My DM says that you can only target large creatures with this spell since it can only be cast on grid intersections, thus medium creatures are immune. Is this correct?
Why does it take longer for the Assassin Prestige Class to do the death attack (3 round study) compared to the ninja and slayer talent assassinate (1 round study). Shouldn't assassins due to their namesake be better at what they do?
Can you target a worm that walks with smite evil? I was playing a paladin character and we met an evil aligned worm that walks as the final boss of the encounter. My DM told me that smite evil doesn't work on the worm that walks for some reason. Was he correct?