In this mysterious underground kingdom, there are three treasures: Gusyasdisen, Toraksh Swamp Sea, Withered Hills and Cold Iron Mine Road, quietly telling their legends.

  Although Jialan has not set foot in these areas in person, through the delicate description of Elder Blood Mane, he seems to be in that deep underground world.

  Toraksh Swamp Sea and Withered Hills are like the mud and desolation left by Mother Earth. The former is hidden in the underground cave and is muddy.

  The latter is connected to the Torak Swamp in the outside world, and the swamp is everywhere.

  The Cold Iron Mine Road is an underground vein that was dug like a spider web at the beginning of the construction of the Dragon Worship Temple.

  In this mine, there is a rare secret metal "cold iron", which is not only extremely sharp, but also has the power of freezing and amazing toughness.

  In the world of arcane metals, although cold iron is not as noble as fine gold and mithril, it is comparable to metals such as burning iron.

  Although cold iron veins are rare, traces of them can occasionally be found in some mines as deep as 500 meters.

  However, this metal hidden deep underground is extremely strange and difficult to melt with ordinary flames. It can only be refined by the low-temperature forging method mastered by the alchemy laboratory.

  Like all arcane metals, conventional smelting methods are futile for them and may even destroy their materials. Only secret techniques or arcane methods can give them new life.

  However, in this underground kingdom, there are amazing cold iron veins, and the near-earth dwarves are the top craftsmen who handle these metals.

  Jia Lan once marveled at the metal cage made of pure cold iron in the Rat Cage Hall. Now thinking about it, this is probably the masterpiece of the ancestors of the Uga dwarves who participated in the construction of the Dragon Worship Temple.

  In Bloodmane Village, Jia Lan discovered that the armor worn by the dwarves, the hammers they used, and even the pickaxes and iron chisels in their hands were all made of cold iron. If this happened in the outside world, it would undoubtedly cause a crazy fight.

  However, although cold iron is precious, it also has its limitations.

  Pure cold iron is soft in texture and not suitable for making slashing weapons.

  But its natural sharpness makes it an excellent material for making piercing weapons such as arrows.

  However, the value of cold iron is equivalent to the same weight of gold. Who would be willing to use such expensive arrows to fight?

  The dwarves are indeed natural casting masters. Their understanding of the properties of metals is almost instinctive. Their big hammers and rough armor seem bulky, but they are just right for the powerful dwarves.

  The cold attribute armor protects them from high temperatures and allows them to work in front of the furnace for a long time. The big hammer, as a weapon of blunt damage, avoids the weakness of soft texture.

  Adding one-tenth of cold iron to a weapon is enough to improve its quality to an excellent level. However, in this underground world, cold iron is used to make rat cages, which is extremely luxurious.

  But then again, it is not the fault of the residents here, because they only have cold iron ore!

  Jia Lan couldn't help but sigh: 8 million gold talans to buy the ownership of the Doom Castle is really worth it. The cold iron ore produced alone is valuable enough, and in the hands of Jia Lan, a spellcaster, the role of cold iron is far more than the weapons and equipment in the hands of blacksmiths.

  "The central area you mentioned can lead to the underground forest at a lower level?" Jia Lan asked uncertainly after hearing the news revealed by Elder Blood Mane.

  Originally thought that this was the bottom of the underground world, but unexpectedly, there was a passage leading to a deeper depth in the central area. If this continues, they may be able to directly enter the range of the dark area!

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  Elder Bloodmane nodded and said, "Yes, in fact, the forest we are in is just a small forest derived from the real 'Gusyasdi Forest' below."

  Jia Lan was speechless.

  According to Elder Bloodmane, the "Dusk Ramp" near the central area is the only way to enter the lower level.

  In other directions, there are cliffs hundreds of meters deep! The largest clan of the Uga near-ground dwarves, Liemang Village, is built on the top of the Dusk Ramp and has built a checkpoint to prevent dangerous creatures in Gusyasdisen from invading the upper level.

  "Dangerous creatures?" Jia Lan's face suddenly became solemn when he heard this: "What is hidden underneath?"

  Elder Bloodmane looked at Jia Lan with a hint of surprise in his eyes, as if wondering why this "saint" of the Dragon Worship Cult knew nothing about the situation in the Holy Land.

  But Elder Bloodmane immediately explained: "Dragon! Gusyasdisen is the ranch where the Holy Land used to raise dragons!"

  Jia Lan couldn't help but take a breath when he heard this.

  A ranch where dragons are raised?

  Could it be that dragons can be tamed?

  However, Jia Lan quickly came to his senses.

  In the language of the pre-civilized Khorvaire continent, the word "dragon" has multiple meanings. Depending on the syllables, suffixes, and object-predicate quantifiers, it can refer to a variety of creatures such as "real dragons, sub-dragons, dragon-like creatures, pseudo-dragons, dragon descendants, and dragon beasts".

  In the language of the underground dwarves, "dragon" refers specifically to a certain type of dragon.

  Due to the changes in the times and the different contexts, Jia Lan could not tell which kind of "dragon" Elder Bloodmane was talking about.

  Jia Lan knew that the "dragons" described in folk adventure novels were very different from real dragons.

  Most of the "dragons" that appeared in front of ordinary people were just in name only.

  As for the stories of those brave knights who bravely broke into the dragon's cave to rescue the princess, it was even more absurd.

  Real dragons, even the weakest species, are by no means a match for human power.

  Going alone to rescue the princess?

  That's simply courting death!

  However, in this ruin of the Dragon Worship Cult, Jia Lan did not dare to take it lightly. Who knows if those ancient Dragon Worship Cultists have mastered some mysterious means to communicate with dragons?

  Of course, Jia Lan can be sure that the so-called "Dragon Ranch" does not raise "real dragons".

  Because the proud real dragons cannot be tamed, and of course they cannot be any powerful dragon species. Even the weakest dragon species cannot be stopped by hundreds of dwarves.

  What's more, according to Elder Bloodmane, there are not only one or two dragons in the Dragon Ranch, but a large number of "dragon groups".

  Jia Lan knows very well that dragons are solitary creatures. They need a vast territory as a hunting ground. Even if they meet, they may fight. How can they come in groups?

  No matter how large the area of ??Gusyasdi Sen is, it is impossible to accommodate so many dragons.

  In this barren underground world, what can be used to feed these behemoths? Do dragons eat grass?

  "There are currently about a dozen species of dragons in the lower layer of Gusiasdi Forest, but the number is not large. The largest group has only a dozen or so..." Elder Bloodmane continued, "The Fierymane Clan guards the Dusk Slope mainly to defend the 'Dragon Spiritual Light Array'. The dragons dare not force their way into the slope."

  "What the Liezong Clan is really defending is the 'Withered Thorn Tree Man' derived from the 'Gusyas Vampire Owl Tree' in the lower layer of Gusyas Forest! In addition, there are some strange animals and plants in the lower layer. Once they invade the upper layer, they will directly threaten our living environment!"

  "'Gusyas Vampire Owl Tree'? 'Withered Thorn Tree Man'?" Jia Lan's face changed suddenly when he heard this. He had never heard of these two terms.

  But Jia Lan knew something about the "Owl Tree". This carnivorous plant is known as the "Tree of Death".

  If there is such a tree in the forest, it can almost be concluded that there will be no survivors here.

  The curse, illusion and other abilities of the "Owl Tree" itself are not terrible. The most terrible thing is that it can transform the intelligent creatures that are seduced and devoured by it into its own wooden puppets to serve and fight for itself!

  Of course, this is only the ability of the "Owl Wood" that Jia Lan knows, and this secret plant called "Gusyas Vampire Owl Wood" by Elder Blood Mane has obviously mutated and is completely different from what he knows!

  According to Elder Blood Mane, this Owl Wood was first planted by the Dragon Worship Saint thousands of years ago to imprison a vampire demon.

  However, as time went by, the vampire demon imprisoned in the Owl Wood gradually woke up, and instead devoured the Owl Wood, turning into this terrible "Vampire Owl Wood".

  Fortunately, the ban set by the Dragon Worship Saint is still in effect. The Vampire Owl Wood cannot leave the seal and can only rely on controlling the wooden puppet to try to break free from the seal, which allows Gusyas Disen to maintain the status quo!

  However, the situation has been getting worse and worse.

  Over the years, the number of those stupid dog-headed people and goblins controlled by the Vampire Owl Wood has increased, and they even dare to hunt dragons for them to suck.

  This made the power of the Vampire Owl stronger and stronger, and gradually showed signs of breaking free from the seal.

  Fortunately, the powerful dragon group destroyed a large number of withered thorn tree people controlled by the Vampire Owl, and the Vampire Owl also hunted a large number of dragons.

  This kept the power of both sides in a delicate balance, which allowed the four major tribes in this underground world to survive.