Uh, what's the normal rules for firing into melee?  Is there normally an extra penalty for firing at two creatures grappling each other, beyond the normal penalty?  For this game, there's no extra penalty for firing at a grappling creature, but the normal rules for firing into melee apply.<br/><br/>And I don't think there's any special rules for attacking a grappling creature (aside from the target losing its dex bonus to AC, I believe), but if there are, they also don't apply for this game.