Refinements:

R1: Heavy

Normal Attacks deal an additional 160% ATK as DMG. Can only occur once every 10s.

R2: Heavy

Normal Attacks deal an additional 200% ATK as DMG. This effect can only occur once every 10s.

R3: Heavy

Normal Attacks deal an additional 240% ATK as DMG. This effect can only occur once every 10s.

R4: Heavy

Normal Attacks deal an additional 280% ATK as DMG. This effect can only occur once every 10s.

R5: Heavy

Normal Attacks deal an additional 320% ATK as DMG. This effect can only occur once every 10s.

Your support is more valuable than a primogem.