Catalyst★★★★Winter's Heavy Heart
Released Sep 23, 2026Party-composition catalyst for Cryo, Electro, or Stellar GlimmerGuideWinter's Heavy Heart grants its wielder bonuses based on the number of Cryo and Electro characters in the party. In Radiance: Stellar Glimmer, its effect changes to Elemental Mastery and Stellar Glimmer reaction damage per qualifying character. Consider it when the party composition matches the relevant effect.