Main Stats:
Clock: Elemental Mastery ------ Chalice: Electro Bonus ------ Crown: Crit. DMG or Crit. Rate.
Sub Stats:
It is recommended to get Crit. Rate, Crit. DMG, Energy Recharge and Elemental Mastery.
Recommended Stats:
Try to get 70% Crit Rate, 240% Crit DMG, 135% Energy Recharge and 300 Elemental Mastery.
Important: If you are in a Hyperbloom team, she goes with the Gilded Dreams set and should focus on triple Elemental Mastery, that is, Elemental Mastery on Sands, Goblet, and Circlet, while also seeking extra substats of Crit Rate, Crit DMG, Energy Recharge, and Elemental Mastery.
The stats would be: 70% Crit Rate, 150% Crit DMG, 135% Energy Recharge and 900 Elemental Mastery.