Who Says Basic Swordsmanship Can't Kill Someone?

Watching Cui Ye split the mountain with a casual sword, a drop of sweat slowly slid down the enemy's forehead. "Such swordsmanship is rare in the world. Just now, we are having fun with each other. Can we reconcile?" "This is just basic swordsmanship." No secret method? But practicing basic swordsmanship is enough for a genius!