Well, first of all, you have to be at least two size classes larger, they get a fortitude save to downgrade it to 1d6, you have to pin them and remove their clothes... Frankly, it'd only be a reasonable method of torturing a prisoner. In which case, what the hell, go for it.
And also, Hunter- What did you mean by Half-Drow? I mean, are we talking an Elf who calls people his brother, or...?