I came here to try and comment about 1-A and those levels of power
Imagine uncountable infinity. 1,2,3,4...∞
Is the normal type but UI is 0.00...(∞ zeroes) 1, 0.00(∞ zeroes) 2 and so on til we reach 1, and then we get to infinity in a beyond infinite amount of time.
Using the mathematical theories that vsbattles uses dimensions are an uncountable infinity amount of times greater than each other. Now it is damn hard to prove that something is on a higher dimension than something, but it is possible.
To get to low 1-C you need to transcend space-time as that would be 4D and you need to prove that it is actual infninite transcendce... I guess. A good example of proof is viewing that 4-D reality as fiction or a dream. Statements about the existence of mathematical dimensions would probably be good.
Now how to get to the next level? Have each plane of existence transcend each other the same way that one transcends space time. A hierarchy of infninite universes/some planes of existence or whatever each viewing each other as fiction (assuming low 1-C is already a thing) would give you a juicy high 1-B. Basically you need infinite mathematical dimensions.
But here's where the annoying part comes in and it is basically transcending transcendence.
To get to low 1-A you need to have something be as strong as an uncountable infinity of dimensions. Or transcend high 1-B.
To get to 1-A you need to be above the high 1-B hierarchy and I'm not talking number wise, you need something that, even if you took an uncountable infinity of uncountable infinities of high 1-B, aka higher degrees and layers of 1-A, you'd still not reach whatever plane you have there. That's annoying ik.
The same goes on for the rest of the hierarchies and stuff until one day you accidentally breach tier 0. You can then just keep stacking it.