I sell my skills in Pirates

Story of: I sell my skills in PiratesAccording to legend, there is such a bookstore in the pirate world, and the books in it record various skills, swordsmanship, scriptures...As long as you get the approval of the shop owner, you will have a chance to obtain the supreme skill.Red-haired: "Thank you Mr. Karl for giving me the "Black Iron Sword Manual" so that I can climb to the top of the Four Emperors with my arm broken."Ivankov held an embroidery needle in his hand and said with a charming smile: "The Sunflower Book is the best in the world."Hawkeye opened the red earth continent with his sword and said proudly: "If God had not given birth to me, Mihawk, my swordsmanship would be as long as the night."Warring States saw Rob Luqi frowning slightly in front of the office, suddenly transforming into the form of a golden Buddha, and said angrily:"I can tell at a glance that you are not human.""Monster, I want you to show your true colors.""The mighty Tianlong, kill."