Literally never made a single one of these, probably never will.
It would be good to mention that the achievement to buff 100 people with incence is bugged and doesnt progress. I wasted like 30 incenses on legion events, where i buffed entire group for this very purpose, only to find out progress bar still says 0.
I made the one with fire res for the capstone boss, but else im ignoring them.
Neat... I've yet to make one of these.