Refinements:

Increases ATK by 20%/25%/30%/35%/40%. When characters in your party obtain Elemental Shards from Crystallize reactions, the equipping character will gain 1 Seal, increasing Elemental Skill DMG by 18%/22.5%/27%/31.5%/36%. The Seal lasts for 15s, and the equipper may have up to 2 Seals at once. All of the equipper's Seals will disappear 0.2s after their Elemental Skill deals DMG.