We all (hopefully) know how the old system for health revives worked. I don't expect to see that come back, but sometimes you need to have a certain party member alive quickly. In the heat of battle, clicking on their portrait to give them a spark of life can cost you your own life. It would be nice if we could give fallen teammates sparks of life by clicking and a second confirm click over their bodies in battle in a similar way that we open energy gates. It might slow you down a bit, but it wouldn't break you out of the heat of the battle, and thus stop immersing you in the game.
Nah, accidentally clicking on a dead person in the heat of battle is a little annoying. Have the revive button as the shield bash button while standing over them or something.