"How about we go to the third floor and take a look? Since we can't think of any other way to open this door right now, it would be a waste of time for us to stay here. Why not go up and take a look first?"
Gu Shi raised his head and looked at the two of them, seeking their opinions with his eyes.
Zhang Nan quickly agreed, "I agree. Besides, we can't be sure whether the key is really in those people's hands, right? We have to find out their true strength."
Zhang Bei nodded, "Okay, let's go."
"As for the key, don't worry too much. I'm 80% sure they have it."
Before Zhang Nan could ask, Zhang Bei continued to explain, "I encountered them before when I was exploring the main building. The man with light blond hair among the three of them was showing off this.
From what he said, I think Fadi Hamid had entrusted him with something important before leaving, and had also instructed him to do something on time."
"Him again? Is he showing off?"
Zhang Nan frowned as he spoke. "The one I just mentioned who's about to break through to the seventh level is also him. His personality... doesn't seem like that of an ordinary guard. Is there something wrong here?"
Zhang Bei shook his head. "He's no ordinary guard. This blond man is most likely the younger brother of Odur Hamid's wife, so he holds a high position here."
"So that's how it is. No wonder he is so arrogant and totally ignores the other two people. It turns out that the three of them are actually a young master and two guards experiencing life together." Zhang Nan said with sudden enlightenment.
While talking quietly, the three of them quickly left the basement and walked up the stairs to the third floor.
Standing at the stairs, Zhang Nan volunteered, "You two wait here. I'll go over there and take a look. Three of us will make too big a mark."
Gu Shi had no objection. Zhang Nan was indeed the most suitable person among the three of them to do this. In order to make his actions smoother, Gu Shi even lent him his invisibility props.
Using the reflection of the glass on the picture frame, Zhang Nan watched himself disappear into thin air bit by bit. He said in a surprised tone, "Wow, this prop of yours is really useful. Where did you buy it? I'll go see if I can buy the same one someday."
Gu Shi spread his hands and said, "I didn't buy it. My teacher gave it to me."
As a master alchemist, Field would naturally not treat his only student badly in terms of alchemical props. Gu Shi’s space ring was filled with many gifts from him.
“What a pity.”
Zhang Nan sighed with some regret, then left quietly.
Gu Shi and Zhang Bei waited quietly there, both holding weapons and on full alert, ready to join the battle at any time.
But this time, luck favored them.
The two waited there for nearly ten minutes, but the third floor was still quiet and nothing happened, as if Zhang Nan had never been there.
Gu Shi raised his hand and touched the pocket watch hanging on his chest. There was no sound from it either, which meant that nothing had happened to Zhang Nan so far.
At this moment, a familiar voice came to Gu Shi's ears.
"Don't worry, I'm fine. We've got the stuff, let's go down quickly now."
It was Zhang Nan's voice.
Gu Shi and Zhang Bei looked at each other, and quickly returned to the basement along the same route they came.
Returning to the familiar gate, Zhang Nan returned the props he had just borrowed to Gu Shi, then took out something that looked like a seal with his right hand and shook it in front of them.
With a smile on his face, he said in a relaxed tone, "I didn't expect things to go so smoothly. It's really all thanks to that arrogant young master."
Zhang Bei urged, "We'll discuss these details later. Open the door quickly."
Zhang Nan took the seal, put the wider end on the keyhole of the door, and then pressed it hard.
Then, this key, which didn't look like a key at all, clicked and successfully opened the door.
Zhang Nan exerted a little force, pushed the door open a crack, and was the first to walk in, followed closely by Gu Shi and Zhang Bei.
The space behind the door was equally spacious, but unlike outside, there were far fewer cells here, and the few rows that existed were built against the wall, not stacked up like outside, taking up most of the space.
There is a large area in the middle of the place, with several long tables placed on them, and a lot of scattered things piled on the tables in a disorderly manner.
Gu Shi glanced over and saw all kinds of magic plants, magic crystals, magic beast materials, ores, etc., all placed on it casually.
Many tools were still half-used and had not been put away yet, as if the owners of these things would be back soon.
Looking further ahead, passing through these cells and tables, there was a space deliberately separated in the distance. Gu Shi immediately noticed the patterns deliberately drawn on the ground over there.
Gu Shi quickly recalled the incomplete pattern he had drawn in his notebook before. Sure enough, most of it corresponded to this magic circle.
It seems that this basement and the tower outside should be similar things, but the materials required for the two are slightly different - one is for ordinary people, and the other is for professionals.
Gu Shi's attention swept over these things, and then quickly focused on the surrounding cells on both sides.
The same went for Zhang Nan and Zhang Bei. After confirming that there was no danger here for the time being, they quickly began searching for the missing persons in the cell.
During the search, Gu Shi noticed that although the people imprisoned here were using the same set of restraints as those outside, they all had a red ring on their right wrists.
The material of this ring looks like some kind of jade, and it is not clear what its function is yet.
One, two, three...
There were not as many people imprisoned here as outside. With the division of labor and cooperation among Gu Shi and the other three, the last five people on the missing list were quickly found.
Looking at the cell door that was exactly the same as the one outside, Zhang Nan took out the key ring and tried it, and opened the door easily.
After entering the cell, Zhang Nan skillfully freed the sleeping person inside from the heavy chains. Then he half-hugged the person in his arms and began to ponder the red ring on the person's hand.
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