05-17-2012, 11:01 PM
I have got caught doing this too, but I seem to recall Diablo, Diablo II and every other Hack and Slash game I have played operating the same. Move/Primary Skill/Interract on the same button makes the most sense. I can see a justification for a toggle key that makes it Move-only, but I am quite happy having Primary Skill on the mouse. These games are called click-fests for a reason.
May the wind pick up your heels and your sword strike true.