On both sides of the bottomless rift, two broken iron chain bridges were hanging, and the years had left mottled rust on them.

  On the other side of the rift, there was a vast underground world hidden.

  Standing beside the rift, feeling the rising air and humid air coming out from the ground, Jia Lan and his party finally found the source of the "fire" and "human voice" that the thieves had detected before.

  Across the rift, they saw a settlement of underground creatures, where lights flickered and the dim firelight reflected a noisy scene.

  In the blurred firelight, two groups of underground creatures whose faces could not be seen seemed to be in conflict.

  "What are those over there..."

  Hugo stood on tiptoe and tried to look across the rift valley. With a strange expression on his face, he pointed to the hazy shadow on the other side and said, "If I'm not mistaken, that's a tree, right?"

  Carter nodded with his superior eyesight, "Yes, it's a tree."

  Hugo was puzzled: "But this is hundreds of meters underground. There is no sunlight. How do trees grow?"

  Carter rolled his eyes helplessly: "How do I know!"

  The seemingly nonsensical conversation between the two was also a puzzle in the hearts of others. Although trees are not rare, how do they grow deep underground?

  Although this tens of meters wide rift valley is unfathomable, the underground creatures on the other side seem unable to cross over and threaten the ruins of the Dragon Worship Temple, which has become Jia Lan's property, but they cannot be careless.

  After all, they searched the ruins and found no trace of the escaped flying head barbarian.

  Undead vampires like flying head barbarians are not naturally produced, but reproduce through infection.

  Therefore, there must be a "source".

  And the flying head barbarians who were seriously injured by the mercenaries and struggled to "return to the nest" were not "residents" of this dragon worship ruins, but flew over from the opposite side of the underground rift!

  Even Jia Lan was amazed at the twists and turns of this ruins exploration.

  From the castle dungeon to the underground rift, the area of ??this underground ruins has exceeded everyone's imagination.

  This is no longer a ruins, but a complete underground city!

  Although the cost of purchasing the Doom Castle is not cheap, compared with the 100,000 ping (about 330,000 square meters) castle complex of the Doom Castle and the more than 12 million ping (about 40 square kilometers) of land attached to the surrounding area, the price of 8 million Jintalan can only be regarded as a great value for money in the economic environment and consumption level of this era.

  However, no one expected that there was such a huge underground city hidden under the Castle of Doom.

  It was like buying a cabbage and the seller gave it a farm. Even Kenmet and others were jealous of Jia Lan's good luck.

  However, if you want to renovate this underground city, the cost will probably be more than ten times or a hundred times that of buying the Castle of Doom.

  But in any case, this underground city ruins already belonged to Jia Lan, but how could he tolerate others sleeping soundly next to his territory.

  Therefore, after careful observation for a while, it was found that the underground creatures on the other side of the Great Rift were not very dangerous, and the mercenaries began to prepare to cross the Great Rift.

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  The mercenary group with magicians in charge obviously has an advantage in dealing with this problem.

  A wind magician flew across the rift with a rope and tied it to the root of a big tree on the opposite bank.

  Then, under the control of an intermediate earth magician, a large mass of soil surged, attached to the rock wall of the rift layer by layer, gradually climbed up the rope and extended to the opposite bank, and finally formed a mud arch bridge!

  When the mud arch bridge with a bridge deck of about two meters wide was formed, several junior earth magicians took over the intermediate earth magicians who consumed a lot of magic power and began to release "mud reinforcement" on the mud arch bridge to make it stronger.

  Although this mud arch bridge cannot be compared with a stone bridge, it is not a big deal to use it in a short time.

  In order not to put too much pressure on the mud arch bridge, the group carefully divided into groups of five to cross the bridge and quickly completed the flight.

  When crossing the arch bridge, Jia Lan looked at the rifts on both sides for a long time, and wondered in his heart whether this place was located on the same underground abyss as the Rock Bridge Hall behind the secret door to the south of the circular hall!

  After passing through the low, twisted, and leafless strange forest, the crowd lurked outside the range of the torches held by the two gangs of underground creatures who were fighting and observed for a long time, but was surprised to find that it was the dwarves and the lizardmen who were confronting each other.

  Although racial integration has become a trend in the current era of city-state politics, there are few tribes of dwarves and lizardmen in the South Continent where Zilargo County is located.

  Therefore, these two races are considered minorities in the Kolanbang area.

  Lizardmen, especially them, prefer humid rainforests, wetlands and swamps. It is rare to see their traces in Zilargo County, but their habitats can be found in the Torako Swamp and Kara Rainforest in Dagon County.

  However, in any case, these two races seem to belong to the surface races. Why did they appear in this mysterious underground is puzzling.

  The mercenaries in the dark, with their eyes wide open and gleaming, stared at Jia Lan, waiting for him to make a decision, should he help the dwarves or the lizardmen?

  But Jia Lan squinted his eyes, staring at the chaotic battlefield, and remained silent.

  This group of mercenaries living in the Apocalypse Era knew nothing about the Underdark, and naively thought that the dwarves and lizardmen who were fighting were both surface races. They even tended to help the dwarves because humans and dwarves had a good relationship.

  However, for Jia Lan, who had lived in the pre-civilization dawn era, it was easy to distinguish the true identities of the two races from some of their characteristics.

  The ones who were fighting were indeed the dwarves and lizardmen, but one of them was the "underground dwarves" and the other was the "ground lizards"!

  Just like the large number of humans, who were divided into many ethnic groups due to nationality, region, skin color, race and other factors, each race also had a large number of subspecies.

  For example, the "dwarves" that the Kenmet people believe in usually refer to the "hill dwarves" who have the most contact with humans and whose living areas overlap. In addition, there are also "lowland dwarves", "mountain dwarves", and so on, different dwarf ethnic groups living on the surface world.

  Underground, the close relatives of the "lowland dwarves" live, the "underground dwarves". What they are seeing now are the "near-ground dwarves" among the "underground dwarves".

  There are many ethnic groups of dwarves, and it is difficult to clearly classify them according to human habits.

  Like dwarves, there are also many types of lizardmen. The most common ones on the surface are rainforest lizardmen, wetland lizardmen, swamp lizardmen, or collectively referred to as "land lizards". The less common ones are "sea lizards", but they all belong to the "scaleless lizardmen".

  These are another branch of the lizardmen living underground, the "ground lizards". Due to some subtle differences, they can be divided into "hunting lizards", "iguanas", "war lizards", etc. Although they still belong to the "scaleless lizardmen", they basically have no great blood relationship with the "land lizardmen".

  As for the distant relatives of the "scaleless lizardmen", the "scaled lizardmen", because the blood relationship is too distant, we will not mention it for the time being, and only talk about the "hunting lizards" among these "ground lizards".

  Just like darkness repels light and the undead hate living creatures, these races that live underground and are regarded as "dark creatures" by humans naturally repel surface creatures and are far less kind than the mercenaries imagine.

  Therefore, Jia Lan believes that it is best not to help either side and wait until both sides are defeated before going out to clean up the situation.

  However, the situation is never as good as imagined. These lizard hunters with extremely keen sense of smell soon noticed the presence of outsiders and actually separated a group of warriors and rushed towards the low woods where they were hiding!

  Jia Lan shrugged helplessly. Now they don't have to choose who to help.

  Since entering the ruins of the Dragon Worship Cult, they have encountered all silver-level magic beasts "Dark Magic Rats" and even golden skeletons that are stronger than most mercenaries.

  The mercenaries, who have long been a little excited, did not even need the leader's order, and they drew their weapons and rushed out one by one.