In the story, in order to rescue Zhong Ling who was held hostage, Duan Yu accidentally stepped into the blessed land of Wuliang Mountain and saw a jade statue in the cave, which was regarded as "Sister Fairy". Duan Yu showed great respect. After kowtowing to the jade statue for a thousand heads, he accidentally got the bard's martial arts secret book, the northern ghost magic, with a slow cultivation method at the end of the volume, so Duan Yu learned these martial arts. Ling Bo walks very skillfully, but Bei Ming hasn't learned all the magic yet.
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Follow up-
Later, Duan Yu rushed to Wanqiu Valley to ask his mother for help, but because of misunderstanding, Ganbao couldn't leave, so Duan Yu found Duan with her birthday, met Mu, and made an engagement in the middle of the vast mountains. After Duan Yu was detained by Infinite Sword, he escaped with the "northern ghost magic", but he mistakenly took the "boundless Zhu mussel", the king of all poisons. Since then, all kinds of poisons have never invaded.
Later, Duan Yu found his men to rescue Mu, and then they rushed to Dali. On the way, I passed the jade deficiency view where my mother Dao Baifeng was. Duan Yu hugged his mother affectionately, but Mu misunderstood her jealousy and slapped Dao Baifeng. Later, after Duan Yu's explanation, Dao Baifeng and Duan Yu joined the ranks of go to dali Palace. Yue Laosan, the crocodile god of the South China Sea, came to the palace and asked Duan Yu to worship him as a teacher, but Duan Yu used his limping steps to avoid Yue Laosan's attack and made Yue Laosan worship Duan Yu as a teacher instead. ...
Lingbo micro-step-
The bard's martial arts evolved according to the orientation of the sixty-four hexagrams of Zhouyi, with strange footwork. You have to turn it out of thin air or jump back and forth, left and right to combine it with the roll-up footwork. When defending the enemy, you only need to follow the sixty-four hexagrams and don't have to worry about the existence of your opponent. It is an excellent kung fu that goes its own way and is unconstrained.
Baidu Encyclopedia-Duan Yu