Refinements:

R1: Bane of Storm and Tide

Increases DMG against opponents affected by Hydro or Electro by 12%.

R2: Bane of Storm and Tide

Increases DMG against opponents affected by Hydro or Electro by 15%.

R3: Bane of Storm and Tide

Increases DMG against opponents affected by Hydro or Electro by 18%.

R4: Bane of Storm and Tide

Increases DMG against opponents affected by Hydro or Electro by 21%.

R5: Bane of Storm and Tide

Increases DMG against opponents affected by Hydro or Electro by 24%.

Your support is more valuable than a primogem.