The Gnoll Stone (Cefn Hirfynydd) is part of a Celtic wheel cross. It shows a Celtic priest, in a short pleated kilt, with his hands raised in prayer. It represents Christian tradition brought to Wales by monks from Ireland.
It is unlikely that females could become shaman until after they passed the age of menstruation. Depictions of female shamans, identified by pendant labia, are rare. This female shaman is found in Big Petroglyph Canyon, CA.