Realm is a catch all term for the places that spaces that exist in the Ethereal. The Center of this is the Bi-Prime realms of Earth and Water. Other realms of import is the realm of shadows, the realm of fire, the lost realm of motion, and the realm of light.

Each realm follows the laws of the Ethereal but have a different prime expression, this means that while each realm is truly unique natives of any realm may live in another with no innate danger to their well being though hazards may exist from the expression of each realm.