Skyward Spine
Black Wing
Increases CRIT Rate by 8%/10%/12%/14%/16% and increases Normal ATK SPD by 12%. Additionally, Normal and Charged Attacks hits on opponents have a 50% chance to trigger a vacuum blade that deals 40%/55%/70%/85%/100% of ATK as DMG in a small AoE. This effect can occur no more than once every 2s.