Global Cataclysm: I became a world tree

After Ye Feng became familiar with it, the efficiency of refining spirit became faster and faster.

Basically, at the back, it only takes 3 seconds to refine the spiritual sea of ​​a fourth-level mutated spider, 6 seconds for a fifth-level mutant spider, and 10 seconds for a sixth-level mutant spider.

Of course, later on, Ye Feng basically only selects the sixth-order mutant creatures for spirit refining. The reason for this is of course because of the harvest.

For example, if refining the spiritual sea of ​​a fourth-level mutated creature, the spiritual origin obtained is 1, then refining the fifth-level mutant spider is 10, and refining the sixth-level mutated spider is 100.

And a sixth-order mutated spider provided Ye Feng with 100 times the spiritual origin of a fourth-order mutated spider, but the difference in refining time was only a little over three times.

Ye Feng naturally knows how to choose how to maximize efficiency.

But even if Ye Feng was only refining sixth-level mutant spiders, it took a full 500 minutes for these 83 sixth-level mutant spiders.

It took such a long time and the rewards were great.

After the last mutated spider was refined, the Golden Crow's size swelled by nearly one-third compared to before.

Of course, this is only the first step. After the Golden Crow returns to the sea of ​​spirits, Ye Feng still needs to use the Golden Crow's Spirit Refining Method to integrate the spiritual origin of the Jinwu into his spiritual sea. refining.

This is equivalent to using the Golden Crow to transfer once, so what he got, the spiritual origin, can be compatible with himself.

Ye Feng can clearly feel that the sea of ​​spirits is constantly expanding, and his spiritual power has also begun to improve rapidly.

After 5 minutes, this round of improvement stopped. Ye Feng felt it carefully, and after only one round, his mental strength actually increased by 5%.

"It's truly a spiritual power secret technique that even the Heavenly Court must pay attention to. The effect of this improvement is immediate! According to this speed, at most one day, my mental strength can be increased by 100%."

Ye Feng couldn't wait to start searching for the place where the mutated creatures gathered.

Of course, before that, he would turn on the tactical computer, check each team, and send back a battle report every half an hour.

After confirming that nothing was wrong, Ye Feng immediately turned his attention to the valley 5 kilometers away, where there was also a huge mutated spider lair.

And there are even more sixth-order mutant spiders, about 700 of them.

As soon as Ye Feng took a step, his figure appeared above the valley following a wave of space fluctuation.

Just when Ye Feng was about to make a move, his eyes turned to a group of mutated wild wolves wandering by the edge of the valley.

This group of mutated wild wolves obviously wanted to attack the valley. To be precise, they were the prey on the spider webs in the valley.

Of course, Ye Feng didn't have time to care about what these mutated wolves wanted to do. His eyes fell on the three sixth-order mutated wolves headed by them.

"Speaking of which, I haven't tried to refine the spirits of these sixth-level mutated animals yet!" Ye Feng whispered to himself, took another step forward, and appeared in front of the mutated wolves.

These mutated wolves' intuition for danger was far superior to those of mutated animals. The next moment they saw Ye Feng, they did not attack, but instead all tucked their tails and started to run away.

It's just that facing Ye Feng, how could they escape? In the blink of an eye, all the mutant wolves fell into an illusion.

Immediately afterwards, the Golden Crow reappeared and crashed into the spiritual sea of ​​a sixth-order mutant wolf.

In an instant, Ye Feng realized that the sea of ​​spirits of these mutated animals was much stronger than that of mutated insects, at least twice.

But that was the case for Ye Feng, as the spiritual flame rose from Jinwu's body, the entire spiritual sea began to collapse rapidly.

This time, it took Ye Feng about 20 seconds to refine the spiritual origin of the mutated wild wolf's spiritual sea and integrate it into the Golden Crow.

"Damn, it's a loss!" Ye Feng couldn't help muttering.

Of course, the reason why he said this was not that he obtained too little spiritual origin from the mutant wolf, on the contrary, it was more than he expected, five times that of the mutant spider.

Spending 2 times the time, you can get 5 times the income. In other words, refining these mutated animals is 2.5 times more profitable than refining mutated insects.

The reason why he said it was a loss was naturally because he wasted more than an hour on those mutated spiders.

But it's not too late to find out now.

He quickly refined the three sixth-level mutated wolves, and then directly let the Golden Crow unleash the fire of spirit to kill the rest of the mutated wolves.

"Next, it's time to look for those mutated animals."

Ye Feng's mental power began to sweep across the area.

With his current strength of mental power, the furthest detection distance can reach hundreds of kilometers. As he closed his eyes to investigate, soon one after another of the mutant animals at the peak of the sixth level was searched out by his mental power.

Of course, Ye Feng didn't leave immediately. Instead, he took care of the more than 700 sixth-order mutant spiders in the valley, and then left in a hurry.

In a blink of an eye, half an hour passed.

Although Ye Feng only refined 90 mutated animals in this half hour, his mental power has increased by another 5%, and the total increase has reached 10%.

Such an improvement speed is naturally extremely fast, but the smile on Ye Feng's face disappeared.

"I really didn't expect to reach the limit so soon." Ye Feng whispered to himself.

Of course, the limit he mentioned is not that the sea of ​​spirits cannot continue to expand, but a limit that he can accommodate in a short period of time.

Although what Ye Feng absorbs back is the spiritual origin and has been transformed by the Golden Crow, but after all, it is a foreign thing, and it needs to complete the last step of assimilation before it can completely become its own.

In fact, this kind of assimilation has been going on all the time, and the spiritual source absorbed over time will naturally become his.

But the problem is that the efficiency of Ye Feng's absorption of the spiritual source is too high. In less than two hours, the mental power has skyrocketed by 10%, which makes the assimilation speed unable to keep up.

And 10% is an upper limit. If Ye Feng continues to increase his mental power crazily, then there may be problems.

So all he has to do now is wait.

Ye Feng felt it silently. It only takes half a day, then his sea of ​​spirit can completely assimilate the newly absorbed spiritual origin.