Sorry, I assumed that everyone plays a pally.
We (pallys) get mana back from direct heals and since preists use power reduction a lot, I sometimes go oom on my pally if they are healing me.
ES also reduces spell interruption by 30%. It's a nice, free HoT with 8 charges. ES ~= Power Shield except you don't have to keep casting it all the time.
Funny, worked quite nice yesterday in H HoR when everyone bunched up in the corner for the first boss.
Use to. I can drop 4 at a time and now they have a bar with different sets. I can switch out a totem in a bar set in about 3 seconds and it take 1 seconds to recall them. Not a hassle at all.
Oh yeah, forget about cleansing totem as mentioned by another poster. Makes encounters with lots of diseases and posions almost trival. On the 2nd boss in H AN, I don't have to worry about cleansing off leech life: I just drop the totem and it's done.