Xiao Chen put his hands behind his back and looked up, the clouds here were very low, and he was only about two hundred meters away from the ground, and he said to the others: "This is the trial level that the king said, this city wall completely blocks the canyon.

According to the king, this is a strange world, there is turbulence in the clouds above with spatial rifts, and it is very dangerous to fly up, so the levels cannot be crossed, and can only be broken through one level. Each level will have different trial questions each time. No one ever knows what the theme of the next trial will be. It is only through trials that this door will be opened. Xiao Chen explained to Farrell and several other great forgers.

"In other words, we forgers need to pass the trial before the team can move forward, right?" said Farrell.

"That's right. And our task is to always be aware of our surroundings and see if the false gods will appear here. Xiao Chen said.

"What if it doesn't dare show up when it sees us?" Farrell asked.

"Then we'll take the Tower of Forges. Xiao Chen glanced at the two Great Forging Masters of the Fire Crystal Clan and said, "But I don't think it will let go of this opportunity." ”

"Then I still hope it shows up. This thing is a threat to the entire Dwarven Kingdom. Although I now belong to the Tower of China, this is my hometown after all. Farrell said.

"I'll do my best. Xiao Chen nodded, and said to Luo Ling and many other masters behind him: "Let's get ready for battle, let our spirit servants come out first." Don't be caught off guard when you get it. ”

Farrell came to the door with Muchia and other great forges. Immediately there was a voice around the gate, and they couldn't tell where the sound came from, but they felt that the man seemed to be close to their ears: "Trialists, here you have to think of the first puzzle, there is a stone slab in the gate, when the slate is opened, you will see a keyhole, you need to use the tools next to the stone slab to create a key within an hour, and then open this lock." If you don't make this key within the allotted time. Or if you are not able to unlock the lock after inserting the key, then you will have to withdraw from this trial. ”

The slate that the voice spoke of was less than two meters from the door. By the time the voice had finished speaking, the slate rumbled and moved from its original position to the side, revealing a small space behind it. There's a keyhole in there, and nothing else. And just above the slate, a line of magic text appeared, and it was a countdown, and the hour counted down from this point.

"Is it just like that? Isn't this something that a little thief can do?

"It's not going to be that simple. Don't you hear some strange noises here?" said Farrell, leaning closer to the keyhole to check, "Hell, the structure inside this lock is moving!"

Xiao Chen and the others had already summoned the spirit attendant at this time, and when he heard Farrell's voice, he asked the others to pay attention to the surrounding situation, and then walked to the keyhole with Luo Ling.

He and Luo Ling each released their spiritual power and began to explore the structure of the lock cylinder.

Xiao Chen fumbled for about a minute, and then said: "This lock cylinder is divided into five layers from the outside to the inside, just like five rings arranged one by one, they all rotate around the central axis of the key, but the speed is different, you have to make the key into a certain shape, and then calculate the speed of the five lock cylinders, at a certain moment, insert the key at a very fast speed, in order to jam the five lock cylinders at the same time, and then open the door." ”

Middleros, another great forger of the Fire Crystal family, asked, "We just need to observe the shape of the notch in each layer, and then insert the keys into it layer by layer, fixing one lock cylinder at a time, can't we do it?"

Xiao Chen waved his hand and said, "No, no, it's far from that simple, I observed the structure other than the lock cylinder." These five cylinders must be kept rotating or not moving at the same time, once some of the cylinders are moving, and some of the cylinders are not moving, the lock's self-destruct mechanism will be activated, and then a high amount of hot magical energy will be generated inside. Melt the cylinder completely, and then the trial will fail. ”

"It's crazy! How could such a thing be done?" said Lascano.

"This is a test set by the ancient sages, pay attention to the tone of your voice. Farrell said.

Rascano was stunned for a moment, then said, "Anyway, it's still too difficult!"

Even Murcia said: "I think it's very difficult to make something like this, just predicting the trajectory of the lock cylinder is a big problem." ”

Xiao Chen said: "My spiritual power can help you probe the size and structure of each keyhole, and then project it." You just have to follow this projection mold to make it. Then Luo Ling will help you calculate the speed at which they run and get the same time for the five cores. Finally, it's up to an agile guru like Evelyn to put in the key. You should be able to pass the level. What do you think?"

Farrell shook his head slowly, "This is a trial given to the forging master by the dwarven ancestors. Although with your method you can solve it very simply. But in this holy land of my predecessors, I still want to use our way to get by. My seniors were able to pass this level, and there is no reason why we are being held back here. Don't worry, my sons can be on their own, and Murcia is very talented, and these problems are not difficult for us. ”

"yes. Chairman Sieau. Dad was right, we can do it. It's not for nothing that I learned so many math classes in the Tower of China, and my brother is very good at calculus, and he can calculate the rotational speed as well. Farrell's eldest son said.

"That's right. ”

Xiao Chen felt a very resolute attitude from Farrell and his son, and he realized that this was not only to complete a task to break through, but also to these dwarven forgers, it was also their inheritance and honor. ”

"Xiao Chen. Please let us complete our own trials. Farrell said solemnly.

"Okay, I agree. Xiao Chen nodded.

Farrell immediately got to work, he asked his eldest son to use a small wire to reach into the keyhole to measure the structure inside, he held a board on the side, sketched the structure of the keyhole, and his younger son was observing the speed of the keyhole, calculating the overlapping time of the five keyholes. As for Musia and the other three great blacksmiths, they were assigned to go to the tool area on the side, light a fire to strike iron, and prepare for forging.

"Are you thinking of being presumptuous, in case they ......," Umedada asked.

"Not really. Xiao Chen smiled and said, "If they say so, I don't trust them, how can I still be called a companion?"

"At least they're on the right path now. Luo Ling said.

"Even we can't guarantee that we will pass every trial. Everyone makes mistakes. Xiao Chen patted the thick city wall in front of him and said with a smile: "But even if we fail, we still have cannons." ”

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