In Jin Yong's novels, the person with the highest martial arts might be different due to different novels and versions, so it was difficult to have a definite answer. However, there were some characters who were widely regarded as the most powerful in Jin Yong's novels, including: 1 Brother Fearless: He is the protagonist of the Heaven Sword and Dragon Sabre. He is proficient in the Nine Yang Scripture and the Tai Chi Sword Technique and is known as the number one expert in the martial arts world. 2. The top masters of the Huashan Sword Seminars: In the " Return of the Condor Heroes " and " Demi-Gods and Semi-Devils," there were some top masters who had participated in the Huashan Sword Seminars, such as Guo Jing, Huang Rong, Zhou Botong, etc. Some of them were also very good at martial arts. 3. Sweeping Monk: Although the sweeping monk did not participate in the Huashan Sword Contest, he had a very mysterious martial arts in the "Eight Dragons" and could display various wonderful skills. He was known as a martial arts genius. 4. Linghu Chong: He is the protagonist of the " Smiling Proud Jianghu ". He is proficient in the Nine Swords Beyond the Swords and the Star Sucking Grand Magic and is known as the number one expert in the martial arts world. These people all had their own unique martial arts system and experience, so it was difficult to say which person was the only correct answer. However, no matter who it is, in Jin Yong's novels, they are all extremely powerful and charming martial arts masters who deserve our admiration and appreciation.