if you have to spam this then your group is failing at killing bosses correctly., just sayingStill too much energy. If you have to spam these skills, which you do then energy goes down in a minute or two. Energy costs should be cut a lot because sigils forthe most part suck and regens don't even begin to cut it.
to the op, cg, that is an accomplishment. I'm still hovering at the 750 775 mark. keep up the good work, this is my favorite heal skill in our arsenal at the moment.