I am going to write a piece on a version in my opinion of what the lowest level astral plane is
The lowest astral plane according to some called "hell" or an astral cemetary which is referred to as a subdivision of our current plane that we are on right now it looks the same only there is an ether look in the air which i have seen in my dreams as a dense fog all around
there are inhabitants in this subdivision where there are astral "shells" so to say that there are people but they have no consciousness they are essentially husks of what used to be a human walking around in a daze.
To these entities they believe they are actually blended and one with the lowest of earthly life for example: drugs,gamblings, addictions but they cannot participate in any of these activities so therefore they must sit there and watch and be tormented by their desires that they once had on this plane.
Although that some entities may have such desires which torment them some of these lowly examples of earthly life do disgust some entities to a point of pushing it in the opposite direction
and it may be possible for the entity to leave such a place because lets take the idea of "hell" it is a place where you hear about being burned forever and ever where in my studies the burning is actually your own flesh desires and this plane serves as a purgatory that you are stuck in until your desires are "burned out" so to say
so from my studies