After casting 3 spells, Sona's next attack deals bonus magic damage in addition to a bonus effect depending on what song Sona last activated.
Hymn of Valor
Sona plays the Hymn of Valor, sends out bolts of sound, dealing magic damage to two nearby enemies, prioritizing champions and monsters. Sona gains a temporary aura that grants allies tagged by the zone bonus damage on their next attack against enemies.
Aria of Perseverance
Sona plays the Aria of Perseverance, sending out protective melodies, healing Sona and a nearby wounded ally. Sona gains a temporary aura that grants allies tagged by the zone a temporary shield.
Song of Celerity
Sona plays the Song of Celerity, granting nearby allies bonus Movement Speed. Sona gains a temporary aura that grants allied champions tagged by the zone bonus Movement Speed on their next attack.
Sona plays her ultimate chord, stunning enemy champions and forcing them to dance and dealing magic damage to them. Each rank reduces the base cooldown of Sona's basic abilities.