This week’s Patch 11.2 PTR build adds a cosmetic weapon exclusive to Priests! The Holy Priest artifact from Legion is back in the form of 
T’uure, Remnant of the Naaru, a One-Hand Mace cosmetic limited to the Priest class.
Currently, we do not have any source for the cosmetic, but it is possible it will be available through a Priest-only questline in K’aresh, the new zone of 11.2.
Weapon Model
Here’s what the mace looks like in the game:
