https://steamcommunity.com/sharedfiles/filedetails/?id=1645531784&result=1
Helwalker-Bellower, Pale Elf (or whatever)
10 MIG
14 CON
16 DEX,
12 PER
08 INT
18 RES
Thrice Was She Wronged
Tenacious
Turning Wheel
Sasha's Singing Scimitar (with Refreshing Finale) https://pillarsofeternity.gamepedia.com/Sasha%27s_Singing_Scimitar
You'll need to pick up a 4-, 5-, and 6- phrase invocation beyond Thrice... to build up the power level. But Thrice... will be your primary spell. This character has done the most damage in my 15-level custom party.