A skill book was an item in the game that usually appeared in the plot or in specific missions to help the character increase the skill level or increase special abilities. To obtain a skill book, one usually had to complete some specific missions or challenges and might have to defeat some powerful enemies or bosses. Some Dao Seeking Skill Books needed to be distributed during special festivals or events, or they could be purchased through trading websites or players. Different skill books had different skills and effects. It was necessary to choose a suitable skill book to learn according to the character's level and skill requirements. At the same time, learning the question asking skill book also required a certain amount of experience and gold coins. Therefore, one had to choose carefully and work hard to complete the relevant missions and challenges.