I was never very good with Monster Lure, but there is not a chance in hell I'm taking on the Hydra or the secret passage without it... bad enough with melee toons. I will see how useful Storm Surge is later on and just respec if I find I'm killing everything before they can even reach me.
Two of the main things I fear are the horse-women things and the Machae in Act4, they are so bloody quick it might actually be hard to not get surrounded by them. With little armour it will probably get a bit hairy now and then... but that is always more fun to be honest.
Thing is, I'm not using squall till later on(as I said, makes things to easy) so some defensive abilities will be needed in Normal.