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"Okay, very good, I'll do as you say!" Taoist Qi Ji listened quietly to Lu Xuan's explanation and couldn't help but clapped his hands. ..

In fact, Lu Xuan's method was really simple. After listening to it, Master Qiji realized that he had ignored the simplest thing.

The method is to eliminate everything they can think of, and what is left is almost the thing they can't remember.

Judging from the memory of Lu Xuan and Taoist Qiji, they can almost reach the point of photographic memory. So the thing that I can't remember is basically the key to the door.

"Stone walls, puppets, passage floors, these are all common things since we entered the passage. The shape does not match the keyhole. I can think of it, so I can rule it out." Lu Xuan said, picking up the keyhole in his hand. The blood-red dagger wrote these on the black stone door, and then drew a big cross with force to indicate that these things had been eliminated.

Taoist Qi Ji nodded, and then began to say: "Except for the special refining method, there is nothing special about each oil lamp, and if you think about it, it won't be."

Lu Xuan also smiled in agreement, and then wrote the word "oil lamp", and then continued to draw a cross.

"The things in the three passages are basically the same, and they are almost the ones we just said to exclude. So what else have we missed?" Lu Xuan looked at a few words written on the black stone door. , couldn't help but frowned and thought deeply.

Taoist Qi Ji kept touching his forehead at the side, lowering his head for a while and saying nothing, and then shaking his head. It was obvious that he thought of something, but he immediately dismissed it.

Since entering the passage, Lu Xuan has sorted through everything he saw and heard over and over again in his mind, trying to find the special place in it.

But no matter how he turned over his past memories, he always felt that nothing was missing. The memory in his mind could be said to be able to retell all the experiences completely and clearly.

"What exactly is missing?" Lu Xuan struggled to think of an answer and began to look around, hoping to find something inspiring.

The surrounding stone walls all have the same appearance, gray and black without any special light. The ground is also a passage made of piles, and the oil lamp is still burning quietly.

"Huh? That's it?" Suddenly, Lu Xuan noticed an item lying in the corner, which gave him a special feeling.

Lu Xuan walked over, picked up the thing on the ground, and observed it carefully in his hand. It was bladed on both sides, with one side having a sharp tip and the other side having an obvious cross section.

"This must be part of the puppet's weapon that you destroyed just now." Taoist Taoist Master Qi Ji couldn't help but say when he saw Lu Xuan holding the broken blade and lowering his head without saying a word.

However, when Taoist Qiji finished speaking, Lu Xuan and Taoist Qiji both felt a sense of enlightenment in their hearts.

"Yes, that's the hilt!" With this thought in their minds, the two people looked at the broken sword in the puppet's hand. Sure enough, the hilt of the broken sword was exactly the same shape as the keyhole.

Lu Xuan and Taoist Master Qi Ji were overjoyed. The key they had been looking for turned out to be not far from their feet.

The two couldn't help but look at each other, with a rather uncomfortable feeling on their faces.

However, just when they looked away from the hilt of the broken sword, something seemed to float away quietly in their memory.

"Hey, I seemed to suddenly remember something just now, but why don't I remember it now?" Taoist Qi Ji looked at Lu Xuan who was looking at him and said with some doubts.

"I feel the same way. What's going on?" Lu Xuan nodded and agreed with Taoist Qiji's statement.

This feeling is like suddenly remembering something you want to know and then forgetting it in the blink of an eye.

"What exactly was forgotten in the blink of an eye?" Taoist Qi Ji frowned and said, this feeling made him very unhappy, as if his memory was suddenly taken away.

"It's a very strange feeling. Logically speaking, it shouldn't be like this." Lu Xuan was also confused at this time. He picked up the thing in his hand and patted it lightly while thinking.

"Hey, what is that in your hand?" At this moment, Taoist Master Qi Ji noticed the broken sword in Lu Xuan's hand and couldn't help but ask.

"What's in my hand?" Lu Xuan looked down in confusion, and was suddenly stunned as if struck by lightning.

It seemed that just now he and Taoist Qiji had discussed the broken sword, and then discovered that the key was the hilt of the broken sword, but as soon as they looked at the hilt of the broken sword, they all forgot about it.

"Sure enough, the hilt of the broken sword was tampered with!" Taoist Qiji immediately remembered what happened before when he saw the broken sword in Lu Xuan's hand.

Apparently the God Emperor cast a spell on the hilt of the broken sword. As long as you look away at the hilt and then look away, a small section of memory will be cleared.

And this small piece of memory that has been cleared is extremely small, so it is not easy to detect at all.

This spell should only exist on the hilt of the sword, or the position of the hilt should be the core area of ​​the spell. The entire long sword has spells, but after Lu Xuan cut the long sword, the broken part Zhijianjian broke away from the contact, so that they were not affected.

Fortunately, Lu Xuan always held the tip of the sword in his hand, so they could constantly remember through association that the hilt was the key!

"Senior, what do you think we should do now?" After Lu Xuan knew the power of the sword hilt, he no longer looked at the sword hilt, but looked at Taoist Qiji and said.

"Although this spell is small and has no offensive power, it is extremely powerful. Even I can't find a way to break it." Taoist Qi Ji shook his head slightly.

"We can't just be trapped here, right? We have to find a way!" Lu Xuan said with a wry smile. At this point, if word spread that they were trapped by a small spell, it would make people laugh. .

"That's right. Although the God Emperor's spells are powerful, no spell is unsolvable." Taoist Qi Ji nodded and agreed with Lu Xuan's statement. He was not willing to give up just like this.

The two of them had the same idea in their minds. How could they be willing to end it like this without unraveling the true secret of the God Emperor?

"Judging from the test just now, if we don't look at the hilt, we won't be affected. In this case, it's better if we don't look at it." Lu Xuan looked at the broken sword in his hand and thought for a while, then said arrive.

"It's okay not to look at it, but the key is that we still have to get it. If it were normal times, we could still use our mental power to identify the location, but the God Emperor has already dealt with the puppet, leaving us with no mental power. There is no way to detect it, but if you don't look, you won't even be able to tell where it is." After listening to Lu Xuan's method, Taoist Master Qi Ji talked about the difficulties he was about to face.

Lu Xuan knew that what Taoist Master Qi Ji said was true. He didn't know what method the Emperor used to detect it with their mental power. There was a blank space in front of them. Whether it was the corpse of the puppet or the black stone door, they could not detect it at all.

And if you look at it, your eyes will definitely come into contact with the hilt of the sword. Even if you look at it from the corner of your eye, you will still be affected by the God Emperor's magic after the test just now.

"In that case, let's try this method!" Lu Xuan said, taking off his coat, and then threw it towards the puppet's body.

Lu Xuan threw the coat forcefully, and quickly unfolded it in the wind. The entire coat was stretched by the wind, and then slowly fell on the puppet man. Part of the puppet man's body was covered under the coat, and the hilt of the sword was right here. in.

"Hey, it really works!" Taoist Qi Ji tried to look at the position of the coat. Since the hilt of the sword was covered by the coat, although he was looking at the position of the hilt, what he saw was the coat.

Without the influence of the sword hilt technique, Taoist Master Qi Ji laughed, stepped to the puppet man's position, and then grabbed the hilt of the sword with his coat.

However, at this moment, Master Qi Ji's body suddenly stagnated, and then he turned to Lu Xuan and said, "Lu Xuan, why are you still standing there? Why don't you quickly find the key!"

"..."

Hearing this, Lu Xuan couldn't help but feel speechless. It turns out that touching the hilt of the sword like this would also be affected.

This shows how powerful the God Emperor's magic is!

"Senior, do you know the Pure Heart Curse?" Lu Xuan couldn't help but ask, looking at Taoist Master Ji who was still looking for the sword hilt in his hand.

"What's the trick? How could I not know such a simple mental method as the Pure Heart Mantra?" Taoist Qi Ji couldn't help but curled his lips. Although he was confused, he still answered Lu Xuan's question in the affirmative.

"In that case, I'll ask you, senior, to recite the Heart-Cleaning Mantra for a while, then let your whole body become empty, think of yourself as a blank piece of paper, and just listen to my command in everything." Lu Xuan smiled slightly, and then continued to speak slowly, " After I successfully open the door to the passage, I will explain all this to Senior."

"Okay, I want to see what tricks your kid can do!" Taoist Qi Ji thought for a while, and then agreed to Lu Xuan's request.

Soon, Taoist Qi Ji's eyes became blank, and he stood there as stupidly as a piece of wood.

When Lu Xuan saw this, he knew that Taoist Qiji had completely emptied his body, and it was time for him to take action.

"Grab what you have in your hand, then move forward, and then stop when you hear me say stop!" Lu Xuan thought for a moment, and then began to give orders.

As soon as Lu Xuan finished speaking, Master Qi Ji began to walk forward step by step.

"It really works!" Looking at Taoist Qi Ji's actions, Lu Xuan felt happy, knowing that success was not far away.

Soon, under the diligent command of Lu Xuan, Taoist Master Qi Ji successfully put the key into the hole of the black door.

"Very good, next, twist it!" Lu Xuan's expression remained unchanged as he continued to give orders.

"Click!"

Under Lu Xuan's command, Master Qiji turned the key, and soon heard a crisp sound, as if a certain mechanism had been successfully touched.