With so many different interpretation of alternate realities and parallel universes, trying to find a common ground in all of fiction for VS Battles comparison across fictional setting is harder than ever. Everyone just use the big words like "multiverse" and "dimension" to their own liking, and there seem to be no consensus whatsoever on how we as readers should interpret at certain constructs.

But I think I've found an important relationship that may just hold its position regardless of the nature of the fictional setting. I call it the Law of Relative Complexity: A higher construct "A" would be just as complex to construct "B" as it construct "B" is to a lower construct "C". How it works is that the writer have a preconceived notion of what a "higher" reality is, therefore like all narratives, the notion should apply accordingly if consistency exists.

So let's say we have 3 constructs: Universe, Multiverse and Megaverse. Since a Universe is by definition the smallest construct in its type, it has no "smaller construct". Within a fictional setting, if a universe is defined to be 3-dimensional, a multiverse would likely be 6-dimensional, and the megaverse would most certainly be 9-dimensional. The important thing is that 6-3 = 9-6.

So if a universe is 4-dimensional, chances are a multiverse would be 8-dimensional, and the Megaverse would almost always be 12-dimensional. I think this gives a much better idea of what a megaverse is than just "a collection of multiverses".

Let me know if this does/does not apply to some fictional settings you know.

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