Ok, Grease. If you're a ranged guy, is it best to put grease down in front of the enemy (like in a hallway), or ON the enemy. I *think* I understand grease, the intricate booger that it is.
If they're standing ON the grease ON MY TURN, then they must make the Reflex save or fall. So this only works if you cast it on them or if they foolishly end their turn in the grease.
If they pass through the grease on their turn, they must make a low DC balance check. Failure means they can't walk through it, and a low failure means they fall.
Question for this last bit: If they fail the balance check, does their movement end right then (thus putting them in the grease for my turn and a reflex save), or can they just turn around and leave it? So far, the enemies can just step out of the grease with no penalty.
I'm starting to wonder if I shouldn't switch this power out. The best uses I found is to put it on the enemies weapon, so they must make a save every round, or to put it on approaching enemies so they usually fall down, though they will be up and out of the grease next round.