Can you use weapon master for Flame Jet/Innate Attack(Beam)?

[Anthony]

Originally Posted by malloyd

Custom pretty clearly means custom - it's entirely GM's option what it can and cannot allow, not a set of rules. And power items are explicitly for spell casting, so if ST35 only guy really wants one, who cares? He can't use it for anything at all anyway. Though I suppose a generous GM might let him use it to recharge magically drained fatigue or something.

I wouldn't have any issues with power items that are usable for extra effort, cinematic skills, or imbuements, though most of those are moot in DFRPG.