In the underground auction, in order to avoid being hunted down, many existences will wear a mask that can isolate the investigation before entering, and Ye Wei is no exception.

For the sake of insurance, it even took out the thousand changes inexplicably from the big demon space and brought them up.

Thousands of changes are inexplicable, it is the reward for Ye Yu after completing some daily side quests, and the current big demon system, in addition to the main line and combat missions, must be completed by the system.

The other tasks were all chosen by Ye Wei himself, and after getting a thousand changes, even Ye Wei was a little surprised.

This mask was a little different from what he had gotten before, the mask he used before could only change his appearance, and once his aura was cultivated to a stronger existence than him, he could see it.

And the thousand changes are inexplicable, no matter what realm he exists, he can't see his appearance and breath, and he can change it arbitrarily.

So when he entered the auction house, Ye Wei did not use the masks they issued.

Moreover, this mask must be brought when entering the underground trading market, and a thousand demon crystals must be paid as an entrance fee, and a thousand demon realms here must be used as masks.

For some ordinary casual cultivators, two thousand Demon Realm is a very powerful number.

However, for Ye Yu and some of the big races, this was nothing at all.

As for Ye Wei, he only needs to auction one thing, and the value is far beyond this number, so he didn't care about this, even if he didn't ask for the mask, he still handed over another thousand demon crystals.

Entering the underground trading market, Ye Yu immediately felt that there were a lot of powerful divine senses sweeping over his body.

Those who can come here are all very powerful existences in the entire Mountain and Sea Demon Realm, and there will be no taboos at all.

If it was in Ye Wei's auction house, some weak people would not dare to use their divine sense to investigate, this is taboo in the mountain and sea demon realm, and using divine sense to investigate is tantamount to provocation.

Finding his place, Ye Yu sat there quietly, waiting for the auction to begin.

After almost a pillar of incense, a voice came from nowhere, and there was no light in the whole auction, and it was very dark.

"Everyone, now that all the invited demons have arrived, I announce the official start of the auction."

After the voice came from nowhere, he continued: "I think everyone understands the rules, so I won't say anything more, let's start the auction directly." ”

Then, under the gaze of Ye Wei and all the demons in the auction, a transparent spar appeared in front of Ye Wei's eyes.

In the entire auction house, the only thing that can be seen with the eyes is this one thing, the others are still in the dark, breathing heavily, and nothing else can be felt.

"I don't think I need to say anything more about this thing, I believe everyone knows about this thing, right?"

Ye Wei could clearly feel that when the first auction item came out, the rhythm of breathing was obviously speeding up.

This thing is the one that has only appeared a hundred times in the entire Mountain and Sea Demon Realm, and it is called Yuan Jing.

The source crystal, in the mountain and sea demon realm, has only appeared a hundred times, and each time there are only fifty pieces, which can be described as very rare.

However, this source crystal did not help much for cultivation, and could only be used for shuttles.

No matter how huge the shuttle is, it only needs a piece of source crystal, and it will never need to replenish energy, even if the shuttle is destroyed, the source crystal will be safe and sound.

It can be said that there are many ancient families who use source crystals when building shuttles, and they don't need to lose any demon crystals at all.

And the source crystal also has a role is that the defense is particularly strong, the shuttle built with the source crystal is very powerful, and the source crystal alone can resist the full attack of the peak of the Tribulation Realm.

"Our auction house will never auction things that have been repeated, this piece of source crystal appeared last time and has not been used, it is a personal item of this auction house, and I just want to change it."

After a buffer time, the voice continued.

"I don't know what to use to exchange for Source Crystal."

For a family, the source crystal is a symbol of identity, there are so many families in the entire mountain and sea demon realm, and only the top-ranked families can own the source crystal spaceship.

Therefore, those powerful families who did not get the source crystal all wanted to get a piece of the source crystal to show the strength of their family.

"One pill, four soul pills!"

After this sentence fell, the entire auction house fell silent, and no one answered the owner who spoke.

Although the source crystal is very rare, it is also dispensable, the four-grade soul continuation pill is different, if the soul is very damaged and its life hangs by a thread, you can use the soul continuation pill to save a life, and then slowly raise the soul, maybe one day the soul can be recovered.

Therefore, even if there is a Soul Renewal Pill, no one will exchange a source crystal, after all, the Soul Renewal Pill is used to save lives.

"Okay, since that's the case, let's start auctioning off the next thing."

Seeing that no one had exchanged the Soul Renewal Pill for a demon crystal, there seemed to be some disappointment in his tone.

However, at this moment, a voice rang out.

"Wait, I'm willing to exchange the Soul Renewal Pill for this thing, but I won't be able to give it to you until three months later, and I don't have it with me now."

It was Ye Yu who said this, for this kind of dispensable thing, Ye Yu would not use a four-grade pill to auction.

Then just after that voice finished the last sentence, the Hellfire Emperor asked Ye Yu in the Great Demon Space to get this piece of Source Crystal.

"Apprentice, although Yuan Jing does have some chicken ribs, it is not of much use to his own cultivation, and then he has other benefits, it is simply unimaginable, there is no problem with auctioning him off with a four-grade pill, and if you buy him, there may be a certain chance, and when you arrive in the Demon Realm, you will naturally be able to use it."

The Hellfire Emperor didn't know how much he had helped him when he started, so Ye Yu obeyed his words.

After saying this, Ye Wei felt a chill all over his body, locked by a very powerful divine sense, and that feeling as if his whole body had been seen through, and there was no privacy at all.

This divine sense stayed in his body for a long time before dissipating, and then Ye Yu only heard one sentence: "Okay, I can still trust Xiaoyou's demon products, I believe that it won't be long before you will reach the Middle Demon Realm, and I will wait for you in the Middle Demon Realm in three months, and I will naturally come to take the Four-Grade Soul Renewal Pill at that moment." ”

Hearing this, Ye Yu was shocked.