Setianism comprises magical, philosophical and religious concepts related to the ancient Egyptian god Set. or Set, in KV34 Set (also Setekh, Seth, etc) was originally a god of strength, war, storms, foreign lands (and foreigners) and deserts in Egyptian mythology. ...
The religious group that founded modern Setianism is the Temple of Set. The Temple of Set is an occult society and (in the USA) a recognized religion. ...
promotes a philosophy of individualism and self-exploration/mastery
use Initiation as a primary tool
have a priesthood or clergy
keep private ‘members only’ information out of the public sphere
employ admission policies that ensure only dedicated applicants are admitted to the organization
There is also a type of Gnosticism called Sethianism (after the third child of Adam and Eve of the Christian Book of Genesis), unrelated to Setianism. The Baphomet, symbol of some Left-Hand Path religions. ... Gnosticism is a blanket term for various mostly dualistic mystical religions and sects most prominent in the first few centuries A.D. General characteristics The word gnosticism comes from the Greek word for knowledge, gnosis (γνῶσις), referring to the idea that there is special esoteric knowledge that only a few... This article is about Genesis, the first book of the Hebrew Bible. ...
Setianism is just one more likeness of elementary ideas derived from ancient mythology (egyptian) where humans try to emulate the "gods" and deities (which are merely personifications of attitude).
Setians encourage each other to succumb to the fantasies of their leaders whom they woo and charm.
This "knowing" alleged by "divine" Setians (the TS priesthood) is based on the hallucinations, misinterpretations, and self-deceit of those who initially formed the TS and its dogma.