Weapon Proficiency/Executer's Eyes

Executer's Eyes is a proficiency skill for 1H dagger in Sword Art Online: Integral Factor. It gives every attack a chance to cast a debuff on the enemy, which makes him receive more damage with the next attack, when the player has a dagger equipped. The debuff is active for 10 seconds and its damage multiplier depends on the level of the proficiency skill.

The table below shows the level of the proficiency skill, how high the damage multiplier is, prerequisites to level it up, and the materials required to level up the proficiency skill.