Increases damage dealt by self and nearby party members.
Effectiveness is determined by the number of different Coda active in the Song Gauge.
1 Coda: 2%
2 Coda: 4%
3 Coda: 6%
Can only be executed when at least 1 coda is active.
— In-game description
Radiant Finale is an action unlocked at level 90. It is available for Bard.