So I tried Chain Lightning, Barrier, Fade Cloak and Stasis Field last night. I found that Fade Cloak, while not a true escape, allows me to wade into packs and cast Stasis Field. It is especially useful against the Red Templar Commander and Demon Commander. I had considered dropping Chain Lightning for Fade Step but find it far too useful against enemies that are just outside of my Stasis Field.
I will admit that I originally found Fade Cloak worthless but since you can use it to recover from a knockdown, cast Barrier/Stasis Field without being interrupted, or nuke an enemy it has certainly proven useful. My play style is far more aggressive now and tend to stay much closer to enemies so the 2s duration is just long enough to reposition and pop Stasis Field or Barrier. The upgrade for 1,000% damage isn't really needed but it certainly has its uses, so if you need to save a point don't feel bad about not upgrading it.
Anyway, my previous build was Chain Lightning, Barrier, Fade Step and Energy Barrage and while definitely effective it was really just DPS or die. My kill count was much higher with this build though but locking down a boss/elite enemy for 10s is much better for the team. I do miss Fade Step simply for the mobility but with Barrier, Guardian Spirit, Fade Step, and Stasis Field my survivability has actually increased. My new favorite is to Barrier up, Fade Cloak and head towards the objective, cast Stasis Field, and recover the object all without getting touched. While not needed in group play is has proven invaluable with random players who like to move far enough forward to activate the objective while the rest of the team is clearing a treasure room.