Agidyne

Deal 1d20 fire damage to one enemy. When you hit an enemy that is weak to fire for the first time this turn, take one more action this turn. Costs 12sp. If you roll a 15-20 inflict burning (poisoned)

(This is for a homebrew persona campaign I'm making. More Personas and spells will be made as time goes on. A feat has already been made called the "Persona User (Wild Card). If anyone has any tips, feel free to provide them)