Refinements:

R1: Whitehill's Bestowal

Within 12s after an Elemental Skill is used, ATK is increased by 24%. During this time, when the equipping character has 0 Energy, ATK will be further increased by 24%, and CRIT DMG will be increased by 40%.

R2: Whitehill's Bestowal

Within 12s after an Elemental Skill is used, ATK is increased by 30%. During this time, when the equipping character has 0 Energy, ATK will be further increased by 30%, and CRIT DMG will be increased by 50%.

R3: Whitehill's Bestowal

Within 12s after an Elemental Skill is used, ATK is increased by 36%. During this time, when the equipping character has 0 Energy, ATK will be further increased by 36%, and CRIT DMG will be increased by 60%.

R4: Whitehill's Bestowal

Within 12s after an Elemental Skill is used, ATK is increased by 42%. During this time, when the equipping character has 0 Energy, ATK will be further increased by 42%, and CRIT DMG will be increased by 70%.

R5: Whitehill's Bestowal

Within 12s after an Elemental Skill is used, ATK is increased by 48%. During this time, when the equipping character has 0 Energy, ATK will be further increased by 48%, and CRIT DMG will be increased by 80%.

Your support is more valuable than a primogem.