Luneskon

Luneskon was a female gnoll and the High Shaman of the Moonsteeth gnoll tribe of Rootgarden Marsh. In 812 PD, she managed to twist and tangle one of the arcane ley lines in the center of the marsh, ceasing the function of all arcane magic within a radius of one hundred miles.

So far, Luneskon has not appeared nor been mentioned onstream.