chapter 594 What's missing

Nine years after Owen Su returned from the Dark Demon Land.
In an independent space specially used for martial arts performance and trial moves, Owen Su was practicing swordsmanship alone.
He did not move quickly, and he wielded the magic sword in his hand casually, but every time he swung the sword, it was accompanied by a faint sword light. Compared with the previous ones, this sword light was much more restrained and did not look particularly strong and sharp.
But in fact......