You could also use another Fire Ray from a component which is strong too, doesn’t need an investment and has a lovely +1 to Demo: Conflagration
this can be vendor farmed if you don’t have it (you reset vendor till he has blueprint you want), 3rd act at the earliest
Here you can find YT vid showing this skill: :damage_chaos: Skills granted by items [video, GT links, damage types, source item types]