Oooh, St. Gregory of Nissa, never deemed a heretic, so I'm thinking he's on the right track with the idea that a God of Love could allow none of his creation to perish in hell; therefore, hell isn't the eternal lake of fire most creeds hold it to be. If I got that wrong, please correct me. Your book sounds cool!
RE: Epecstasy - to go out of oneself endlessly into Love, for there is no end to the journey into Love without measure