"One, two, three......"

When Liu Yifan swept over the keys, he silently counted them by the way, and finally the number stayed at sixteen.

"En, sixteen?" Liu Yifan felt that he should have counted wrong.

When he was in school, he hated math class the most, and he dozed off when he looked at those numbers, which led to always hovering on the edge of the passing line during exams.

Liu Yifan, who was still young at the time, thought that when he grew up, he would open a clinic for insomnia or something, without taking medicine, just using those mathematical formulas, math problems and the like, so that many people would fall asleep after not being able to do a few things.

In this nasty mood, Liu Yifan has always been very insensitive to numbers, and later he didn't use numbers for work, even if he did, he just took out his mobile phone and turned on the calculator to calculate.

No matter how you say it, Liu Yifan has also gone through nine years of compulsory education, and the arithmetic of this level of nine times two equals eighteen will still be done.

Liu Yifan counted again, this time he counted very slowly and attentively, everyone has four keys around their necks, which adds up to sixteen, which means that the keys on these four people are only eight!

"Well, what about another handful?"

For the sake of safety, Liu Yifan swept over the necks of the four people again, and made sure that he really didn't miss it, so he began to look for it in other places on the four people.

But when the four of them walked away surrounded by dozens of disciples, Liu Yifan still didn't find the location of the ninth key.

"Was it someone else's possession, or did the Seven Holy Sect only take eight keys from Icehell City? or...... These nine floors and nine doors can actually be opened with only eight keys?"

Liu Yifan thought that the first layer and the second layer are estimated to be not much different, and it is not impossible to be lazy and use it.

It's just that most likely, Liu Yifan thinks it's still the first one he thinks of, there is a key in the hands of others.

As for which door it is, Liu Yifan doesn't need to guess to be sure that it is on the ninth floor.

Now that the masters of the various sects in the Central Plains have been arrested, if the ninth layer is really imprisoned by these people, there is no need to open it.

In order to prevent someone from getting the key to open the door and release the heads of the various factions, it makes sense that the key to the ninth layer will be kept separately by someone and a place, at least if Liu Yifan stays here, he will definitely do it.

He might even have changed the key from two to four, leaving it to four separate people, so that it would be even more foolproof.

"Fortunately, it's just that the key to the ninth layer has been specially arranged, with Wen Ji's martial arts, she will definitely not be locked up on that floor, I don't have to worry about anything. ”

When Liu Yifan thought so, Zhang Ning was a little flustered.

She had already guessed about the number of keys, and she was not surprised to see that they were indeed divided into so many.

But Zhang Ning thought that those keys would be placed in her arms or on her waist or something, so that as long as she could know which one and which together were the keys to open the ninth layer of iron doors, she would be able to find a way to steal them.

But now, she never expected that those keys would be hung directly around her neck by the four Dharma Protectors!

She counted the hanging keys I don't know how many times, sixteen, sixteen, or sixteen!

What does this mean, Zhang Ning also knew very well in her heart, she originally wanted to rely on Wei Zhongdao to figure out which key could open the door of the ninth floor, but this time she saved this trouble.

The only thing that needs to be known now is in whose hands is the key, is it the other five Dharma protectors, or the left and right envoys of the Holy Sect?

In addition to these two possibilities, Zhang Ning didn't think that such an important key would be placed in the hands of other people, but it was safest to be kept separately by the left and right envoys.

"Dharma protector and left and right messengers......" A bitterness rose in Zhang Ning's heart.

The former is okay to say, if it is the latter, the right envoy of the Holy Sect, Zuo Ci, she heard that it is in Puyang City, as for the left envoy of the Holy Sect, it is said that he has always been elusive, and no one has ever known the trace of that person.

If the other party is the person she speculated to be good at disguise, this is a needle in the bottom of the sea.

Originally, her expectations for Wei Zhongdao had almost dissipated at this moment, where could a mere hall master ask the whereabouts of a Holy Sect Left Envoy?

Liu Yifan and Zhang Ning had their own ideas in their hearts, and the two of them returned to the inn without saying a word, avoiding the patrolling disciples of the Seven Saints Sect.

On the way back, the two of them also met several waves of people dressed in nocturnal clothes, and they were about to go to the Ice Purgatory to investigate.

Liu Yifan didn't know what those people would see, he had gained a lot from his trip tonight, he just wanted to see the terrain and the situation of the garrison, but he inadvertently knew about the key, and let him know that stealing the key to save people would not work.

Outside the window of the inn, Liu Yifan glanced at the corner of the window, where there was a small piece of wood sandwiched there before he left.

The wood chips were so small that they would fall as long as someone pushed the window in, and even if the sound of the wood chips and rubble touching them alerted the person who entered, it was useless to design a small trick here.

The window is so big, unless it is the person who put the wood chips, otherwise no one can know where the wood chips were put first, so as long as the position of the wood chips is not right, or simply there is no more, it means that someone has entered.

Now the position of the wood chips has not changed, Liu Yifan knew that no one entered through the window, but he still carefully opened the window to confirm that there was really no situation inside, and this was the one who got into the room with Zhang Ning.

As soon as he entered the house, Liu Yifan walked quickly to the door and looked at a small note that he had pasted on the door before leaving.

Seeing that the note was still intact, it was not re-pasted by anyone, and now Liu Yifan was completely convinced that no one had entered this room during the time that he and Zhang Ning had left, that is, no one knew that they had left the house or not.

If someone has come in, then his current identity is likely to be suspected, in that case, he can't live here anymore, and even the current appearance must be changed quickly, not to mention that there will be a Seven Holy Sect to hunt down, there are a lot of troubles.

Fortunately, there were none of these, Liu Yifan breathed a sigh of relief, and felt a wave of tiredness coming.

In the past few days, I haven't rested well in order to hurry, I walked all day during the day, and at night I went to the cold ice purgatory with a tense spirit, and I was really tired.

As soon as she turned her head and wanted to beckon Zhang Ning to rest quickly, she saw that she had already taken off the night clothes she was wearing just now, and was standing by the window looking up at the sky, and Liu Yifan was a little confused from that side of her face.

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