In the innermost space of the dock, Lin Feng saw the built Fengwulou ships, a total of twelve.

The specifications of these twelve Fengwu Lou ships are not high, because they are all made of first- to second-order materials, and there are no powerful weapons on the building ships, they are like empty shells, and their only function is to absorb and store the surrounding aura.

Lin Feng and Diao Chan flew onto the Fengwu Building Ship, and as soon as they went up, he keenly discovered the extraordinaryness of this Building Ship, and the aura was too strong.

For immortal cultivators, the thirst for aura is endless, and there will never be an immortal cultivator who will dislike the concentration of aura too high, and because of this, the aura in reality will never meet the ideal standard of immortal cultivators.

In order to increase the concentration of aura around them, immortal cultivators are bound to adopt some means, and the most basic and widely spread method is to use the Spirit Gathering Array.

The Gathering Spirit Array is a relatively mild formation, the effect is to gather a large range of spiritual energy and supply it to a small place, for example, the concentration of spiritual energy in a large range is ten, and the immortal cultivators are not satisfied, so they use the Gathering Spirit Array to make the concentration of spiritual energy in a large range become five, and the concentration of spiritual energy in a small range becomes fifteen, which is probably it.

But that's all, because the effect of the Spirit Gathering Array is related to the concentration of aura in a large range, so it can increase the concentration of aura in a small range to more than 1.5 times the original at most, and it is impossible to increase the concentration further.

As the sect master of the Fengwu Sect and a tenth-level immortal cultivator who was distracted, Lin Feng was of course very familiar with the Spirit Gathering Array, so he could see at a glance that there was absolutely no Spirit Gathering Array on this Fengwu Tower.

The concentration of aura on this Fengwu Lou ship was more than ten times higher than that outside the building ship, and it was absolutely impossible for it to be the effect of the Spirit Gathering Array.

Yuan Shen overflowed, and circled around the Fengwu Lou ship, he immediately noticed that the aura outside was tightly locked after it arrived at the Fengwu Lou ship, and it would not wander to other places, as the more aura poured in, the concentration of aura in the Fengwu Lou ship became higher and higher, which was a bit like purifying the aura.

Feeling the effect of the Fengwulou ship, Lin Feng said that it was impossible not to be surprised, no wonder Diao Chan said that now a Fengwulou ship can produce a fourth-order spiritual vein to swallow the amount of spiritual energy, it turns out that this is really the case.

It must be said here that in the infinite universe of the infinite plane, there is aura everywhere, of course, there are more aura in some places, and there are less aura in some places, but no matter how much or less, in short, there are some.

Therefore, don't think that an immortal cultivator can absorb all the aura in the universe, this is simply impossible, let alone people, even the Lord of the Era is estimated to be unable to do this, so to speak, aura is endless, and it is the most precious gift between heaven and earth.

Since the aura is endless, then whoever has the ability can occupy the place with the strongest aura, immortal cultivators all do this, and the immortal cultivation sects also do this, and those who occupy the blessed land with the strongest aura are the most powerful sects.

Now the Fengwu Mansion can automatically absorb the surrounding aura, and it can also increase the intensity of the aura without an upper limit, in Lin Feng's opinion, such a treasure already has the value of a nuclear/bomb, even compared to the most valuable Martial Demon Venerable body that Lin Feng has seen so far.

The effect of the body of the Martial Demon Venerable is quite domineering, which is equivalent to a realm of its own, and its power affects the operation of a realm, and special creatures are born in it, and the Fengwu Lou ship is definitely not comparable now, but what if the Fengwu Lou ship is upgraded?

The power of the Martial Demon Venerable's body will gradually weaken with the passage of time, but the Fengwu Mansion Ship can slowly increase with the passage of time, as long as the Fengwu Mansion Ship is given enough time, it can also affect the First Realm, and the effect is far beyond the Martial Demon Venerable's body.

It's just taking too long.

"Diao Chan, ask me about that refining society, if you use seventh-order or eighth-order materials to refine the Fengwulou ship, how long will it take for it to rise to the ninth order?"

"Sect Master, do you want to use seventh-order and eighth-order materials to refine the Fengwulou Ship?"

"Well, not to mention anything else, just by being able to absorb the surrounding aura and store it, it has enough value, of course this strategic-level magic weapon can't be put aside, I hope to try to refine one." ”

After a pause, Lin Feng said again: "By the way, tell them, the weapons on the Fengwulou ship are not needed, I am not going to use the Fengwulou ship as a combat-type magic weapon, but an auxiliary type." ”

"Supportary?"

"That's right, it's too wasteful to use the Fengwulou ship as a combat-type magic weapon, and I think the auxiliary magic weapon is more suitable for its positioning. ”

The Fengwu Mansion had such a powerful effect, Lin Feng really didn't want to use it to fight, anyway, the Fengwu Sect had so many powerful weapons, why did he just need the Fengwu Tower? Lin Feng wanted to use the Fengwu Mansion Ship as a spiritual vein production place.

The spiritual energy absorbed by a Fengwu Lou ship refined with first- and second-order materials is equivalent to the throughput of a fourth-order spiritual vein, if the Fengwu Lou ship is replaced with a seventh-order and eighth-order material to refine, the spiritual energy absorbed will definitely be more, maybe it can be equivalent to the daily throughput of several ninth-order spiritual veins, if it can really be so, then it will be a big deal.

Now the sect level of the Fengwu Sect is only the fifth level, and there are hundreds of fifth-order spiritual veins buried under the fifth-level Fengwu Sect, and the daily throughput of these spiritual veins is terrifying, and the disciples of the Fengwu Sect are cultivating in such a place, which is a hundred times that of the first-order spiritual veins, but can the fifth-order spiritual veins be compared to the ninth-order spiritual veins? Obviously, it can't.

The ninth-order spiritual vein is already regarded as the highest quality spiritual vein in the lower realm, if you can cultivate on this spiritual vein, it is at least equivalent to a hundred times the cultivation on the fifth-order spiritual vein, equivalent to ten thousand times the cultivation on the first-order spiritual vein, and one day of cultivation on the ninth-order spiritual vein is equivalent to more than 10,000 days of cultivation on the first-order spiritual vein, nearly thirty years...

Although Lin Feng can use spirit jade to improve his realm, he can also cultivate by himself, and there is nothing wrong with saving some spirit jade, and isn't it beneficial to the entire sect.

If the effect of the first Fengwulou ship meets Lin Feng's expectations, Lin Feng will let the sect build more, and it is estimated that tens of billions of disciples will cultivate on the ninth-order spirit vein, but at least it can ensure the cultivation progress of the elite disciples.

Some people may say that as long as Lin Feng is promoted to the Flying Ascension Realm, and then the sect level is also raised to the ninth level, wouldn't that also be able to achieve such an effect? This is indeed true, but the key is that Lin Feng does not want to improve the realm now, his strength is not enough, and he has to polish it, unless he can refine the Jiuding now, otherwise Lin Feng does not want to improve the realm for the time being.

Diao Chan had already communicated with the disciples of the Refining Society at this time, and she told Lin Feng that the people of the Refining Society said that they wanted the Fengwu Lou Ship to be promoted to the ninth order, according to the data of the current Fengwu Lou Ship, if it was a Fengwu Lou ship refined from seventh-order materials, it might take a thousand years to upgrade to the ninth order, and it would take six hundred years for eighth-order materials.

In addition, it was also the issue of aura throughput that Lin Feng was most concerned about, if he used a seventh-order material to refine the Fengwulou ship, the amount of aura absorbed per day should be equivalent to the throughput of ten ninth-order spiritual veins, and if it was an eighth-order material, it should be equivalent to the throughput of one hundred ninth-order spiritual veins.

Of course, all this is speculation, and we have to see how the physical object is refined.