Eye of Twilight (Gunslinger) skill

Turn back from the attack direction and mark the closest foe as a dueling target, inflicting the Eye of Twilight debuff, decreasing Move Speed by 80% and Atk. Speed by 40% for 3.5s. After 2s, pull out your revolver and open fire to inflict Atk. Power Damage. On hit, the Eye of Twilight debuff is removed.