As for the divine ability upon completion of the last three layers of the sword art, it was the “Swordshadow Phantasm Technique"; the prerequisite to cultivating it was the possession of a flying sword magic treasure. Of course, flying sabers were also acceptable.

After completely cultivating it, when using this  divine ability to deal with enemies, one could borrow the sword light from the flying sword to create an illusion of a sword shadow completely identical to the flying sword. This could interfere with the enemy’s line of sight and attack the enemy along with the original sword. Although the sword shadow’s initial formation had only ten percent of the strength of the original sword, as one increased the sword art’s layer, its strength could increase. When it reached the ninth layer, it would have reached one-third of the original sword’s strength.

In addition, when cultivating the sword shadow, one could produce not just one illusion; from the seventh layer onwards, every additional layer one reached would allow one to produce an additional sword shadow. In this way, once one reached the pinnacle of the Azure Essence Sword Art, one could have three shadows that appeared to be identical to the original sword, yet only had one-third of its strength.

As such, it seemed that the divine ability, the Swordshadow Phantasm...