Max HP +5000 Skill Power +10%% Fear Resistance +30%% <Skill upgrade> Backstab Increases vital point attack power. Increases the skill's range Ghost Walking Increases P./ M. Def. Increases Debuff/ Anomaly Resistance. Increases Max Speed and skill range. Increases P. Atk. (at Lv. 2+). Mortal Piercing Increases vital point attack power. Increases the chance of removing barriers and cancelling effects that limit received damage.