Increase ATK SPD by 10%. Every time the equipping character's Normal Attack(s) hit opponent(s), when they cast their Elemental Skill, or when they begin their Charged Attack(s), gain 1/2/2 stacks of Four Winds' Hymn respectively: DMG dealt is increased by 7/9/11/13/15.5% for 4s. Max 4 stacks. This effect can be triggered once every 0.01s. Additionally, when the party has the "Hexerei: Secret Rite" effect, each stack of Four Winds' Hymn also increases the equipping character's CRIT DMG by 7/9/11/13/15.5%.