How to draw a sword and chop the soul of DNF twice?

Lightsaber proficiency reaches 7, and then you can draw 2 strokes.

Sword Soul is one of the occupations of male ghost swordsman in the online game Dungeon and Warrior.

Sword Soul is a weapon expert who is proficient in all sword weapons, and is a generalist on the battlefield. It is also the role that male ghost swordsmen can master lightsaber. He is good at beating his opponent with thunderbolt. Can advance and retreat freely in the battle.