The tremendous shock experienced by the Martial Sea Immortal Venerable was due to the swordsmanship Ao Yan had just demonstrated, it was one of the three most profound sword methods in the Jade Ling Palace!
The Xuanxing Sword Method!
This sword method had been archived in the scripture pavilion of Jade Ling Palace many years ago, but, over all these years, only a handful of people have mastered it.
Not only is due to the high rank of this sword method, but also because it is incredibly sophisticated, obscure, and hard to understand. It's impossible for a normal person to comprehend, even the most talented geniuses can't learn it without a horrific talent in swordsmanship.
But how did Ao Yan manage it?
Furthermore, she displayed it with such familiarity, as effortless as if it were second nature?
How could it be possible? Ao Yan had only been in the Jade Ling Palace for a short time, merely a little over three months, and yet she knows such a sword technique?
