4 Realms of Immaterial World

In the grand scheme these represent levels 28-31 of the 31 Levels of Existence, where they are also called the The Immaterial World (arupa-loka): (31)Neither-perception-nor-non-perception (nevasaasaatanupaga deva) The inhabitants of these realms are possessed entirely of mind. Having no physical body, they are unable to hear Dhamma teachings. Fourth formless jhana (30)Nothingness (akitanupaga deva) Third formless jhana (29)Infinite Consciousness (vi