But here, at the end of the Eastern Han dynasty, the technology for steel smelting was still in its infancy. Refined Steel represented the pinnacle of metallurgical craftsmanship at that time. Even the local aristocrats could only afford to use it sparingly for forging weapons. As for a peasant household like the Zhao Family, even if they turned their entire village upside down, they wouldn't find a single scrap of Refined Steel. Its value was comparable to that of gold, both in price and rarity.
To think that such a precious material was used to forge a door was simply wasteful! Zhao An shook his head in lament. "I spoke too soon. I have seen Refined Steel before, but compared to what I have seen previously, the material of this door is significantly superior."
Zhao Yun gasped sharply. Fortunately, there was no concern about greenhouse effects here. Is this what immortals are like? Everything they casually possess is a rare treasure in the mortal world.
The astonishment of Zhao An and Zhao Yun lingered for a while. After all, they had encountered Revival Elixirs before; a door made of Refined Steel seemed just about right to them. "Alright, let’s be serious. We are about to meet the Immortal Sir," Zhao An said as he patted Zhao Yun on the shoulder.
Zhao Yun nodded repeatedly, quickly suppressing his astonishment. Although the door had no locks, Zhao An did not recklessly push it open. Instead, he respectfully knocked on the door.
Knock, knock, knock.
In fact, if they had attempted to open it recklessly, they would have found that the iron door was completely immovable. In games, such doors were almost defenseless and could be pushed open with ease. However, once they entered the real world, it seemed as if the door had acquired a mysterious locking mechanism.
Yun Xiao Yi provided a personalized lock setting feature. Only by entering the correct password could the door be opened. If the password was entered incorrectly, the door would remain shut, and forcing it open was impossible unless one resorted to specific methods to dismantle it directly. Of course, this lock was designed to keep outsiders out; for Yun Xiao Yi, who was Steve, there was no need for a password—he could open and close it at will.
Just as he was filling a bucket with water for a small pond, a knocking sound came from the door.
"Is the master in? I am Zhao An, here to apologize on behalf of Zhao Yun."
Yun Xiao Yi walked to the door. Just as he was about to open it, he suddenly remembered the lock function he had set up and decided to take this opportunity to test its effectiveness.
"Wait a moment, try pushing the door to see if it opens."
Zhao An and Zhao Yun exchanged puzzled glances but followed his instructions. They pushed against the door, but it remained completely unmoved.
"Divine Lord, it won’t budge."
Yun Xiao Yi nodded with slight satisfaction and continued instructing from behind the door, "Try hitting it with force to see if you can force it open."
"Isn’t that a bit inappropriate?" Zhao An hesitated.
"Don’t worry; this is exactly what I want to test. Even if it breaks, I won’t hold you responsible."
Zhao An glanced at Zhao Yun and said, "Go! How can I let my old body experience this?"
Zhao Yun forced a smile, took a few steps back, and then charged at the door with lightning speed.
With a tremendous crash that echoed through the surroundings, the iron door stood firm without a scratch.
Yun Xiao Yi stood behind the door, secretly admiring its sturdiness.
"Alright, you both hit the door three times and shout 'Xiao Ai! Xiao Ai!', then try opening it."
"What does that mean?"
Despite their puzzled expressions, they complied with his instructions.
"Bang! Bang! Bang! Xiao Ai! Xiao Ai! Open up!"
With a click, a narrow gap appeared in the heavy door.
Seeing this, Zhao An and Zhao Yun wasted no time pushing the door open. They thought that Yun Xiao Yi had unlocked it from inside.
Yun Xiao Yi watched everything with a satisfied smile.
"Very good; this is indeed the voice recognition feature of the door. Remember this method; in the future, when I am not around, you can still use this door."
Zhao An cautiously touched his head and asked, "What do you mean, my lord?"
He had initially intended to say that it was just a voice-activated door, but considering his celestial image, Yun Xiao Yi decided to change his wording: "I have placed a Magic on the door, and only by mastering the correct secret can it be opened. What I just taught you is that secret."
Both Zhao An and Zhao Yun were astonished. "So the previous opening of the door was not your doing, my lord?"
Yun Xiao Yi laughed heartily and replied, "Of course it was not my doing. If you don't believe me, you can verify it again. This secret applies when leaving as well; just call out 'Xiao Ai' to open the door, and when closing it, simply say 'Xiao Ai' to close it."
As soon as these words were spoken, the people around widened their eyes in amazement. Although Zhao An maintained his composure, the younger Zhao Yun could hardly contain his excitement.
After receiving Yun Xiao Yi's approval, he quickly walked over to the iron door, adjusted his stance, and said, "Xiao Ai, close the door."
As soon as he finished speaking, the door that had just opened automatically closed itself.
"Xiao Ai, open the door."
The closed door immediately opened slightly again.
It was indeed true; this was truly astonishing! Zhao Yun was eager for more and was about to try a few more times when he felt a sharp gaze behind him.
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