The adventurer team in the territory of the realm of the undead, as long as you see that the other party lacks scout professionals and has more than one healer, it is not 100% certain, but seventy or eighty percent of them are likely to be spies disguised as Diya.

Of course, now that this tactic has been exposed, it is rarely used by human countries anymore, and the way they send spies has become more secretive, but the country of the undead has a tendency to be bitten by snakes for ten years and afraid of the well rope, and when they see the human adventurer team, they all think that the other party is a spy of the human countries.

In order to avoid unnecessary trouble, the adventurer team must not be without scout professionals, and the race should not be human.

Although Chen Yue and the others were able to continue to lie that the Scout Professionals had died in previous battles, and they continued to search for suitable squad members, if a Scout Professionals joined their Adventurer Troop, the camouflage effect would be even better.

The succubus and Chen Yue have a contract, and the other party is also disguised as a demon by Cameron, and it is almost impossible for the adventurer team with the demon to be a spy of the human countries, which will greatly facilitate Chen Yue and them to walk in the realm of the undead.

The demons are one of the few races that associate with the realm of the undead, and their predecessors were some half-demons with demonic blood.

In the Black Iron Age of the Demon Invasion, a large number of races were captured by promiscuous demons**, and in just a hundred years, a large number of half-demons with demonic blood were born, and most of these half-demons were used as cannon fodder by demons, and they were constantly consumed in the battle with the gods.

In order to prevent the demons from occupying the main plane, and finally win the war, the gods began to fight against the half-demons regardless of their previous suspicions, and it happened that a person who was lucky enough to become a god also appeared inside the half-demons, in order to get rid of the control of the demons, the gods of the half-demons hit it off with the gods, and immediately began to secretly plan the counter-attack of the half-demons.

Finally, in a great battle, the alliance of the gods was beaten back and retreated, and at this time they activated this chess piece.

With the help of the gods, the demi-demons finally defected from the demons at the cost of great casualties, and the battle was finally won by the gods alliance.

Following the undead, the half-demons also joined the alliance of the gods, they called themselves demons, and under the leadership of their demon gods, they fought demons to the end again and again, which made them win the respect of other races and proved their existence worth.

The rebellion of the half-demons intensified the contradictions between the Abyss Lords, many of whom were already in a hostile relationship in the Abyss, and were able to attack the main plane together only in the resources that were not available in the Abyss and the souls of intelligent beings.

Not all Abyss Lords have participated in the war against the main plane, many Abyss Lords are watching this war in the Abyss, once the army of demon lords has suffered heavy losses, then they don't mind annexing the territories of these demon lords.

Compared to the environment in the main plane, the abyss is undoubtedly more suitable for the life of demons, and if it weren't for the large number of souls, the demon lords would not have had a thankless fight across the plane.

The most important war was lost, resulting in many Demon Lords suffering heavy losses, and they were forced to return to the Abyss to garrison their territory in order to prevent the lair in the Abyss from being overrun by rival demons.

There were many contradictions between the demon lords, which gave the gods a chance to breathe.

Seizing on the feud between the demon lords, the gods organized a decapitation operation to kill the demon king Rakozmo at the cost of the fall of an ancient god of great divine power.

This directly led to the fact that none of the remaining demon lords had enough strength and prestige, none of them obeyed anyone, and began their own journey, and the scattered demons could not gather an overwhelming army, although their number was still far greater than that of the gods alliance, but until the plane barrier was repaired, the demon lords did not capture the main plane.

Some greedy demon lords even missed the time to return to the abyss, after the plane barrier was repaired, they were in a very awkward position, neither advancing nor retreating, they could only be constantly eaten away by the alliance of the gods, and finally could only lurk in the main plane.

The hidden demons have a greater threat, and the alliance of the gods does not know how many times they have organized a clean-up operation, but there are still many fish that have been caught in the net hidden in the continent, and from time to time there are some earth-shattering tragedies, which has directly spawned a profession that is no less than the number of adventurers: the witcher.

Demon hunters are a general term for those who specialize in dealing with demons or monster professionals, and they sometimes take on the task of hunting demons, which can be said to be the most troublesome enemies of demons.

The demons who judged the demons were not recognized by the races led by humans, but their merits were also indelible, and the demons hidden in the continent at that time were still raging, and the humans couldn't take a step out to deal with the mongrel demons they thought they had, relying on the efforts of the demon gods, they were finally allowed to live in the main plane.

It can be said that it was the victory of the turning point war, and the sacrifices in the subsequent battles, that allowed the demons to win their current status, but because of the weakness of the demon god system, they were squeezed out to the northernmost Forgotten Island of the main plane.

It is an island similar to Iceland on Earth, full of volcanoes and glaciers, with extremely harsh climatic conditions, scarce arable land, and only a few months of the year when crops can be grown.

The strong vitality of the demons allowed them to take root on the Forgotten Island, and there are more harsh environments in the abyss than the Forgotten Island, and the demons with demonic blood slowly adapted to the environment on the Forgotten Island, and began to transform the Forgotten Island little by little.

During this period, countless demons were frozen to death and starved to death, but they worked hard to have their own country, their own territory, and future generations not to be looked down upon and scolded by other races on the continent as demon-blood mongrels.

Relying on tenacious willpower, the demons finally became the masters of the Forgotten Island, and established an unprecedentedly powerful demon empire.

The realm of the undead reached out to the demons when they were in the most crisis, supporting a large amount of food they didn't need, and they just wanted to invest in the demons at the beginning, after all, both sides were brothers and sisters, and they were in a position where everyone shouted on the mainland, but they didn't expect this move to give them a most hardcore ally.

Now the powerful alliance between the Demon Empire and the Undead Realm has led to the human kingdoms having to enlist the dwarves and elves to form a new alliance. They also regret it now, it stands to reason that the demons who have a part of their bloodline are more likely to be co-opted by them, but they missed this ally because of their arrogance, and let the undead realm pick up a big bargain in vain.