How I would love to see shamanistic themed gear! Imagina a sourcerer who uses geomancy and the water or air school (hard to spell names sorry). Instead of them wearing robes, I would love to see them in nature/animal themed leather or cloth armour.
Shamans have existed in many cultures before the main religions, and they were usualy the spiritual leader of a tribe, who worshipped the nature, elements of animals.
Here are some examples:
Native American shaman:
Turkic shaman:
Germanic / Celtic shaman: