♂?，，

  After a fierce battle, Qian Bai Du's clothes were torn into strips by Xin Lang, and his body was also covered with several wounds that continued to bleed profusely.

  "Damn it! This 'Heart-Rending Dragon Claw' is too perverted, I couldn't hold back my hand on the first try!"

  Qian Bai Du was covered in blood, his hands propping up his body as he knelt on the ground. His mind and body were both severely injured. He had thought that after advancing to a 4th level martial artist, he would be able to defeat Xin Lang, but he hadn't expected to lose even more miserably this time.

  Xin Lang helped Qian Bai Du up from the ground, then took out a bottle of trauma medicine he had prepared from his backpack and handed it to Qian Bai Du, saying: "Classmate, treat your wound first!"

  "Negotiation student, what martial arts technique did you just use? How can it be so fierce?! And... and... I feel that it's very similar to my family's 'Piercing Dragon Claw Hand'?" Qian Bai Du asked Xin Lang urgently, ignoring the injuries on his body.

  Want to learn? If you want to learn, I can teach! Xinlang doesn't want such a good "score booster" to disappear like this.

  "What? You're willing to teach me?" Qian Bai Du was shocked. In the Great Xia Dynasty, martial arts were something that had to be bought with money.

  "Haha!" Xin Lang laughed and said: "There's nothing that can't be taught! This ordinary mid-level martial skill is called 'Fissure Heart Dragon Claw Hand', it was inspired by my family's traditional martial skill 'Pierce Heart Dragon Claw Hand' which I saw two days ago, and I created it myself! I was able to create this martial skill also thanks to my family's 'Pierce Heart Dragon Claw Hand', so teaching it is a way of giving back!"

  "Self-made? Oh my god!"

  Just by looking at it once, he can create a higher-level martial skill, what kind of existence is this!

  "Don't be surprised, Qian! I had a flash of inspiration yesterday too and managed to scrape by!"

  Xin Lang was afraid that Qian Bai Du would lose his confidence in being able to help the poor, so he deceived him into learning the "Heart-Rending Dragon Claw" technique. Not only that, but in order to gain more experience points, Xin Lang also taught Qian Bai Du the ordinary mid-level martial skill "Descending Dragon 1008 Palms", and instructed him to come back and challenge himself again after mastering it.

  He also obtained 500 experience points from Qian Bai Du, and he couldn't wait to upgrade "Dragon Claw Fist" to a high-level martial skill.

  Just as Xin Lang was thinking of upgrading "Fissure Dragon Claw", the chubby and cheerful Gu Ge came back!

  Gu Pangzi saw Xin Lang and shouted from a distance: "Boss, I'm back!"

  Ever since Gu Pangzi took away the "Lotus Flower Whitening Dew", this lewd guy hasn't come back.

  Xin Lang snorted coldly: "I thought I was going to die in Yichun Courtyard!"

  "Haha!" Gu Pangzi laughed and said: "How could that be? Even if I have to exhaust myself to death, I must wait until I complete the task you entrusted to me, Boss, before I die!"

  "How much does a bottle of Lotus Flower Whitening Dew cost?" Seeing Gu Pangzi's smug expression, Xin Lang knew that the medicine he had given him must have all been sold out.

  "Guess what, Big Brother?" Gu Piaozi said with a sly smile.

  "Speak!" Xin Lang was anxious and didn't have time to play a guessing game with Gu Pangzi.

  "Hehe, it's not too expensive, a bottle of 'Lotus Flower Whitening Dew' for just five gold coins!" Gu Pangzi said with satisfaction.

  "Hiss..."

  Xin Lang took a deep breath of cool air, he had mentally prepared himself, but he never thought that the "Lotus Flower Whitening Dew" would be sold by Gu Pangzi for five gold coins per bottle.

  Xin Lang asked with some disbelief: "You mean five gold coins per bottle?"

  "Right!"

  "A hundred bottles have been sold!"

  "Haha, not enough yet! If I hadn't run fast, those little rascals would have eaten me alive! And to think she almost got me with her wits!" Gu Pangzi said with a lustful smile.

  "How did you sell them?" Xin Lang was very curious about how Gu Piaozi managed to sell all 100 bottles of "Lotus Flower Whitening Dew" in just one day.

  Pangzi told Xinlang about his experience of selling medicine in an old song.

  Because Gu Paozi had personally used Xinlang's medicine, he had absolute confidence in Xinlang's medicine. After getting the medicine, he first chose a woman with good looks but very dark skin in Yichun House and let her try it for free. After the whitening effect came out, combined with her original good looks, she immediately became popular.

  After Gu Baozi's boasting, the whitening effect of "Lotus Flower Whitening Dew" was infinitely divine, and it immediately suffered from creation. Many courtesans who couldn't get a spot, in order to buy Gu Baozi's "Lotus Flower Whitening Dew", actually took the initiative to ** him.

  Gu Pangzi made a fortune and got to play with women for free, no wonder he's beaming with joy.

  After listening, Xin Lang couldn't help but admire Gu Piaozi's business skills. One hundred bottles of "Lotus Flower Whitening Dew" sold for five hundred gold coins, and after deducting costs and Gu Piaozi's share, Xin Lang made a profit of over three hundred gold coins.

  The money earned by Xinlang is displayed in the task information of the upgrade device, and the upgrade device accurately made statistics without missing a single copper coin.

  The "Lotus Flower Whitening Dew" sold so well that Xin Lang immediately took a leave of absence, striking while the iron was hot, and hurriedly made another 200 bottles for Gu Pangzi to sell.

  "What a pity! This "Lotus Flower Whitening Dew" can't be mass-produced, otherwise even if the price is lowered a bit, it should still be able to earn 10,000 gold coins in a month."

  After completing his daily training tasks and earning 1 point of experience, Xīn Làng suddenly remembered that he should upgrade his Mortal Middle Grade martial skill "Heart Rending Dragon Claw" to a Mortal High Grade.

  In the morning, Xinlang obtained 5 points of experience from Qianba Du. After completing his daily tasks in the evening, he gained another point of experience, bringing his total to 6 points. With this, he was able to upgrade "Heart-Rending Dragon Claw" to High-Grade Mortal level and still had 5 points of experience left over.

  The upgrade process is the same as before. When "Fissure Dragon Claw" is upgraded to a higher level, it becomes "Shattered Heart Dragon Claw".

  Two top-grade martial skills of the ordinary level, this makes Xin Lang absolutely unbeatable among his peers. Even six or seven grade warriors who are two to three levels higher than him may not be a match for Xin Lang.

  "I wonder what the market price of ordinary martial skills is?" Xin Lang had thought of selling his martial skills, but after careful consideration, he was afraid of causing unnecessary trouble. At a time when his own strength was relatively low, it was better to keep a low profile.

  "Right!" Xin Lang suddenly thought: "The upgrade device can upgrade martial skills and techniques, what if other things can be upgraded too?"

  PS: Advance notice: This book was previously uploaded as "Invincible Upgrade" with 30,000 words. The word count has now exceeded the previous amount. Tomorrow, Monday, taking advantage of the ranking surge, White Cabbage will make a big explosion, and tomorrow's ten updates will be dedicated to everyone! The first update will be after midnight tonight, brothers remember to come support White Cabbage.

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