Frostheart
Hiyuki holds up to 300 points of Frostheart.
Frostheart is restored while casting Frostblight: Jade Cleave and Frostblight: Petalfall, or when Normal Attacks - Foreclaimed Self other than Heavy Attack - Bitterfrost: Foreclaimed Self hits the target.
If Hiyuki has at least 100 points of Frostheart, Hiyuki may enter Iai Stance. While in Iai Stance, press Normal Attack and consume 100 points of Frostheart to cast Basic Attack - Iai.
Frostheart is restored while casting Frostblight: Jade Cleave and Frostblight: Petalfall, or when Normal Attacks - Foreclaimed Self other than Heavy Attack - Bitterfrost: Foreclaimed Self hits the target.
If Hiyuki has at least 100 points of Frostheart, Hiyuki may enter Iai Stance. While in Iai Stance, press Normal Attack and consume 100 points of Frostheart to cast Basic Attack - Iai.