This is the way I'm with my guild, and where I have a good relationship with my fellow members. I've found the bangle is nice for pugs. It's useful when a tail swipe occurs when people are in shit for too much, weaker healer than I'm use too, and a chaotic air phase.
The Healer trinkets are quite disappointing for a P1. I still use Essence of Martyr + Rev Gem as my preferred. The only thing that is changing is Gem for Eye of Gruul (or Blue Dragon on Nightbane) or Eye of Gruul (or Mag garbage). Sure there are Bangle and Warp-Scarab Brooch, however neither one is especially powerful.
They can be replaced, but you'll still have to meet the requirements for expertise due to the fact that the two offset legs as well as the 5 legs do not have 22 years of expertise. The majority of pallys agree that we'll still carry them around for some time.
If you're carrying all three, you can remove the pants. However, it is recommended to keep the pants to use as a transition piece for when you are moving into the p3. It's not entirely clear how non-humans respond to this. Maybe they don’t have to take them off all at all.
The healing mace "Trauma" for my resto shaman .... seeing the screen turn green and a million little heals going out .... it was my thing.
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