Re: This Human doesn't smell threatening
That's a good point. But the following sentence says that it "allows him to blend seamlessly into an appropriate background," which is the effect I was going for. The character would smell like part of the natural environment, as if he belonged.
But even without that, applying the Only When Not Attacking (-1/2) limitation should apply. It's hard to seem like a non-predator while attacking.
Ah! Thanks. I had forgotten that. In my own campaign, I'd probably allow single-sense invisiblity to be bought straight, at half the normal cost. But that's just me.