Priory of Yin

located throughout the shinobi world, it is an international fraternal and religious organization founded at the beginning of Sargon's development. The current leader of this organization is Zōu Shì. Originally it was intended to be modeled after and associated with the ancient arts but under the leadership of Sargon, P.O.Y was reorganized around the Law of Duality, as its central religious principle. This Law—expressed as “As below, as above and as above, as below”. Similar to many secret organizations, P.O.Y. membership is based on an initiatory system with a series of degree ceremonies that use ritual drama to establish fraternal bonds and impart spiritual and philosophical teachings or so it has been said.

History
The international organization was presumed to be founded in The Isle of the Blooming Flowers over three hundred years ago by one of Asu’s co-conspirators, Kyoshiro Tokisada. Asu required that the Priory of Yin be registered with the local government; although the statutes and the registration documents are dated. This first priory did not teach any spiritual practices per se (except for basic "banishing" rituals and meditation), but was rather a philosophical and metaphysical teaching order. It was called "the Outer Order" or "First Order" and for four years the P.O.Y. existed only in this order. The "Inner Order", which became active in the last century, was the circle of adepts who had completed the entire course of study for the Outer Order. This group eventually became known as the Second Order. The P.O.Y. also teaches its members to solely utilize the Yin Release.