Of course, the attack of these 100,000 Saint Realm demon cultivators is only tentative. Luo Cao wants to understand the details of the Rhinoceros Forest's protective formation first.

He knew that the opponent's formation must be quite extraordinary, otherwise Hao Kui wouldn't have fallen here in the first place.

Following Luo Cao's order, all kinds of long-range attacks began to violently attack the Xiyan Forest. Here, there are mountain-like boulders, giant trees nearly a hundred feet long, huge sharp horns, and sky-high mountains.

There were scattered fireballs and crisscrossing sword rains... Those Holy Realm demon cultivators responsible for the attack showed off their own special abilities, eager to be the first to break through the enemy's protective formation and take the lead.

The protective formation in Xiyan Forest is at the level of a Dao formation. Although the attacks it received were quite ferocious, the protective shield of the formation always operated normally without any cracks.

After watching for more than a quarter of an hour, Luo Chao's expression finally became more solemn. He raised his hand and gave the order again: "Second team, come out and attack!"

Behind Luo Cao, a large number of demon cultivators swarmed out, each with murderous intent, and rushed towards the protective formation outside Xiyan Forest. The demon cultivators in this second team were surprisingly numbering in the millions.

At the same time, the accompanying demon cultivator formation mages also began to be busy guiding their companions in the direction of attack, all of which were the most critical nodes of the formation.

With the fierce attack of more than one million demon cultivators, the protective formation of Xiyan Forest finally began to come under pressure. The array masters of various races of Xiyan who had been quite idle before began to be busy guiding the defenders to repair the damage to the formation in a timely manner.

Although the offensive of the Rebel Alliance army was fierce, it was not strong enough to severely damage the powerful protective formation.

The reason why Hao Kui almost captured the formation before with only 10,000 troops was because Hao Kui, a strong man in the Heavenly Dao Realm, personally participated in the attack.

Although Hao Kui's cultivation level can only be maintained at the third level of Tiandao Realm, the level of combat power he exerts is not necessarily able to withstand even the strong men at the sixth level of Tiandao Realm. In addition, the two Tiandao Realm people accompanying him

The strong men Bi Chi and Gen Xiao helped each other and caused so much damage to the protective formation of Xi Yan Forest.

Although there are many demon cultivators attacking now, no one from the Heavenly Realm has joined them. It is naturally very difficult to break through the strong formation of Xiyan Forest.

Luo Cao saw it and already knew the limit of the enemy's formation.

"Third team, move in!" Luo Chao ordered again.

This third team is also composed of one million alliance army demon cultivators, but the difference is that this time there are ten strong men in the Heavenly Dao realm.

During this wave of attacks, Luo Chao was actually still testing.

He was waiting for the legendary liberator of the slaves to appear. Before that, he didn't want to put all the main force on them.

With the addition of ten Tiandao Realm powerhouses, the protective formation of Xiyan Forest immediately appeared in danger. Under the guidance of their own formation masters, these Tiandao Realm demon cultivators always joined forces to attack the most vulnerable position of a certain formation node.

Launching a fierce attack, the terrifying impact makes people feel as if the entire formation will be defeated in the next moment.

However, the seemingly shaky protective formations were repaired in time every time at the critical moment. The attacks of these strong men in the Heavenly Dao Realm were still a bit unsatisfactory after all.

Luo Cao's face looked a little ugly.

In his original plan, after this wave of offensive, the enemy would be unable to help but rush out of the protection of the formation to fight those beings in the Heavenly Dao Realm. After all, their threat to the formation was too great.

At that time, the masters of the Heavenly Dao Realm from the major demon sects behind Luo Cao who have already been prepared will all move out, making it impossible for the enemy to escape.

The reason why Luo Cao didn't attack with all his strength at once was because he was worried that the liberator of the slave tribe would choose to run away when the situation was bad. At least if it were him, he would definitely run away.

However, the protective ability of this formation and the defense ability of the formation masters inside were so powerful that they could withstand such a violent attack. This forced Luo Cao to make changes to his original plan.

It was indeed a big blow to him who always prided himself on having every plan.

Just when Luo Cao was considering whether to send more Heavenly Dao realm experts to attack the formation, something unexpected happened.

Countless rune beams of light suddenly shot out from the Rhinoceros Forest, and each beam of light was filled with terrifying destructive power.

"Rune Holy Cannon?" Luo Cao's pupils shrank, showing a slightly shocked expression.

With such powerful destructive power, it is definitely a top-notch rune holy cannon. There is no doubt about this.

Although this kind of rune bombardment has no effect on Tao realm experts, it is still a great threat to deal with some beings with poor body skills in the Holy realm.

Among the more than two million rebel alliance troops, there are quite a few demon cultivators in the Nirvana Realm, and there are even many who are only at the Immortal Realm level. They are very afraid of high-level rune holy cannons.

Sure enough, the next moment the demon cultivators who were attacking the formation were in chaos. The stronger ones in the Immortal Realm who were more advanced in the Taoism managed to avoid the beam of light without any danger, but most of the demon cultivators in the Nirvana Realm and a few of the Divine Realm Realm were miserable.

.

They were almost unable to avoid being bombarded by such fast and dense rune cannon light beams, and large areas were blown to pieces by the light beams on the spot.

This was within Luo Cao's expectation, but what shocked him greatly was that five of the ten powerful men in the Heavenly Dao Realm were also hit by the attack, and even Luo Cao himself did not dare to let it go without moving.

The rune beam that he easily withstood violently impacted his body.

This was no small matter. The five demon cultivators in the Heavenly Dao Realm who had been attacked immediately fell from the sky helplessly.

Several cracks were slightly exposed in the protective cover of Xiyan Forest, and the five seriously injured demon cultivators suddenly disappeared into it and disappeared without a trace.

The rune holy cannon blasted down in a round, not to mention the more than two million demon cultivators who attacked the formation at close range, but even the main force of millions of demon cultivators who raided the formation in the distance were also affected, and some people with lower cultivation levels gathered.

They couldn't dodge together, and a large piece fell down immediately.

Luo Cao angrily commanded the army of the rebel alliance to retreat back, and did not regroup until they were tens of thousands of miles away.

The losses were quickly tallied up. An army of more than nine million people was bombarded by countless high-level rune holy cannons that suddenly came out. Seven to eight million people died on the spot, and more than one million were seriously injured.

Luo Cao suffered such serious damage when he first took charge of the army, and he couldn't stand it anymore.

He had made a slight estimate just now, and found that there were at least 30,000 high-level rune holy artillery formations hidden in the Xiyan Forest. The cost of constructing these alone was tens of billions of holy crystals, and the amount of holy crystals required to fire a salvo was also considerable. He did not expect that the enemy

It actually has such a strong foundation.

It is not easy for rune cannons to hit people, but high-level rune holy cannons are extremely fast, and if they are dense enough, they can still be very lethal to people with low cultivation levels.
Chapter completed!