Required skill points:336
Normal
Sound Shock
10
Skill Level
311
Charge
Stigma
10
Skill Level
332
Normal
Sonic Vibration
10
Skill Level
132
Charge
Soundholic
10
Skill Level
112
Normal
Prelude of Storm
10
Skill Level
331
Normal
Prelude of Death
10
Skill Level
211
Normal
Harp of Rhythm
10
Skill Level
122
Required skill points:336
Quick Prep
Wide Explosion
Maintained Explosion
Sacred Shock
Cold Shock
Shock Enhancement
Rapid Fire
Curved Shot
Combat Stats
https://youtu.be/joqBinwNaEU
Oratorio Awakening
You can play around with the runes but thats just what i run, seems easy and reasonable, also, you can choose between both Awakenings, Oratorio does more "burst" dmg but Symphonia fills up your Identity Gauge for more heal or more dmg boost :)
No need of Pre-Emptive