I was playing my neglected Night Blade class earlier and got my first shadow skill morph. I am curious how others are using this skill. I took the one that raises the critical chance and the spell resist. So far when I use it right before ambush I have noticed that on some targets particularly casters a greater likely hood for a one shot kill. I also noticed that if I cast when I see the target loading up on a strong attack it stops that attack from occurring. This combined with sparks seems to greatly add to damage mitigation.
How do you use this skill line? How did it change as you leveled up?