Luo Ling, A Dan and the dwarf village chief were at the entrance of the ruins behind the mountain, waiting for the results of the search by others. This was already the third day of trying to open the gate of the ruins.
The entrance to the ruins is not far from the dwarf village, about 500 meters from the village into the mountains. The entrance is a round stone door embedded in the earth slope. The stone door is divided into two parts, and the gap in the middle is not very tight, about half a finger wide. You can feel the flow of wind when you get in front of it. According to the dwarf village chief, the evil spirit came out from this stone gap.
However, the dwarves tried many ways but failed to successfully open the stone door. According to their measurements, the stone door was more than one meter thick and extremely hard. Even if they used a fine steel chisel to knock on it for a long time, they could only get rid of a small amount of powder.
However, this time Adam brought the correct way to open the stone gate. As long as you find the four seals to open the door and use the fighting spirit inherited from the royal family of the Black Dragon Empire as a trigger, you can open the entrance to the ruins.
However, in the past three days, they have only found three of the seals, and the fourth one is nowhere to be found.
"We have searched everywhere in the mountains, but still haven't found the fourth one." Knight Matthew came back to report, "Unfortunately, the drawings recording the location of the seal were lost a few years ago."
"Search again and expand the range." Adam frowned and fiddled with the hilt of his sword.
Luo Ling consoled him, "The seal is always there, there's no way we can't find it. Besides, we just cleaned up the other seals with the help of the dwarves. As long as we can find the fourth seal today, it won't be a waste of time."
At this time, Ji Yijun and Chen Hansheng also came back. Ji Yijun sat on the ground and lamented, "Sister Luo Ling, I searched for two hours today and still couldn't find the seal. My clothes were torn in several places by tree branches."
"Okay, take a break and then continue. We are no longer ordinary people in terms of physical fitness. How can we be so tired?" Chen Hansheng patted him on the back.
"I am exhausted." Ji Yijun said, "Look at the ancients. They didn't have any rules for making seals. They put them in one place here and another place there. It's like a child's graffiti."
"Graffiti?" Luo Ling's eyes lit up. "Your words remind me that the location of the seal may not be a simple geometric shape. Maybe it's like a constellation, with several important points in the shape?"
"It's hard to say. Even if it's true, it's hard for us to judge. There's no commanding height nearby unless you climb up there." Ji Yijun pointed to the top of the mountain behind. "Even if that's the case, the view is not complete. Unless you fly up to the sky to see it. But in this cold winter, you won't freeze to death if you fly up there."
"I have a better idea." Luo Ling took out a space bag, fumbled inside for a while, and actually took out a drone.
"Sister Luo Ling! You actually have something like this!" Ji Yijun looked envious, and moved closer to touch it. This product of the industrial age awakened his memories of the old world. He said with nostalgia, "What a great thing! It makes me miss home again. I have two of these things at home."
Adam and the dwarf village chief also came over and wanted to take a closer look at this treasure. The drone was the size of a round shield, with a gray geometric body and black propellers, and it looked extremely delicate and mysterious.
"This creation is so beautiful." The dwarf village chief said, "We have never seen such a beautiful thing in the alchemy workshop and golem workshop of the Black Dragon Empire before."
"What is this thing?" Adam asked curiously.
"A magic item. Ji Yijun's words just now reminded me that maybe I can use it to find the last seal." Luo Ling continued to take out a small box with a groove, on which was a charger for the drone battery. Luo Ling took out another electric crystal and put it in the groove. The charging indicator light on the charger immediately lit up.
"This is quite cool, who could have come up with something like this? The current generated by the crystal can directly charge electrical appliances? Then why do we still have an electricity rationing system?" Ji Yijun squatted beside the drone and looked at the charger carefully. The workmanship was a bit crude, but the formation and crystal on it made this little gadget feel like a magic prop.
"It's not that simple. The current emitted by the crystal is a pulse current, so the equipment cannot use it. It must be converted into direct current. This small device has filtering and voltage transformation functions. The industrial group cannot produce substitutes for components like capacitors. We can only rob Peter to repair Paul, and there is no way to achieve mass production." After charging was completed, Luo Ling took out the remote control and a tablet for image transmission. After a few controls, the drone took off.
"There's no GPS here, Sister Luo Ling, are you using attitude mode? Would you like me to try it? I can fly manually."
"If you smash it, I won't forgive you." Luo Ling handed him the remote control, picked up the tablet herself, and asked Ji Yijun to adjust the flight attitude of the drone based on the position captured by the camera.
Ji Yijun followed the drone flying higher and higher, operating the remote control with great interest, saying, "Oh, anyway, this gives me hope. Our place is, to put it bluntly, an electrical civilization. With electricity, we have everything. When can the computer in my dormitory see the light of day again? My game is still waiting for me to play another round!"
Seeing that A Dan and the village chief were listening attentively, Chen Hansheng gently kicked him and said, "Stop talking nonsense and focus."
Adam and the village chief were all attracted by the buzzing flying thing. Adam saw a lot of new things in school, and although he was very surprised, he remained calm, but the dwarf village chief was different. He was scratching his head and couldn't suppress his curiosity.
The drone flew high and took a bird's-eye view photo. Luo Ling marked the locations of the seals one by one on the photo. After observing for a while, she asked A Dan, "Is there any particularly important pattern in the Black Dragon Empire?"
"Pattern? The emblem of the royal family is the golden-eyed black dragon. The emblem of the queens' families is the pure white feathered serpent, the emblem of the Royal Golem Master is the gear iron fist, and the flag of the Royal Knights is the black-scaled dragon claw..." Adam recalled one by one, "Do you think the seal can form a certain pattern?"
"We'll know after comparing." Luo Ling said.
Fortunately, there are always some items with these emblems in Adam's storage ring. Luo Ling compared them one by one. When she saw the emblem of the golem master, her eyes lit up: "Look, aren't the positions of the three small gears around this fist very similar to the seals we found? And the entrance is right here in the center of the fist. So, the fourth seal should be in this position."
"Sure enough, this is a secret base of golem makers. Because it is difficult to keep secrets in the royal capital, the empire's golem research has always been carried out in several secret bases. The workshop for making golems is near the imperial capital, but the place to activate the golems and give them intelligence is unknown." Adam said.
"Aren't you descendants of the royal family? How come you don't know these things?" Ji Yijun asked.
"The emperor's army was defeated outside the imperial capital at the time, and the emperor disappeared. My ancestor was just a young prince. The information he received about the inheritance was not detailed."
"Okay, let's see where the final seal is." Luo Ling compared the position of the last gear and drew a red circle on the photo with her finger. The circled area was in the center of the stream in the valley.
"No wonder we couldn't find it after all this time. The place we chose is too tricky! But, going down to the river in this weather will be tough for you." Ji Yijun looked at A Dan and smiled with glee.