Becomes immune to the effect of [Cold]. Turns the tile into [frosty] tile upon casting any skill, lasting for 1 turn. DMG dealt is increased by 15%, and when the character stands on Frosty tiles, DMG dealt is increased by 30%. The DMG is guaranteed to be Crit DMG when attacking targets with no less than [3] stacks of [Chill]. When [Agata] is defeated, gains [ATK II], [P.DEF II], and [M.DEF II].