I want to go back to my original world and live an ordinary life.

Hearing Qiu Shuang say that the human skin mask could be prepared in a few days, Qiu Yan didn't say much, but just nodded with satisfaction. Then, Qiu Yan, who was thinking about cultivation, was in no mood to eat anything at this time. He stood up and said to Qiu Shuang, "I'm sorry to trouble you with this matter. I will continue to retreat. When you have prepared these things, come to my room and call me."

"Okay, Master!" Qiu Shuang nodded respectfully when she heard Qiu Yan's words. Qiu Yan didn't say anything more when he saw this. He stood up and walked out the door. After taking two steps, Qiu Yan looked back at Xiao Nan and said with a smile, "Pumpkin, I don't have time to accompany you during this period. You have to practice well and don't be lazy!"

"Brother, don't worry! I won't be lazy!" Xiaonan replied somewhat unhappily after hearing Qiuyan's words, because this was not the first time Qiuyan had said something similar, and Xiaonan was a little annoyed.

Hearing Xiaonan's somewhat unhappy voice, Qiu Shuang smiled, and then without saying anything more, she turned around and walked out of the room towards her own room. After entering her room, Qiu Yan closed the door and sat on the bed to start practicing again. At this time, Xiaonan and Qiu Shuang cleaned up the dishes and chopsticks together, and then the two went back to their rooms to rest.

Qiu Yan was sitting cross-legged on the bed practicing. Although with the help of the Spirit of Destruction, Qiu Yan's practice speed was already very fast, but Qiu Yan always felt that his practice speed was still too slow. Because in these four months, if he improved his practice by one more level, he would have one more hope of defeating his opponent in the challenge. Therefore, reaching level 20 in four months was only Qiu Yan's minimum goal. Under the premise of this minimum goal, Qiu Yan still wanted to improve his practice as much as possible.

However, how to improve his cultivation as much as possible made Qiu Yan a little troubled at this time. After all, he had been practicing like this all along, and his cultivation speed was already fixed. It was basically impossible to improve it by relying on his own conditions. After thinking about it, Qiu Yan suddenly thought that since he could no longer improve his cultivation speed by relying on his own conditions, what about relying on external forces? Qiu Yan remembered that the Tianling Pill seemed to be used to improve the speed of cultivation, and unlike the Lingtao, the Tianling Pill could help practitioners improve their cultivation speed after reaching level 100.

Although Qiu Yan has reached level 100 for a long time, he has never taken Tianling Pills to increase his cultivation speed. This is mainly because Qiu Yan has never had the habit of taking pills, so Qiu Yan can't remember to use Tianling Pills to increase his cultivation speed. However, now that Qiu Yan has thought of this, Qiu Yan feels that he should give it a try. Even if the speed of Tianling Pills is very limited, as long as it can increase his cultivation speed a little bit, it will be very beneficial to him. After all, he still has a lot of Tianling Pills, and it would be a waste if he doesn't take them!

Thinking of this, Qiu Yan immediately stopped practicing, took out a bottle of Tianling Pill from the space jade, and then poured out a pill in his palm. He looked at the red pill in his hand, hesitated for a moment, and swallowed it directly into his stomach. After swallowing the Tianling Pill, Qiu Yan immediately started practicing again. As the Tianling Pill slowly dispersed and melted in Qiu Yan's body, Qiu Yan felt that his body had also changed a little. The meridians became much smoother than before when running spiritual power, and the efficiency of practice was also improved. Although the increase was not very large, it was indeed improved.

It works! Qiu Yan couldn't help but get excited after feeling the changes in his body, thinking, if he took one pill, he would get some improvement, so if he took a few more pills, would the improvement be more obvious? Thinking of this, Qiu Yan thought he could give it a try, but in order not to waste pills, Qiu Yan did not take a lot of pills at once, but poured out another Tianling Pill and swallowed it, wanting to see if taking two Tianling Pills at a time would increase the efficiency of cultivation again.

What made Qiu Yan feel relieved was that his guess was correct. Taking two pills at the same time could indeed improve efficiency. However, the efficiency of taking two Tianling Pills at the same time was not twice as efficient as taking one Tianling Pill, but only about 1.5 times as efficient. To put it bluntly, one plus one did not equal two, but 1.5, and the efficiency of the other 0.5 pills disappeared. Although taking two Tianling Pills at the same time improved the efficiency a little more than taking only one Tianling Pill, it also lost part of the efficiency of the Tianling Pill.

Given the value of the Tianling Pill, most practitioners would not choose to lose some of the efficiency of the Tianling Pill to take two Tianling Pills at the same time, but Qiu Yan is not an ordinary practitioner. He will not care about the efficiency he loses. He only considers how much efficiency he can get. After all, Qiu Yan still has a sufficient supply of Tianling Pills, at least for now. Therefore, after learning that the efficiency of Tianling Pills can be superimposed, Qiu Yan took taking two Tianling Pills at the same time as a standard.

However, Qiu Yan did not eat three Tianling Pills at the same time to increase the efficiency of cultivation, because Qiu Yan was not a fool. If he ate two Tianling Pills at the same time, the efficiency of the second Tianling Pill would be directly lost by half. If he ate three at the same time, he would directly lose the efficiency of a whole Tianling Pill! Although Qiu Yan still had some Tianling Pills, he was not stupid enough to waste them like this. After all, the Tianling Pills were very valuable. Therefore, Qiu Yan felt that eating two Tianling Pills at the same time would be enough. If he ate three at the same time, it would be unnecessary and too wasteful.

After taking two Tianling Pills, Qiu Yan's cultivation speed increased a little. This made Qiu Yan more confident that he could reach level 20 within four months. Qiu Yan even felt that if he could squeeze out more time, with the help of the Spirit of Destruction and Tianling Pills, he could possibly increase his strength to level 30 within four months. His cultivation speed directly exceeded that before level 100.

However, this was just Qiu Yan's idealistic estimate. In fact, the higher the level, the slower the cultivation speed, and Qiu Yan had not taken this into consideration. But no matter what, it should not be a big problem for Qiu Yan to reach level 20 in four months. As long as Qiu Yan does not waste too much time, 20 levels in four months will only be more, not less!

The next morning, Qiu Shuang got up early. After getting up, Qiu Shuang explained to Xiao Nan and went out to do things for Qiu Yan. Qiu Shuang came out this time to buy a human skin mask for Qiu Yan, but human skin masks are not sold everywhere. Only some underground black markets sell these things. Qiu Shuang used to be a guide at Zhilingxuan. Due to work reasons, Qiu Shuang often went to the black market with the shopkeeper to buy some spiritual tools, so Qiu Shuang was familiar with the situation in the black market. At least she knew where human skin masks were sold in the black market.

After arriving at the black market, Qiu Shuang went directly to a small shop selling human skin masks. This shop was in a very inconspicuous corner of the black market, and the store was also very small. However, although this shop was not very noticeable in the black market, it was still very famous in the black market. This was not because this shop was famous for selling human skin masks. On the contrary, few people knew that this shop sold human skin masks because the things sold in this shop were very miscellaneous, whether it was spiritual tools, elixirs, exercises, spiritual medicines or talismans and formations, this shop had everything.

It can be said that the things in this store can almost meet the needs of all people who come to the black market. It is precisely because of this that this small store is so famous in the black market.

The owner of this shop is a hunchbacked old man. When Qiu Shuang walked into the shop, she saw the hunchbacked old man wiping the counter leisurely. After seeing the old man, Qiu Shuang walked up to him and greeted him, "Mr. Feng, long time no see. How is your business lately?"

When Old Feng heard someone talking, he looked up. Although he looked a little hunched, his eyes were unusually deep and full of spirit, giving people a feeling of being unfathomable. When Old Feng saw that the person coming was Qiu Shuang, he immediately put down the rag in his hand, and said to Qiu Shuang with a smile, "It turned out to be Shuang girl! Are you here to take care of my business again?"

After saying this, Old Feng looked behind Qiu Shuang, and seeing that there was no one behind her, he curiously asked Qiu Shuang, "What's wrong? Aren't you coming here with Manager He today?" Qiu Shuang had always come here with Manager He before, and had never come alone, so Old Feng was quite curious to see Qiu Shuang coming here alone this time.

"No, I have already left Zhilingxuan. I came to you today to buy some things by myself?" Qiu Shuang spoke with a polite smile on her face.

"Oh!" After hearing Qiu Shuang's words, Feng Lao nodded, then smiled and said to Qiu Shuang, "So, what did you come to see me today, old man?"

"Human skin mask!" After Feng Lao finished speaking, Qiu Shuang said without hesitation.

"Human skin mask?" After hearing what Qiu Shuang wanted to buy, Feng Lao nodded slightly, and then continued, "Human skin masks are not available now, so they can only be customized. The customization time is about five days. Is that okay?"

"No problem!" Qiu Shuang already knew that it would take several days to make a human skin mask, so she had no problem with time.

"Yes!" After hearing Qiu Shuang say that there was no problem, Feng Lao nodded, and then said, "Then tell me what kind of requirements you have for the human skin mask you want to customize, and I will calculate the approximate price."