to move slowly. At the same time, the dwarven heavy artillery unit that received the notice also laughed and launched a dwarven mortar and dwarven artillery, aiming at the tall evil spirit fortress.

The leader of this dwarven heavy artillery unit is none other than Master Wattara.

Although it was integrated into a siege force, in fact, this force was completely composed of dwarven craftsmen and dwarven engineering masters who did not have much combat effectiveness, so it was not until the establishment of the Elemental City was completed that this siege force without much self-protection ability was successfully brought from New Shenmu City to this underground Elemental City under the key protection of the Earth Elemental Force led by Tuna.

The Dwarven Masters are not dissatisfied with Roger's heavy protection, in fact, since Roger decided to send the Dwarven Heavy Artillery Force on the expedition, these Dwarven Masters have been in a frenzy, constantly adjusting the Dwarven mortars and Dwarven artillery to strive for the best.

"Shelling! Explode! Invincible! "When they were still in New Shenmu City, these dwarf masters would cheer loudly like this from time to time, which made the elven residents of New Shenmu City quite disgusted with these dwarf winter melons.

Although it has been tested many times. These dwarven mortars and dwarven artillery have also been confirmed by the craftsmen of the Night Elves as safe and qualified engineering products, but at this moment, the dwarven masters led by Master Vatara are still very serious about debugging these dwarven mortars and dwarven artillery.

You know, this is the first appearance of the dwarven heavy artillery unit, and the opponent is still the extremely powerful army of the undead. Master Ouattara and other Dwarven Masters are hoping that the Dwarven Mortar and Dwarven Cannon will be able to perform in the best possible way, so that they will be famous all over the world.

So at this moment, Master Ouattara is personally in charge, of course, the dwarven cannon with the largest caliber and the longest range.

Finally, Master Ouattara, who was sure that everything was ready, nodded at the dwarven masters beside him. Then all the Dwarven Masters retreated to a safe distance with solemn expressions, leaving Master Ouattara standing beside the Dwarven Cannon, holding a small torch.

The muzzles of all the dwarven heavy cannons have already been adjusted, and all that Master Ouattara needs to do now is to fire.

Master Ouattara slowly brought the torch to the fuse at the end of the cannon and lit the white fuse.

The white lead quickly burned out in the dwarves' gaze, and all the dwarves held their breaths in unison.

"Bang!"

With an earth-shattering bang, the dwarven cannon roared and spewed out a large round iron ball, which drew an almost straight trajectory, directly hitting the middle of an arrow tower, and then "boomed" with a loud bang. The explosive iron ball directly broke the entire arrow tower.

When the top half of the arrow tower fell to the ground, the vampire Marquis Ian and the necromancer Derian, who were chatting happily in the council chamber, noticed that something was wrong. However, at this time, as Master Vatara fired the first shot, the dwarven heavy artillery force had already begun to bombard, and the dwarven mortars and dwarven artillery made a huge roar, and countless shells bombarded this wall back and forth several times, until the undead guarding the wall could not raise their heads at all.

Ian and Derian, who didn't notice the sudden appearance of the enemy in the first place, had completely fallen into the disadvantage, but the two undead heroes didn't take it too seriously.

After all, what the undead are best at is the most time-consuming war of attrition, and it doesn't matter if they are at a disadvantage at the beginning.

"Derian! You're in charge of commanding the Great Corpse Witch Force and controlling the Magic Tower, and I'll take the vampire forces to see what happens. Ian ordered directly with a calm face. Then he directly spread his bat wings and flew towards the alchemy lair, "Not long after Lord Najisen left, someone came to attack this evil spirit castle, and this enemy is definitely prepared!" We're in a lot of trouble! ”

"Alas. It's really going wrong, and I hope it's not a big problem. Necromancer Derian shook his head and sighed as he cast his flying spell and flew straight towards the magic tower.

In fact, Ian and Derian were a little nervous about the sudden attack, but they were far from worried. After all, although Najisen is the elite who took away the undead expeditionary force. But the newly recruited undead troops after capturing this dungeon and defeating the dungeon coalition army are still in the Evil Spirit Castle, among which there are even more than sixty top troops such as the Eighth Order Bone Dragon, plus the elite guards of Ian and Derian, the two undead heroes are still very confident in defending this Evil Spirit Castle.

But that faith soon became shattered.

"This, what is this? The mountain giants of the elves? "Looking at the more than thirty rock giants slowly approaching the Evil Spirit Castle with heavy steps, the heart of the vampire Marquis Ian, who spread his bat wings and was suspended in mid-air, was suddenly filled with puzzlement." It doesn't look like it, the mountain giants are taller and larger, and their bodies are hard gray-white rocks. And although these rock giants are also quite tall, their strength is too far behind the mountain giants, the ace troops of the elven race. Since this is not a mountain giant army, then, could it be that these are the so-called giant earth elementals? ”

To be honest, after surviving for so many years, let alone the mountain giants, the ace troops of the elven race. Even these giant earth elemental creatures in front of him Ian were seen for the first time, which made him a little annoyed: for so many years, had he all "lived" to dogs?

"I've never heard of such a huge earth elemental creature. In any case, these big guys can't be allowed to stay near the walls. Frowning. The unhappy-looking vampire Ian plans to directly mobilize the strongest bone dragon army under his command to attack and destroy these huge earth elemental creatures strongly.

"Crackling!"

However, every time Ian moved, a lightning arrow suddenly shot straight at the vampire Ian, and Ian, who was quite alert, dodged the blow sideways in time, only to notice that there was a hero who looked like a little girl above.

It's Wendy!

Wendy snorted at Ian with some disdain. With a wave of her little hand, a large number of Heavenly Thunder Elements gathered beside her, and they all threw the lightning in their hands towards the Ramasu troops who had just stepped out of the nest on the ground! The lightning attack of the seventh-order Heavenly Thunder Element, coupled with the lightning balls on his shoulders, also shot out lightning bolts at the same time, and for a while, Ian's front was completely filled with lightning in the sky!

"Bastard!" Cursing fiercely, Ian dodged Wendy's lightning arrows while directing the troops in the alchemy's lair through the certificate of heroism not to leave the lair for the time being. Under such a dense lightning cover, the undead troops who left the lair to protect were many and fell.

Fortunately, Derian, who cooperated with Ian quite tacitly, opened the magic barrier in time, and Ian, who was scorched all over his body by lightning, breathed a sigh of relief.

I don't care about grooming. Vampire Marquis Ian raised his head and let out a screech. The screams echoed in the Evil Spirit Castle, and hearing Ian's call, Ian's eighth-order vampire count's personal guard quickly rushed to Ian's side, and flew directly through the magic barrier to Wendy and the Heavenly Thunder Elemental Force under his command.

After such a long period of cultivation, the Heavenly Thunder Element can already be mass-produced, so Wendy did not feel distressed and ordered the Heavenly Thunder Elemental to divide a part to entangle those vampire guards, and the rest continued to attack the magic barrier of the Evil Spirit Castle, while she directly faced the vampire Marquis Ian.

While the dwarven heavy artillery forces suppressed the arrow towers of the Evil Ghost Castle, Wendy and the Celestial Thunder Elementals attracted the attention of the vampire Marquis Ian. The boulder elemental troops came to the wall of the Evil Spirit Castle very smoothly, and they all reached out and pressed on the city wall.

Derian, who was trying his best to maintain the stability of the magic barrier, immediately had an ominous premonition when he saw this scene, but he was busy controlling the magic tower, and he couldn't spare his hand to deal with these giant earth elemental creatures.

The boulder elementals' bodies slowly glowed with an earthy yellow glow. The light slowly transmitted to the city wall in front of the boulder element, and immediately after, the city wall and the nearby ground shook violently.

Earth Third-Order Strategic Magic: Earth Shakes the Mountains!

Under this strong vibration, the city wall that was approached by the boulder elements slowly shattered into sand and stones, causing thirty gaps in the originally intact city wall to appear at once!

These gaps are actually not big, but they have been able to get through a large class like the Bone Dragon!

Pay attention to this scene. Roger, Ian, and Derian were all stunned.

"Oh! No! Ian howled loudly, unusually terrible. Ian, who is familiar with Najisen's character, knows very well that if he sees the city wall being destroyed in this way, Najisen will definitely think that the enemy has successfully attacked the evil spirit fortress, and even if he and Derian can finally repel the enemy in front of them, there will definitely be no good fruit to eat.

The consequence of Ian's distraction from paying attention to the state of the city wall was that Wendy's lightning arrow was directly slapping his face. Ian, who was shocked in his heart, cheered up and continued to wrestle with Wendy.

Derian, who was in the magic tower, quickly accepted this reality after sighing, and tried hard to make amends.

However, before that, Derian honestly sent an urgent message to Najisen, and then concentrated on directing the Great Corpse Witch to attack those boulder elementals.

After the boulder elementals had shaken the mountains once, they honestly hammered the remaining walls with their huge fists, trying to leave the undead without a city wall to follow.

Looking at the active performance of the boulder elements, Roger raised his eyebrows at Tuna beside him: "I don't know if compared to the undead legion, we break through the city wall faster, or the undead legion attack the dungeon faster?" ”

It can be seen that Roger is very satisfied with the performance of the boulder elementals, after all, compared to the dwarven heavy artillery troops who have just knocked out the third arrow tower, the boulder elemental troops also have their unique advantages, and the city walls are completely useless in front of these huge earth elemental creatures.

“…… It doesn't matter. Tuna replied indifferently, "...... It's time for us to strike too, and it's important to take this undead city as soon as possible. ”

Roger nodded with a wry smile and charged with Tuna's ceramic elemental troops.

PS: The original group has a problem.,I can't figure it out.,Let's build another group.,Group number 206,839,329,Welcome everyone to irrigate! (^U^)ノ (未完TBR。 )