In the end, Xu Fengnian became an immortal. Xu Fengnian defeated the powerful enemy, Tuoba Bodhisattva, in the ending of the novel, Sword Snow Stride ", and became the foundation of Northern Liang. Although he had given up the throne and chosen to live in seclusion in the mountains, he had already become an immortal. At the same time, Xu Fengnian's eldest sister, Xu Zhihu, also became an immortal. The other siblings also had their own endings. Therefore, according to the information provided, Xu Fengnian finally became an immortal.

In the end, Xu Fengnian became an immortal. In the ending of Xu Fengnian's novel, Sword Snow Stride ", he defeated the powerful enemy, Tuoba Bodhisattva, and became the foundation of Northern Liang. Although he had given up the throne and chosen to live in seclusion in the mountains, he had already become an immortal. At the same time, Xu Fengnian's eldest sister, Xu Zhihu, also became an immortal. The other siblings also had their own endings. Therefore, Xu Fengnian became an immortal in the end.
In the end, Xu Fengnian learned martial arts. In Sword Snow Stride," Xu Fengnian began to learn martial arts in episode 21. Through hard work and the support of Da Huangting, he quickly became an expert. Even though he had missed the best opportunity to learn martial arts, he had obtained a shocking amount of true qi through learning saber techniques from Old Kui at the bottom of the lake and obtaining Da Huangting from Wang Chonglou. Xu Fengnian's martial strength gradually increased, and he eventually became the number one martial artist in the world.
In the end, Xu Fengnian successfully found the sweet potato. In Sword Snow Stride ", Sweet Potato was Xu Fengnian's personal maid and death warrior. She gave birth to Xu Fengnian's daughter, Little Sweet Potato. Although Sweet Potato was placed under house arrest by the Northern Mang Empress, according to the information in the side story, Sweet Potato was eventually rescued and lived in seclusion with Xu Fengnian. Hence, Xu Fengnian successfully found the sweet potato.
Xu Fengnian finally found the sweet potato. Sweet Potato was Xu Fengnian's maid and also his personal death warrior. She gave birth to Xu Fengnian's daughter, Little Sweet Potato. Although Sweet Potato was placed under house arrest by the Northern Mang Empress, according to the information in the side story, Sweet Potato was eventually rescued and lived in seclusion with Xu Fengnian. Hence, Xu Fengnian successfully found the sweet potato.
Xu Fengnian finally found the sweet potato. In Sword Snow Stride ", Xu Fengnian and Sweet Potato had a special relationship. Sweet Potato was Xu Fengnian's personal maid, and also the death warrior left to him by his mother. Sweet Potato gave birth to Xu Fengnian's daughter, Little Sweet Potato, but she was later put under house arrest by the Northern Mang Empress. However, in the side story, Xu Fengnian successfully found the sweet potato and rescued her. Therefore, based on the information provided, it could be confirmed that Xu Fengnian had found the sweet potato in the end.
Xu Fengnian finally found the sweet potato. Sweet Potato was Xu Fengnian's personal maid and death warrior. She gave birth to his daughter, Little Sweet Potato. However, the sweet potato was later placed under house arrest by the Northern Mang Empress. However, in the side story, Xu Fengnian successfully found the sweet potato and rescued her. The two of them lived in seclusion together. Hence, Xu Fengnian finally found the sweet potato.
The reason why Xu Fengnian did not become the emperor was not clearly stated in the novel, but it could be guessed that it was because Xu Fengnian had his own political ideas and pursuits, as well as the era and historical background he lived in. Xu Fengnian was a talented Wuxia character. His goal was to realize his political ideals through Jianghu. In the novel, he repeatedly expressed his desire for power and order and refused to become emperor. This might be related to his personal background and experience. For example, he had once served as an official in the imperial court and had a certain understanding and understanding of politics and power. Xu Fengnian's era was the period of political turmoil during the Northern and Southern Dynasties. Under such a historical background, Xu Fengnian might think that it was more reliable to realize his ideals through Jianghu rather than trying to control power through the status of the emperor. Xu Fengnian might have his own political ideas and pursuits, but he also recognized the historical background and situation at that time, so he decided not to pursue the position of emperor.
Sword Snow Stride " was a martial arts novel set in the Spring and Autumn Period. It told the story of Xu Fengnian, the heir of the Northern Liang, who grew up from a playboy to the King of the Northern Liang. The story involved Xu Fengnian's growth in martial arts, his feelings for his country, and the plot of the four strategists. At the end of the novel, Xu Fengnian started a series of thrilling deeds in the Northern Mang. In the end, he protected the herdsmen from the war and lived a peaceful life with his daughter, Jiang Ni. In the end, Xu Fengnian lived the life he wanted and became a legend.
Xu Fengnian was the main character in the novel, Sword Snow Stride." His background was extraordinary. In his previous lives, he was the Great Emperor Zhenwu, the First Emperor of Qin, and the Nameless Taoist. In this life, he was the heir of the Prince of Beiliang. Xu Fengnian's strength had gradually increased through continuous hard work and life-and-death battles. He also had many allies and supporters in society, including Patriarch Lu, Deng Tai'e, and Li Chungang. In the end, Xu Fengnian stepped down from the throne after the war in Beiliang and lived in seclusion with his wife. Regarding Xu Fengnian's ending and martial arts realm, he eventually became a martial artist of the Celestial Realm and was hailed as the number one in the world. As for who he ended up with, the article did not explicitly mention it.
According to the information you provided, I didn't find any information about the character "Xu Fengnian". Perhaps the information you provided is wrong or this character is not a character in the two novels you mentioned. If you have any other questions or need more information, please feel free to let me know. While waiting for the TV series, you can also click on the link below to read the classic original work of "Dafeng Nightwatchman"!