Frostharden Iai

Frostharden Iai has a maximum of 3 points.
Casting Foreclaiming: Inward Vision grants 3 points of Frostharden Iai.
Each time Basic Attack - Iai is cast, if Hiyuki has Frostharden Iai, consume 1 point of Frostharden Iai to apply 3 stacks of Glacio Chafe on hit, and gain 1 stack of Whiteout Bitterfrost.