There is a worldwide Luciferian system and Ivies are at the center of it. The secret societies' purpose is to select out who is worthy of being introduced to "Lucifer". Lucifer isn't a guy, though. Think "Limitless" or "Dune".
They are the authors of "Their Satanic Majesties Request", "Goat's Head Soup", and "Sympathy for the Devil" singing about their band of fellow travelers getting away with killing the Kennedys.