This was indeed useful.
After studying nearly a thousand sword techniques.
Twenty-seven years ago, before everything erupted, when the previous generation of the Lake Mountain Sword Sect had not yet determined a successor, the young and proud man went to the foot of Tianshan to listen to a lecture on swordsmanship by someone from Yunlang Mountain.
At that time, he was about to master the second move of "Beng Xue" and was optimistic about the road ahead. After returning, his spirits were high, and he brought back a pair of engraved knives and swords according to the agreement with his junior brother.
The lecture from Yunlang Mountain expounded on a somewhat trivial achievement in Sword Dao, more inspiring than practical, and in the years that followed, not many remembered it. Over twenty years later, when Ming Qi Tian went to Tianshan to inquire about swordsmanship, Shang Yun Ning, who had read through countless books, had never heard of this work.