Chapter 171: Underground floating island

　　 came to the vicinity of the relic portal several hundred meters deep underground. Through further sensing, Ying found that the location of the giant building that could be activated was still a certain distance away.
　　 is probably in the underground about a kilometer diagonally below the portal.
　　 If it hadn't been for this snail, it would be impossible for Sisterm to find such a building diagonally below the portal.
　　 And there is an excavator that can swim in the mud, and it won’t take much time for Systrom to reach the location of the underground building.
　　 More than ten hours later, Sisterm and other insects successfully came to the ground at a depth of one thousand meters.
　　 Accompanying the magic crystal used by the shadow to activate a blue crystal several meters in size, the earth trembled violently as if it were an earthquake...
　　 The huge blue crystal emits a faint blue fluorescence. At the same time, a blue light mask appears to block the outside world, completely isolating the soil from the building.
　　Sistem vaguely saw the gray bricks exposed on the ground after the soil was isolated, as well as the strange patterns on some stone bricks.
　　 In the shaking, Sisterm felt that the earth was slowly rising, and Sisterm gradually realized what the huge building activated by the shadows was.
　　 "Is it a building similar to a floating island!?"
Sisterm made a hoarse voice, but just after his words, the giant blue crystal suddenly extinguished like an unstable energy. The blue light shield that protected and isolated several insects also disappeared. At the same time, the earth’s The tremor stopped, and the worms like Systrom were buried in the falling mud.
　　 It may be that the remaining energy of the floating island is insufficient, or it may be due to other reasons. The floating building just floated a few tens of centimeters and then stopped, and did not rise from the ground to the sky.
　　 However, not activating the floating island is in line with the low-key development direction of Systrom.
　　If this floating island really flies, Sisterm doesn't know how to deal with this floating island-like structure.
　　 After all, the floating island is too high-profile, and it is easy to cause unnecessary trouble.
　　 a few hours later.
　　 After the excavator digs hard, Sisterm and other bugs finally returned to the ground.
　　 Because the soil near the swamp is generally wet and loose, the tremor of the floating island a few hours ago did not cause much change on the ground.
　　 Some cracks and irregular uplifts on the ground are not very obvious, and in large swamp areas, no changes are observed.
　　 By observing the cracks and uplifts on the surrounding ground, Sisterm learned that the building raised underground is probably a circular building with a diameter of about one kilometer.
　　 And this short "earthquake" did not arouse the attention of creatures in the abyss.
　　 Several magical creatures in other territories within more than a thousand meters are still acting as usual in the territory.
　　 A few giant snakes and large toads, or patrolling the territory, or resting, there is no change.
In order to prevent the abyssal creatures from competing for territory and causing possible troubles, after discovering that the magical creatures of the abyss had territorial awareness, Systrom did not drive out the nearby magical creatures, but only asked the shadow to attack the surrounding magical creatures from time to time. Observed.
　　 But after hearing the snail's description of Moned's swamp, Sisterm felt that it would be nothing to clean up the magic properly.
　　 Of course, all of this is based on the premise that the snail did not deceive him. As for the truth of the snail's words, Systrom will have to investigate for a while.
　　……
　　 Although this deep underground building similar to a floating island lacks energy and cannot fly, there must be something hidden in the building on the floating island, and perhaps there are some buildings and other things.
　　 After simple thinking and planning, Systrom suspended the excavator's construction of the underground nest and let the excavator excavate the floating island underground.
　　 If this underground floating island has many valuable buildings, Systrom would not mind taking this underground floating island as the center and transforming it into his underground city pool in the abyss.
　　……
　　……
　　 The excavation of the underground floating island by the excavator immediately began work after Sisterm gave instructions.
　　 In his spare time cultivating the Nest of Demon Insects, Sistrom also pays attention to the excavator's underground exploration.
　　 After more than ten days of excavation, the excavator did not disappoint Systrom. It found a building corridor buried in gray stone bricks, and it also found two strange spherical halls in the corridor.
　　 It's a pity that there is nothing in these two halls except the gray stone bricks.
　　Except for Sisterm, the most concerned about underground architecture is undoubtedly Butterfly Aura.
　　 In recent days, Aura has been in a daze with the large crystal a few meters high in the ground. This lazy butterfly is uncharacteristically, and will often urge the excavator when it is digging.
　　The reason is not that Aura has some own ambitions for the floating island, but Aura feels that there must be a treasure house in this underground building.
　　 In Ola's words, she felt the call from the treasure.
　　Dragon-like beings are born with an extraordinary passion for treasures. Perhaps Aura has some feelings for treasures in the dark, and Sisterm does not care about this.
In addition to researching the Devil’s Nest from time to time, and occasionally receiving abyssal summons from different planes, Sisterm is waiting for the ant people to return from the demiplane, and listening to the Snail Jie while waiting. Flattery.
Sisterm really likes to listen to the flattery of snails. Although most of the snails’ words are a bit exaggerated, Sisterm sounds very comfortable~EbookFREE.me~ But Sisterm always carries snails and is not In order to let the snail flatter him, he asked some questions that he had asked the snail, and compared the image data in the [Tools Menu] to see if the snail was lying.
　　 Although more than ten days have passed, Systrom still couldn't fully believe in this snail.
　　 He wanted to kill this snail and solve this unstable factor.
　　 But the lizardmen tribe controlled by this snail still has a lot of useful value. If this snail is killed in this way, it will undoubtedly lose control of the lizardmen tribe.
After more than ten days, Sisterm has come into contact with a lizardman and has confirmed the authenticity of the snail’s words from the performance of the lizardman. Jace the snail has indeed used its hallucination ability to brainwash a mentally retarded man. Lizardman tribe.
　　The lizardmen in this lizardmen tribe, in addition to the remaining two magical lizardmen, most of the lizardmen also have the bloodline of thunder and lightning and have the ability to generate electricity.
　　……
　　 After some consideration, Systrom finally decided to keep the snail by his side and continue to observe for a while.
　　 Time just passed by a little bit, and it took more than ten days to pass, and the many ant people of Sisterm finally came to the abyss from the semi-plane...
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