[Boron]

10 damage no strength + 2d6 oe vs. 8 protection x 0,5 because of -50% CR ??? + 2d6 oe should give you then average damage of roughly estimated 6-7 per hit .

Devils are size 3 iirc so with area 1 attack you should hit 2 devils at once .


So it could be a bit bad luck with random rolls as well .
How many rounds did you shoot at them ? Did you ground the devils via storm ?