The point is that by Grants own claims CAS and Mandrakk cannot exist in the Overvod
Except my point is that he didn't say they
couldn't. He said they
didn't which is accurate.
To reach it one would have to transcend duality because the realm itself exist transcendent duality. A place existing beyond something requires one to go beyond that thing to exist there.
Except duality is not a '
thing' that Overvoid is 'beyond.' It is an
attribute that Overvoid specifically itself
does not have. This does not automatically extend to any being who enters the void. The Source Wall was destroyed and the Multiverse didn't blink out of existence, and at one point the Green Lanterns were literally holding back the Overvoid with their rings. Clearly, interacting with the Overvoid is not as simple as you claim, and I do not see a valid case for it being a logical necessity.
Yes it does because it was a byproduct of magic. Regularly they wouldn’t be able to exist there.
This does not change that it is a direct refutation to your assertion. You do not need to be 5-D to enter the Fifth Dimension. Shazam and GL entered the Fifth Dimension with magic, despite
not being 5-D and were perceived as "flat" by it's native inhabitants. No matter what method was used to accomplish this, it does not alter the fundamental fact that
they entered the Fifth Dimension without being 5-D. Which means your assertion is wrong, and your analogy is wrong by extension.
Also how other writes treat higher dimensions is not relevant as I’m only trying to apply an abilities addition to CAS and Mandrakk as they are presented in Grant Morrison’s cosmology.
It is absolutely relevant, because your argument was not that "you need to be higher dimensional to enter higher dimension
in Morrison's cosmology" you said that it was a
logical necessity. Which means any counter-example, no matter which writer it is from, disproves this. Your assertion that you logically
must have X quality to enter a realm with X quality can be proven false with numerous counter-examples from DC itself.
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To recap. You have no evidence from the comics that suggests transduality is a necessity for entering the void. The only evidence you had in your CRT which even
sort of alluded to this also expressly stated that CAS and Mandrakk
were not transdual, so you have now dismissed it as evidence.
Rather than saying this is specifically true in the comics, you shifted to arguing that it was a
logical necessity to be transdual if you enter a transdual realm. For several comments you did not explain this other than analogizing to higher-dimensional spaces, and the claim that you must be higher-dimensional to enter them. I provided several instances in DC where this was shown to be false, including one by Grant.
Any one of these would suffice in proving it is not a logical necessity, since a logical necessity is always true. Now you have moved the goalposts again, saying it only matters if it's in Grant's cosmology, which means it isn't a logical necessity, but a characteristic of Grant's cosmology. No evidence for this, once again, and Grant himself said it wasn't true.