Gandarewa

"It isn't only the dragons who have brought heretics into our midst, you know. Five hundred years ago, another heretical sect gained traction among the smallfolk of Ishgard. The heathens adopted the customs of the Near East, bathing themselves in perfumes brewed from strange flowers and forging idols from rare metals that they used in their bizzare and unholy rites. Naturally, the Temple Knights were quick to clamp down on the sect's activities. Its leader, a peasant who styled himself the great guru Gandarewa, fled to the next holiest place he knew--the sacred mountain of Dravania. There he supped on the blood of a dragon, and was forever changed..."

-Eustacia of The Foundation