The initial offering from the Order of Celtic Mysteries, a new and complete invocation developed through contact over a year with the Son of the Dagda, the faery king Midírprovides the Wayfarer with a direct point to access the egregor initiated by Frater DEDI (Demon Est Deus Inversus) over a hundred years ago with the work of MacGregor Mathers, Maude Gonne, Moina Mathers and other adepti of the Order of the Golden Dawn, founded in 1888.