Okay, so if aoe is foxed for next patch, then that would be the solution. It's in the list in red anyway.
Assuming we got #aoe working and we know we get #secondaryeffectalways with next patch, then setting a slightly larger aoe for a #secondaryeffectalways weapon that only does AN fatigue damage would work.
I'll take this up with Johan when he comes back from India.
If someone has a list of flysprites other than those in the modding manual, that would be great.
I sort of suspect that a real fireball isn't actually a sprite though - sprites are fixed animations, where as I think the fireball flight is some kind of particle effect, with lighting and so on. Seems to me it must be done differently somehow.
I took a look, but didn't find a flysprite list. There are some effect lists and such. DrPraetorious could perhaps get a list of flysprites from the game and testing those could get us a coherent, usable list. Might be worth to ask him.