I just recently switched to Discipline and I really like it. Usually was healing either as Holy or as Shaman/Monk.
I still have three questions:
1. How to properly use Halo? That skill is totally amazing when there are a ton of adds and you can place Atonement on the entire group. Incredible healing potential. But... how to use it? In all the dungeons the mobs are so cluttered that it is incredibly hard to use it and not pull mobs that are not yet engaged in battle. Unfortunately I managed to random pull mobs without wanting to... even from places that seemed to be out of sight.
2. How to deal with big damage spikes? Haven't found a counter for them yet, e.g. when a tank has a ton of adds on him and gets a lot of burst damage. With Atonement alone it seems impossible to heal. Use Penance as heal directly on him instead on enemies? Sure I can cast Pain Surpression or the empowered Shield over and over but this doesn't sound like a solution to that problem.
3. How to AoE? Just place SWP on every enemy and then Smite?
Thanks! I very much enjoy Disc right now. Haven't done Mythics yet and I am a bit concerned on how good I will be able to heal them...