I just completed this group and am currently farming endgame dungeons (cleared all 5 mans). I found one resto, four enhanc to work really well. Around BRD is when I dedicated a single enhanc to be tank, equipped a shield and have him use rockbiter and earthshock while the others use frost shock and WF. He holds things surprisingly well tbh. It was probably one of my fav comps to level. I’ve done a priest and 4 warlocks and pally/feral/3 rogues up to 60 for comparison. I’m slowly gearing them out for ele but continuing to run as enhanc is really relaxing atm. You have so much utility, all the buffs in the world and many battle rezzes!