Refinements:

R1: Rapid Firing

Increases Normal Attack DMG by 40% but decreases Charged Attack DMG by 10%.

R2: Rapid Firing

Increases Normal Attack DMG by 50% but decreases Charged Attack DMG by 10%.

R3: Rapid Firing

Increases Normal Attack DMG by 60% but decreases Charged Attack DMG by 10%.

R4: Rapid Firing

Increases Normal Attack DMG by 70% but decreases Charged Attack DMG by 10%.

R5: Rapid Firing

Increases Normal Attack DMG by 80% but decreases Charged Attack DMG by 10%.

Your support is more valuable than a primogem.