Chapter 380: Former master

　　 In the past year, although the main task was to build a city, Roy occasionally sent people to explore the ground.
As everyone estimated, due to the existence of demon worms, the underground world here has been dug so that it can be described as riddled with holes. Numerous caves and tunnels in the deep underground are staggered and formed into a nest of ants. There is also a complicated traffic network.
　　 In Roy's words, this is a huge underground maze.
Before, Roy used the eyes of the demon he created to enter the ground to explore, but he did not expect that even he himself was lost. There was no light at all in the dim underground world, so he should explore a few more places. Roy himself lost his sense of direction. He didn't know where he was. As a last resort, he could only send people to explore.
A total of four waves of lower-level demons have been sent out, but unfortunately, these lower-level demons were either eaten by demon worms or other underground creatures, or they were completely lost in the maze and couldn’t be found. The way back is now, and in the end Roy can only be summoned back. The entire exploration plan is surprisingly inefficient. So far, it has only explored about one kilometer below the ground.
　　 After successive setbacks in underground exploration, Roy could only put the matter on hold for the time being, but after Frostfire City was roughly completed some time ago, this matter was put on the agenda again.
No way, after this year of exploration, Roy discovered that the surface of this fragmented world is too barren. The extremely cold climate has caused no living things to survive on the surface. Even some frost monsters are not seen, and they are occasionally detected. Some mineral veins, but these veins are all lean minerals without exception, and traces of long-distance excavated can be seen.
　　 This also makes Roy wonder whether this fragmented world has had other owners before...
If you want to excavate these veins, you need to dig a thick layer of ice, and these excavated ice layers will re-freeze after a while, which is extremely troublesome and the collection efficiency is very low. Give up and turn his eyes to the ground.
　　 The good news is that Roy has the giant demon worm Da Hei in his hand. Although this mutated demon worm cannot speak, it has high intelligence. Some simple communication can be communicated with it.
Bainiya has been communicating with Dahei since this time, and has conducted certain training on it. The goal is to at least let Dahei understand her requirements and be able to navigate her underground world. Now that Baini Ya asked Julie to inform herself, which meant that progress had been made.
　　 So Roy and Julie left the Demon Hall and flew in the direction of the crater.
In the ground at the foot of the volcano, a very huge cave was dug out. By the side of the cave, Bainia had already been waiting here. Not far behind her, there was a pile of... Poo-like big black.
And Fat Tiger, this silly guy, was lying next to Da Hei at this time, and from time to time it would straighten up and stretch out its paws to touch Da Hei, as if he wanted Da Hei to play with him, but he was finally caught by Bainia. After two reprimands, he slumped down again.
　　 This picture made Roy a little unbearable to look directly at him. After he fell, he tried his best not to look at Fat Tiger’s aggrieved little eyes, and asked Bainia: "Is this going to go down in person?"
　　 "Hmm!" Bainia raised her wings and floated, came over and hugged Roy's arm and said, "Now Da Hei can basically understand my instructions, so I think I can go down and take a look."
"That's OK, let's go!" Roy nodded and said, "Julie, you stay on it, I will leave the devil's eye to you, if I have anything, I will contact you, and you will look fatter by the way. Tiger guy."
　　 Julie nodded and said, "Okay."
Baania put her right hand in her mouth and whistled towards Da Hei, Da Hei’s huge body slowly bends down, Roy and Baania jumped gently, jumped to its head, and waited. After sitting down, Bainia patted Da Hei's hard skin, and Da Hei plunged into the huge cave.
Roy only felt that the sight in front of him was suddenly black, and he had already entered the ground with Da Hei. This cave was originally dug out by Da Hei, so it looked very huge, even if he was sitting on Da He’s head, away from the cave. There are also tens of centimeters at the top. Big Black is carrying Roy and Bainia, leaning all the way down. At this time, Roy’s dark vision begins to work, and it gradually becomes possible in the ground without light. See things.
On the way, Roy saw a large number of bifurcations flashing away. Needless to say, those are underground passages dug by the demon worms. He doesn’t know where they lead, and some passages are still flowing with magma. It seems It was the demonic worms who dug through the volcano wall and caused the magma to flow out.
"This passage we walked should be one of the passages that Dahei had dug before!" Bainia said to Roy next to him: "These demon worms have a keen sense of smell. The passages they have dug will leave their own Taste, help them to distinguish the direction. I originally wanted Da Hei to take us to find the veins that caused it to change, but this expression is too complicated and Da Hei can’t understand it, so I let it take us. Where it goes most often!"
　　 "Well, if Dahei mutated by swallowing ore, then the place of the vein must be where it goes most often!" Roy nodded.
Da Hei’s travel speed is not too fast, Roy can feel that it is not all the way down, but often bends around. It seems that the passages it used to excavate were basically dug at will. Now If you want to go back again, you can only follow these passages, otherwise, the passages dug by other demon worms are too small for it.
　　 But even so, Roy and the others fell about two kilometers in a short time. It is not clear how much Roy is. He only roughly estimated it through temperature changes.
Since there are volcanoes, it means that the veins of the volcano are connected to the magma layer under the ground. Generally speaking, magma is generally formed in the depths of the crust or in the upper mantle. This distance is about 30 to 50 kilometers from the surface. There is a large amount of high-temperature liquid filled here, that is magma. If the magma in the magma layer is connected to the volcanic channel, it will be transported to the upper part of the volcano under the squeeze of the geological plate. When the pressure is too great, volcanic eruptions will form, which is why volcanic activity is often accompanied by seismic activity.
Now Roy and the others are walking down, so the temperature they feel has not become lower, but has become hotter and hotter. This heat comes from the heat emitted by the magma layer, in a tunnel with no ventilation at all. It is extremely stuffy.
As Da Hei continued to deepen, the temperature in the air at this time had risen to about one hundred degrees. This temperature had exceeded the temperature of the Abyssal World. Even Bainia felt a little uncomfortable, so Roy imposes it on her A layer of ice armor was added to help her resist the heat.
　　 "How far is this guy going?" Bainia said in surprise: "The veins it feeds on are not in the magma layer, right? In that case, even if there is a mine, it will be difficult for us to mine!"
　　 Before Roy had time to speak, he suddenly saw a flashing object in a passage next to him. He was shocked and said quickly: "Stop! Stop! Bynea, let Da Hei stop!"
　　 Bainia didn't know what was going on, and quickly took out a few kicks to Da Hei, who got the signal, stopped running, and slowly stopped in the tunnel.
Roy did not wait for it to stop, spread its wings and flew back along the tunnel. Bainia followed him. Then she saw Roy suddenly stop at a fork in the road with a look of surprise. Looking at the fork in the road.
　　 "What's the matter?" Bainia chased up and asked Roy, but Roy did not answer, pointing to the side road to show her.
　　 By this look, Bainia was also extremely surprised, because she saw obvious traces of artifacts in this fork!
That is a broken wall, or it should be a part of a building. This thing is embedded in the rock wall of the tunnel, and a part of it is exposed. If it weren't for Roy's sharp eyes, it might be a sudden Just missed it.
　　 Flying over, Roy pulled the thing out of the rock wall and looked at the fragment carefully.
　　 "It's a demon creation!" Bynia said with certainty: "This style is very familiar, it should be... some kind of statue!"
"So, UU Reading www.uukanshu.com has really had demons in this fragmented world before!" Roy said: "It should be a demon lord, but he is different from us, he put the lair underground. !"
In fact, Roy was skeptical from the beginning. This fragmented world is a very suitable environment for the Frost Demon to settle. It makes no sense that no other Frost Demon has found this fragmented world for so many years, but Roy has all come to it. It has been here for more than a year, and I have never seen a demon stand up and say that Roy has invaded his territory.
　　 Contacting the previous Demon Lord Anivia said that someone was hunting the Frost Demon. Roy thought that even if this fragmented world had been occupied by other Frost Demon Lords before, it was probably hunted and killed.
But when he saw the fragment of the demon’s creation, Roy realized that he had completely guessed wrong. It was not a frost demon who occupied this fragmented world before. On the contrary, this former owner placed the lair very much. The hot underground world!
　　 "Will it be the demon lord of a certain worm-type demon?" Bainia apparently thought of this, and guessed: "In my mind, it seems that only the worm-type demon likes to place nests underground."
"If you look for it, do you know?" Roy Yang said with the fragment of the statue in Yang's hand: "However, even if it is really a worm-shaped demon lord, I think it is probably no longer there. , This thing looks very old, I don’t know how many years ago it was..."
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