There were many internal skills in Jin Yong's novels. The following were some of the common ones: 1 Sunflower Treasure Book: It is a martial arts secret book created by Mr. Jin Yong. It mainly introduced a martial art called "Sunflower Treasure Book". This martial art uses softness to overcome hardness and static control to be invincible. [2.8 Heavenly Dragons: A novel set in the late Northern Song Dynasty. It tells the Jianghu stories of Duan Yu, Xu Zhu, Murong Fu, and others, including a kind of internal skill called the Divine Condor Hero.] 3. Laughing Proud in Jianghu: It was also a novel created by Mr. Jin Yong. It described the adventures of Ling Huchong in Jianghu, including a martial art called "Nine Swords Beyond the Swords" and a mysterious person named "Feng Qingyang" who taught him internal strength. 4. The Return of the Condor Heroes: A novel set in the late Southern Song Dynasty. It tells the adventures of Yang Guo and Xiao Longnu in the Jianghu. It includes an internal skill called "The Condor Heroes" and a martial arts secret book called "Nine Yang Scripture". 5 Legend of the Condor Heroes: A novel by Mr. Jin Yong that narrates the Jianghu stories of Guo Jing, Huang Rong, and others during the Southern Song Dynasty. It includes a kind of internal energy called "Golden Wheel Temple" and a kind of martial arts secret book called "Nine Yang Scripture". These are some of the internal skills in Jin Yong's novels. Of course, there are many other different internal skills. Every character has their own unique internal skills.