If disc is the damage mitigation class, please give us a way to shield the entire raid. No, DA doesn't count. I mean a real shield. PW: Shield Group anyone?

We still like the idea of PW:Barrier. It wasn't that the spell was inherently unbalanceable. We just thought we would have to devote a lot of effort to making it work, and given that we were in the middle of a patch with lots of changes, we thought we should focus on more critical matters.