The Invincible Overlord of Heroes.

Although he was prepared, Xu Lai still took a breath after getting this almost accurate number.

The bone dragon is not ranked very high among the ultimate troops, but no matter how weak the ultimate troop is, it is still an ultimate troop.

The number of one hundred thousand is horrifying just by hearing it, and this is not even the full strength of the cemetery camp.

Perhaps these bone dragons are all that Sandro owns, but in the Eastern Empire, the Skeleton King and the Knight King still control some bone dragons.

If these are counted, the number of ultimate troops in the cemetery alone is as high as hundreds of thousands.

The ultimate army alone is extremely terrifying, but when Xu Lai obtained detailed information about Sandro from the Elf Queen, even he felt a sense of despair.

As we all know, because the ultimate troops of the cemetery are somewhat weak, the terror knights and corpse wizards of the cemetery, to a certain extent, play the role of the ultimate troops.

Xu Lai didn't know how many Terror Knights Sandro had. He only knew that he must have some, but because they had never appeared on the scene, the exact number was unknown.

But Xu Lai knew that because of the artifact, Sandro would have a lot of black knights and corpse wizards.

The Black Knight can advance to the Dark Knight, Terror Knight and Fear Knight.

A corpse wizard can only advance to a great corpse wizard or a corpse wizard king, and the highest level will not exceed 7th level.

The level of the Corpse Wizard King is not as high as that of the Elf Archer, and even the Human Archer can reach level 7.

The key is that the number of corpse wizards is too large.

According to this information, the number of Sandro's corpse witches is as high as one million.

And this was only the statistics from a few months ago. I wonder how many corpse wizards he has recruited in the past few months.

Even if not all of these corpse wizards can advance to corpse wizard kings, it is still a terrifyingly large number.

What's more, this is just what happened on the battlefield, and no one knows whether Sandro has left any troops in the rear.

Although the Corpse Wizard cannot attack in groups, as a magic output, physical defense is difficult to resist.

Its biggest weakness before was its range, which was less than half of the elves’ range.

But after occupying the city wall of Shenmu City, the range almost doubled. If Modo was transferred there, the range would be no different from that of human archers.

If Sandro really crammed all these millions of corpse wizards into Shenmu City.

Xu Lai didn't know what other way to take over the city except to demolish it.

The undead's snowballing ability is the most powerful among the nine camps.

Judging from the current situation, it would be extremely unwise to defend Shenmu City and the Elf King's Court.

Regardless of anything else, Sandro only needs to mobilize the troops from the rear, and even if they don't fight back and let the elves chop them down, they will make sure their weapons are destroyed.

Therefore, it is not appropriate to fight a head-on battle with the undead.

These undead souls are like ten million piglets. Even if Xu Lai uses up all his physical strength, he won’t be able to kill much.

The only way Xu Lai could think of to win quickly was to capture the leader of the thief.

Without killing Sandro and destroying the two sets of artifacts, it would be impossible to kill all the undead.

But given the level of caution of the undead heroes, it is not an easy task to capture the thief and the leader.

At present, the only thing Xu Lai can be sure of is that the Undead Lord Sandro is determined to obtain the World Tree.

The road from Shenmu City to the Elf King's Court is not far, but it is extremely rugged.

After entering the Emerald Forest, it was not as difficult to move forward as in the previous forests.

This is already the territory of the World Tree. There is not a single weed or other tree here.

The trees here are all green and pillar-like, and they grow up to the sky.

The name of the Emerald Forest also comes from these green poles, which are the roots of the World Tree.

The Emerald Forest is a true one-tree forest.

With the cover of the World Tree, it would be easy for Xu Lai to set an ambush halfway.

But he couldn't be sure that Sandro would definitely walk on the ground. After all, he still had 100,000 bone dragons, so he might just fly over from the sky.

If there was any way to force Sandro to come out of the city and fight Xu Lai, that would be easy.

Unfortunately, Sandro is not a fool.

On the contrary, he is more cautious than any other undead hero.

Moreover, as an undead, there is nothing in this world that can compare to his rebirth.

Now that they were only one step away from the final goal, Xu Lai really couldn't think of any way to trick Sandro out.

Since there is no good solution for Sandro for the time being, we should hurry up and clean up Mordo.

In order to prevent Xu Lai and the human elite from going to support, Modo fought very hard.

But because of the reckless charge of these undead, many fragile elven rangers died, and even a few holy light knights were killed.

Under normal circumstances, it is difficult to kill the Holy Light Knights with physical attacks because they are protected by the ultimate defense technique and are good at defense.

The key is that there are too many corpse wizards on the other side, and Xu Lai only cleared out a small part of them with a forbidden spell.

This small half was soon filled up again, and endless clouds of death shot over. Even when the priests came to support, several knights were still sacrificed.

Fortunately, spell attacks like Death Cloud cannot destroy the body structure like physical attacks.

Therefore, under the resurrection magic of the Seraphim, humans and elves suffered almost no losses in the battle to defend the Tree City.

The undead suffered heavy casualties. Xu Lai's forbidden spells and the spells of druids such as Yin Mu alone killed nearly ten thousand undead.

However, compared with their spell output and physical output, it is nothing.

Thousands of high-level rangers with various advanced skills, plus thousands of holy knights with the power of holy light, and ancient tree spirits that can bind and attack multiple opponents at the same time.

The output of all these people combined is not as much as that of just a few hundred Seraphim.

The Seraphim opened the sacred flame and the flaming sword swept across the sky.

All the undead monsters passing by on the way, whether they are mid-level or high-level vampires, or ghosts with extremely strong resistance to physical attacks.

As long as they are touched by the flaming sword and the holy fire, they will be burned to ashes, without even leaving their corpses.

What the necromancers are best at is resurrecting corpses and repairing the undead.

But if there are no corpses, no matter how many undead wizards there are or how powerful they are, they will be of no use.

The key is that the number of undead wizards is not large. After all, they cannot be mass-produced like corpse wizards.

Mordo sent out the corpse wizards, the great corpse wizards, and even the precious corpse wizard king. He was not willing to send out any undead wizards of level 5 or 6.

In order to delay Xu Lai, Modo suffered heavy losses in this battle. There were almost 100,000 vampires who were turned into ashes.

Including the corpse witches, ghosts, plague zombies and abominations, the loss may be around 20. Moreover, in this battle, because there was no gain, not even a corpse was recovered, which was equivalent to a hard loss.

Therefore, after this battle, the morale of the elves was greatly boosted, especially the rangers, who completely wiped out their sluggish attitude before the war.

The so-called killing him while he is sick.

Before, it was Modo who dragged Xu Lai, preventing the battle from ending and the angels from leaving.

At this time, if Modo wanted to end the battle, he would not be able to do so.

Sandro and his Bone Dragon Legion have exposed their position. After leaving half of the royal griffins to Lena, Xu Lai has asked Ed, Silver Wing and other Pegasus Knights to lead the griffins to search from the sky.

Tracy and her rangers also went deep into the jungle as soon as the undead disappeared.

Even the ancient tree spirit who had completed building the city went into the jungle with a group of little tree people.

Of course, they didn't go too far, but took root around the Tree City.

However, after taking root, their roots can spread very far, and the area within a radius of dozens of meters is under their surveillance.

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If some small tree people are added in the middle, this group of ancient tree spirits can control the entire city within a radius of one kilometer.

They not only monitor movements within a radius of one kilometer, but can also provide support at any time for any activities within this radius.

As long as the roots of the ancient tree spirits can reach them, they can control the roots to control the enemy at any time.

Of course, if the distance is too far, you can't be indestructible and unrestrained like in close combat.

However, once ordinary undead are entangled by these roots, it is impossible to cut them off in a short period of time.

The elven warriors patrolling nearby, or the ancient tree spirit itself, can rush over or directly entangle the undead to death.

With the addition of these ancient tree spirits, in just two or three hours, not a single undead soul could be found near the Tree City.

Finally, Dur led the priests and, under the protection of the Holy Light Knights, carried out a purification campaign around the Tree City.

This land, which was occupied by the undead not long ago, returned to the hands of the elves again.

Yin Mu, who returned to Shenmu City, transferred a large number of elves and dwarves here on the first day, and planted many fruit tree species overnight.

Of course, the fruit trees planted by the elves cannot be harvested in 24 hours like grains.

But the elves have druids who have mastered a large number of life spells. Once they cast spells that promote growth, the harvest in a short period of time can be much higher than that of humans.

Of course, this is purely induced by magic and has no durability.

Moreover, in terms of yield, fruit trees can never compare with grains.

But no matter what, the elves have more living space.

Even if the worst case scenario happens and the World Tree is really taken away by Sandro, the elves can move out in this direction, right?

Since there is no confidence in defeating Sandro, at least clear a way out for the elves.

This is not because Xu Lai is being kind. It is true that if the elf can escape, it will be of great benefit to him.

The homeless elf could only rely on him, a relatively trustworthy ally, in the end.

Xu Lai, who had just captured the Western Empire, lacked a large population, whether for farming or fighting.

Elves, dwarves, and centaurs can fill this gap.

Therefore, this path is not only cleared for the elves, but also for Xu Lai himself.

His enthusiasm for hunting down Mordo is no less than that of the elves.

In order to prevent any accidents, he even personally participated in the pursuit under the protection of Roland, Giselle and Elvy.

As long as Xu Lai is nearby, even if he does nothing, he can provide hero bonuses to the Royal Griffin and the Elf Ranger.

Given the number of undead and the unfamiliarity of this jungle, it would be impossible for them to not leave any trace.

Although Mordo is cunning and cautious, the place where he stays is the territory of the elves after all.

In addition, the elves were losing ground, so the rangers did not dare to advance alone, so they could only kill some undead and necromancers on the periphery at most.

But they are different now. They only need to mark the locations where the undead are active, and they don’t have to worry about the cleanup work at all.

Whether it is the group of griffins in the sky or Xu Lai and others on the ground, they will rush over as quickly as possible to clean up these undead.

A great lich like Mordor would have to retreat to the back.

Otherwise, no matter how well they can hide their presence, as more and more undead are found and killed, they will eventually be exposed.

Modo also noticed this, and he kept retreating. Later, he led the remaining undead to hide in the undead city that was being built.

Modo retreated for quite a long distance, the nearest undead city was several hundred kilometers away.

At this distance, and in the jungle, even if it was the fastest flying vampire duke, it would take several hours to reach the front line.

This is assuming we don't get lost. If we turn in the wrong direction, we might end up wasting a whole day.

Hiding in the city, Modo finally felt a little safe.

As the Lich King, even if he ranked last among the four undead kings, he shouldn't be so cowardly.

The only thing to blame is the combination of Xu Lai and Seraphim, they are just too strong.

Earlier, Modo saw that Xu Lai was so reckless and tried to ambush him.

However, he didn't expect that the Dread Knights that Mordo left behind to ambush Xu Lai, as well as the Undead Wizards who controlled the Dread Knights, were all killed in one encounter.

In order to better ambush Xu Lai, Modo deliberately cleaned up the battlefield and cleared the surrounding area so that the Dread Knight could charge better.

In order to lure away the angels guarding Xu Lai, Modo also specially sent a descending hero.

He tricked the undead hero there at the cost of 20 skull dragons.

Unfortunately, the capital he invested was too small. The 20 skull dragons didn't run far before they were all killed by Elvy and Seraphim.

As for the team of Dread Knights who were lying in ambush, they launched a charge.

But as soon as Roland's holy armor appeared, it was chopped down by the evil angel who could teleport.

Angel Alliance, with the God of War statue plus god-level offensive skills and the high-level 9th ​​level, unless Rodhart's personal guard knight comes, it may be possible to withstand two swords.

Anyway, Modo, who observed this scene through the Eye of the Ghost, packed up his things and ran away without saying a word.

The slow-moving undead were simply left to Xu Lai and the elves.

But Xu Lai was not afraid that Modo would run away, what he was afraid of was that he didn't know where Modo was.

After knowing that Modo was hiding in the nearest undead city, Xu Lai immediately changed his route without saying anything. (End of this chapter)