There is a small difference in size, and the amount of spiritual energy required is actually five times different! Fortunately, Xu Xiaochen was practicing in the Demon-Suppressing Tower, and was so fast that he didn't think there was anything.

Rumble...

Xu Xiaochen continued to use Taoist techniques and violently killed monsters on a large scale.

Every time he uses Taoist magic, his magic power will be completely exhausted. After the monster is killed, his magic power will be instantly replenished. This cycle will consume a lot of energy for the spirit and easily exhaust the body.

Although he was mentally strong, his divine consciousness, and his physical body were stronger than those of the same level of monks, and it was very hard to support him, but after hard work, he gained great results. Not only did his cultivation improve, but his physical body and divine consciousness were all trained.

After 25 consecutive thunder techniques, under the impact of the majestic spiritual energy in the fairy world, Xu Xiaochen easily broke through to the seventh small level of the third level of the Dao Realm and became a late-stage cultivator of the third level of the Dao Realm.

As his cultivation level improved, his thunder technique range and lethality became much greater, but it was not enough to kill the eighth-grade monster himself, so he did not go to the second level and continued to work hard on the first level.

After all, although the second level eight monsters contain more spiritual energy, they cannot be killed in one go, or they cannot be killed in large quantities in one go, and the effect is not as good as the first level.

After reaching the late stage of the third level of the Dao Realm, the amount of spiritual energy that each small layer needs to absorb has increased a lot again. For example, the seventh small layer needs to kill nine-grade monsters ten times that of the sixth small layer before successfully breaking through.

Two hundred and fifty times, conflicted to the eighth small layer.

Two thousand five hundred times, conflicted to the ninth small layer.

Twenty-five thousand times, conflicting to the tenth small level, which is the three great perfection of the Taoist realm.

He used more than 200,000 thunder technique. When he reached the peak of the third level of the Taoist realm, Xu Xiaochen finally stopped. If he continued, he would directly attack the fourth level of the Taoist realm.

However, it requires a lot of spiritual energy to hit the fourth level of the Taoist realm, and you must concentrate and not be carried out in battle, otherwise you may be in a devil or fail in the impact.

Although the Demon-Suppressing Tower can help with cultivation, it is essentially different from the cave. In the Demon-Suppressing Tower, if the demon-Suppressing Tower is not killed, it will not be able to absorb the spiritual energy of heaven and earth.

Therefore, if Xu Xiaochen wants to reach the fourth level of the Taoist realm, he must leave the Demon-Suppressing Tower.

Xu Xiaochen killed a large number of ninth-grade monsters on the first floor, and the second floor of the Demon-Suppressing Tower has been successfully opened. Xu Xiaochen thought, and the person has appeared on the second floor of the Demon-Suppressing Tower. The second floor is full of eighth-grade monsters. Although the number is far less than the first floor, it is more than 100,000, which is enough to kill.

If Xu Xiaochen can successfully reach the fourth level of the Dao Realm, his Taoist magical fire thunderstorm will be able to directly kill a large number of eight-grade monsters at one time, and then he can practice happily on the second level of the Demon-Suppressing Tower.

Of course, with Xu Xiaochen's current strength, he can actually practice in this second level, or even open the third level. However, if he cannot use the Xuanhuo Thunderstorm to kill on a large scale, it is better to practice in the first level.

Xu Xiaochen didn't take action. He just looked at the second floor, then he thought about it and left the Demon-Suppressing Tower and returned to reality.

"It's great. Master, your cultivation has improved again. This time it's so fast. If you continue like this, you won't be able to catch up with me." The colorful spirit snake Xiaoqing crawled into Xu Xiaochen's sleeves, transmitted the sound with his thoughts, and said in his qi.

Although it is already of the top sixth grade, it is actually only less than four years old and is still very young.

"Well. I practiced in the Demon-Suppressing Tower, and the effect was very good. I practiced very quickly. Don't resist later. I'll take you in and let you practice it too. By the way, Xiaoqing, how long have I been in seclusion?" Xu Xiaochen nodded slightly and said.

Since the colorful spiritual snake broke through to the fourth level of the Taoist realm, Xu Xiaochen has often communicated with it in this way. In this way, sometimes, Xu Xiaochen will not feel lonely even if he is alone.

"Okay, okay. Master, you have been in seclusion for seven days. Xiaoqing also wants to seclusion." The five-colored spiritual snake said with a voice.

"Miaoji! Unexpectedly, after only seven days, I had practiced to the third level of the Taoist realm, and almost completed the hundred-year agreement with Tianfeng Palace. If this continues, the Blood God Daojun's death period is not far away. Even ascending to the upper realm is no longer out of reach!" Xu Xiaochen said with a laugh.

For the past seven days, he has been using Taoist techniques to kill monsters. There is no day and night in the demon-suppressing tower, so he has no idea how long it has passed.

Of course, he probably knew it in his mind, and knew that it would only take ten days at most.

"Let's go, I'll take you in first. If you can be able to improve by devouring monsters like outside, that would be even better. Haha." Xu Xiaochen said.

He immediately brought the colorful spirit snake to the first floor of the Demon-Suppressing Tower. When the colorful spirit snake saw a lot of monsters, he screamed excitedly and rushed up quickly.

The five-colored spirit snake is of the top sixth grade. It is a piece of cake to deal with the ninth grade spirit beast. Just by opening and sucking, it swallowed nearly a thousand monsters.

The colorful spirit snake kept devouring and quickly solved the 19th grade monster. However, it was not like the outside world that the devouring monster could be quickly improved.

It turns out that the monsters here seem to be flesh and blood, but in fact they are composed of demon souls and the spiritual energy of the fairy world. The colorful spirit snake devours the monsters and devour spiritual energy. Although it has also improved, it is far inferior to the outside world.

Here, the cultivation speed of the colorful spirit snake is far less than that of Xu Xiaochen. Because although it swallows quickly, it is not as good as Xu Xiaochen's Taoist technique to kill a large number of people.

More importantly, the five-colored spiritual snake is already at the top of the sixth level, equivalent to a late-stage cultivator in the fourth level of the Taoist realm. Every time you improve your cultivation, it takes unimaginable spiritual energy and a long time.

Xu Xiaochen was a little disappointed, but he was relieved soon.

If it is really like outside, the colorful spirit snake constantly devouring monsters, I believe it will not take long to reach the fifth grade or even higher. That would be abnormal!

"It's good that way. At least I'm less stressed, so there's no need to worry about being left behind by you. Haha. Of course, although the monsters here are not as good as those outside, they are also a great tonic for you. It's always good to eat more. I have to open the third level first so that you can get in. You can practice slowly on the second level now." Xu Xiaochen pondered slightly.

"Yes, master." The colorful spirit snake Xiaoqing put away his disappointment and said happily. In any case, being able to practice in the demon-suppressing tower is a great thing.

"To reach the fourth level of the Taoist realm, at least some excellent spiritual pills are needed. It seems that I still have to find a way to get more spirit stones." Xu Xiaochen left the Demon-Suppressing Tower alone, and was a little worried again.

"By the way, there is a way. I almost forgot that the black water and black snake nest in the Ten Thousand Beasts Mountains should go and investigate it." Xu Xiaochen thought for a while and suddenly his eyes lit up.

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