"Is it a dead end?" asked Allen.

"No," replied Galen, who was at the front, "there is an iron gate blocking the road." ”

"Iron Gate?" Alan was interested, striding forward.

The hole in front of it is much wider than before, about three meters high and more than two meters wide. Alan walked to the front, and sure enough, he saw two black iron doors blocking the way, and these two iron doors were tightly connected to the hole in the ground, leaving no gaps.

Alan stepped forward and touched the iron door, it felt cold and hard to the touch.

"This can't be ferro-tungsten, right?" Alan sighed as he touched the jet-black iron door, "It's too extravagant to cast an iron door with tungsten iron, right?"

Ferro-tungsten is one of the hardest types of steel ever found on the continent, and is both hard and tough, and is often used in the heart of some of the most advanced magical machines.

The reason why Alan said that casting iron doors with tungsten iron is extravagant because the price of a kilogram of iron tungsten on the market is as high as hundreds of gold coins! It doesn't seem expensive, but you have to consider the weight of these two doors.

These two doors weigh at least a thousand kilograms, and if it is really ferro-tungsten, it is more than 100,000 gold coins!

More than 100,000 gold coins are enough to expand the scale of Huaxia Territory several times, enough for Alan to summon several more heroes, and even enough for Alan to open the second subsidiary element of the most lord system!

However, here, they are just two ordinary iron gates! Now Alan has an urge to tear down these two iron doors and bring them back!

No wonder people say that the ruins of the dungeon are full of gold, and they don't deceive me!

"How can there be an iron gate here, is it left over from the previous underworld?" Alan wondered.

"Of course, there could be anyone else who left an iron gate here?" Lucius looked at Alan with his beard rubbing his beard, looking like you kid was really nonsense.

Alan scratched his head: "The iron door is not locked, see if you can open it." ”

Alan pushed the iron door a few times, but did not move.

"Galen, you're coming!" Alan gave up, Lux is a magician, Yasuo is agile, and when it comes to strength, Galen is the biggest here.

The power of Demacia!

"I'll try. ”

Galen walked to the door, put his hands on the iron door, bent his legs, and pushed with all his might.

"Hah!"

Galen used almost all his strength, and under Galen's push, the iron door made a few 'creaking' sounds. Obviously, Galen did a better job than Allen, but he still couldn't open these two iron doors.

"Hoo ......"

"No, I can't push it at all. Galen exhaled.

"Could it be that it was locked from the other side," said Lux, "the person who built this door may have lived on the other side of the cave before, and because he didn't want to be disturbed, he built this iron door and locked it from the other side." ”

"This explanation is reasonable," said Allen, "and the iron door will not be opened, or we will find a way to get on the rocks of the cave wall." ”

"The frame of the iron gate is embedded in the surrounding rocks, and if we break these rocks, not the entire iron gate can be taken!"

The more Alan talked, the more excited he became, thinking to himself that I was a real genius! Since there is no way to do the iron door, let's do something to the rocks around me, this is called the bottom of the kettle!

Lucius tapped his hand on the rock wall around him, "It's diamond, are you sure you want to attack the rock?"

"How can it be diamond rock!" Alan exclaimed, "In the main cave before, the rock wall was just a mixture of ordinary underground rock and soil!"

Alan said as he felt towards the surrounding rock walls, and after entering this cave, he really hadn't looked closely at the rock walls around him.

As a result, the hard touch made him believe that the rock wall of this cave was really made of diamond!

And it's a whole piece of diamond!

"Nima, we're so unlucky!" Alan couldn't help but explode.

Asteel is of little value because it is too hard to work with. Of course, a legendary powerhouse may be able to, but what legendary powerhouse would be bored enough to work with stone?

But it is undeniable that it is very rare! I can just pick a hole and escape into it, and I can just pick a rock wall composed of gold and steel, isn't it bad luck?

"I don't think it's your bad luck, it's that you're too lucky," Lucius stroked his beard and said with a smile: "Whether it's the crystal wall or these two tungsten iron gates, it indicates one thing, that is, behind these two doors, there is a big secret." ”

"If you can figure out a way through these two doors, you might be rewarded in an unexpected way. ”

"But what is the way to get through these two doors?" Alan thought, frowning.

"Why don't you help me?" Alan looked at Lucius pitifully.

From the contact with Allen in the past few days, it has been seen that Lucius is definitely a strong man, although he doesn't know his specific level, but he will definitely not be weak.

"Remembering to beg me, old man?" Lucius laughed, "For the sake of your meticulous care of me and Belle along the way, I'll help you once." ”

"But only once, and then it's up to you. ”

"Thank you, old!" said Ellen.

Since Lucius promised to help, it proves that he is sure that he can do it!

Lucius walked slowly to the iron door, put his right hand on the door on the right, and suddenly threw out his strength.

"Boom!"

With a loud bang, two doors slammed open, slamming against the rock wall behind them.

This scene, not only Allen, but even Yasuo, who had a cold expression all day long, and Galen, who had a straight face, were dumbfounded.

Galen, an iron gate that even a sixth-level warrior couldn't push, Lucius actually shook it open with one hand, how strong does he have to be? Tenth, eleven, or even twelve?

While Alan was stunned, his eyes began to shine when he looked at Lucius, he must leave this old man in the territory! With him, unless the legendary powerhouse attacks, who would dare to be presumptuous in the Huaxia territory?

Several people walked through the iron door, and sure enough, they found that there was a device similar to a door lock behind the iron door, but it had been shattered by Lucius at this time.

"Old man Lucius, can you help me get these two doors down from the rock wall?" said Alan as he walked over to Lucius, his face full of flattery.

In Allen's eyes, these two doors were glittering gold coins, and he certainly didn't want to give them up.

Lucius gave him a blank look: "Do you want to figure it out yourself." ”

Alan scratched his head, and said in his heart, if I have a way, do I still need to beg your old man!

"Old man, how many levels of martial artist are you, eleventh or twelfth, won't you be a thirteenth-level legendary powerhouse?"

"Hmph!" Lucius raised his head: "What a legendary powerhouse, the old man is a god-level powerhouse!"

Levels 13 to 15 are legendary powerhouses, and levels 16 to 18 are gods!

It is rumored that the sun god and the goddess Noi are only seventeen, and the only eighteenth-level existence among the gods is the god of destruction, Kirios.

Alan pursed his lips, he still likes to brag at such an old age, god level? You might as well simply say that you are a god! Even if it is the twelve heroes of the ancients, before entering the courtyard of the gods, the strength is said to be only the legendary peak of the fifteenth level.

Legend has it that after the twelve heroes of the ancients entered the courtyard of the gods, although they awakened the sleeping god of destruction, Kyrios, several of them also obtained the inheritance of other gods and advanced to the god level, but the authenticity of the legend is impossible to verify.

"Since you can't take these two doors away, let's find a way to temporarily seal these two doors, so that the giant claw demon rat behind you won't catch up. ”

Alan looked at these two tungsten iron gates and said very regretfully, this is 100,000 gold coins!

Galen and Yasuo closed the two doors, and Eren took out a table-sized stone from the spatial ring and blocked it behind the door.

After blocking the stone, Alan clapped his hands and smiled: "With the strength and IQ of the giant claw demon rat, it shouldn't be able to break through these two iron doors." ”

When he turned around, he found that everyone was staring at him with a strange gaze.

"What's wrong?" Alan asked curiously.

"Hee-hee, Lord Lord," Lux laughed, "why did you put such a stone in the spatial ring?"

"Be prepared," Alan smiled, "You see if that's just the way it works." ”

Several people continued to walk along the hole in the ground, and after walking for a while, Alan wiped the sweat on his head and said, "Do you think that the temperature seems to be getting higher and higher?"

Galen, who was at the front, nodded: "The temperature is indeed rising. ”

The others were not as hot and sweaty as Allen because of their relatively high strength, but they all felt the temperature rise.

After turning a ninety-degree corner, Allen and the others finally walked out of the underground cave and entered a huge underground cave.

The solubility height is about twenty or thirty meters, the range is very large, and the east and west run through, and the edge cannot be seen at a glance. There is an underground river in the cave, and the water is very hot and constantly steaming.

"It's strange that the river here is hot. ”

Belle ran to the underground river and stared at the river in amazement.

Allen, however, knew that because of the relatively high temperature underground, it was not surprising that this phenomenon sometimes occurred.

"Let's walk along the direction of the river, it's been sealed with iron gates, maybe there's something good. Alan said.

A few people walked all the way in the direction of the river, and after a few turns, the space suddenly became wider.

However, the sight that appeared in front of their eyes surprised them slightly.

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