Refinements:

R1: Chord

Normal or Charged Attacks grant a Harmonic on hits. Gaining 5 Harmonics triggers the power of music and deals 100% ATK DMG to surrounding opponents. Harmonics last up to 30s, and a maximum of 1 can be gained every 0.5s.

R2: Chord

Normal or Charged Attacks grant a Harmonic on hits. Gaining 5 Harmonics triggers the power of music and deals 125% ATK DMG to surrounding opponents. Harmonics last up to 30s, and a maximum of 1 can be gained every 0.5s.

R3: Chord

Normal or Charged Attacks grant a Harmonic on hits. Gaining 5 Harmonics triggers the power of music and deals 150% ATK DMG to surrounding opponents. Harmonics last up to 30s, and a maximum of 1 can be gained every 0.5s.

R4: Chord

Normal or Charged Attacks grant a Harmonic on hits. Gaining 5 Harmonics triggers the power of music and deals 175% ATK DMG to surrounding opponents. Harmonics last up to 30s, and a maximum of 1 can be gained every 0.5s.

R5: Chord

Normal or Charged Attacks grant a Harmonic on hits. Gaining 5 Harmonics triggers the power of music and deals 200% ATK DMG to surrounding opponents. Harmonics last up to 30s, and a maximum of 1 can be gained every 0.5s.

Your support is more valuable than a primogem.