Refinements:

R1: Deathly Pact

CRIT DMG increased by 20%. Increasing the value of a Bond of Life increases the DMG the equipping character deals by 16% for 6s. Max 3 stacks.

R2: Deathly Pact

CRIT DMG increased by 25%. Increasing the value of a Bond of Life increases the DMG the equipping character deals by 20% for 6s. Max 3 stacks.

R3: Deathly Pact

CRIT DMG increased by 30%. Increasing the value of a Bond of Life increases the DMG the equipping character deals by 24% for 6s. Max 3 stacks.

R4: Deathly Pact

CRIT DMG increased by 35%. Increasing the value of a Bond of Life increases the DMG the equipping character deals by 28% for 6s. Max 3 stacks.

R5: Deathly Pact

CRIT DMG increased by 40%. Increasing the value of a Bond of Life increases the DMG the equipping character deals by 32% for 6s. Max 3 stacks.

Your support is more valuable than a primogem.