Ranking List of All Heavens

Is there a clear class division among the countless worlds? If so, is it as simple as what the world seems to think? Is the world of martial arts really the world of martial arts? Is the technological universe really the devil universe? Is all of this really that simple? Let me peel away the layers of fog and show you the secrets deep in the heavens and worlds๛ก(ｰ̀ωｰ́ก)