1.
Straight from the tiering page
Characters that have no dimensional limitations, and are beyond scientific definition, in the realm of metaphysics.
Basically, a being or an object which is outside and beyond all concepts of time and space. This is something completely formless, abstract, metaphysical and transcendental. The usual scale does not make sense against a beyond dimensional object. Such beings can not be affected by destruction within the dimensions of time and space, or physical matter and energy. This "space" in which there is no dimension can be the background for any dimensional space. Within such a beyond dimensional "space", a dimensional structure with any number of dimensions can be placed, because there are no restrictions regarding dimensions.
2.
The manifestation of Reinhard's Law, one that follows through with his desire of "loving everything". Through Dies Irae, every member of Reinhard's Legion is brought to his level of existence, with all of their abilities becoming conceptual in nature to their previous effects (Schreiber's Nilfheimr Fenriswolf, for instance, now ignores Causality Manipulation to move faster than his opponent, regardless of whether or not they are beyond time, space, or speed; Machina now kills concepts with his punches, and Eleonore burns concepts away
1-A beings already bypass causality, space and time, this is just redundancy
Bernkastel's magic. Basically, she can locate any world and achieve any end she wishes as long as it is not completely impossible. In theory, she is the witch with the strongest power, but that is actually not realistic, like folding a piece of paper a hundred times so that it'll reach the moon. And she folded it a hundred times.
Basically even a move high 1-B beings could use
Absolutely any other end than that, is unacceptable". When his Law is activated at the time of his death, Mercurius will reset everything if it does not end how he wants it to end, even in realms where time is nonexistent such as the Throne. While everything is resetting, Mercurius is able to change the next timeline in whatever way he likes (Such as erasing any factors leading to Hajun's rise after the events of Marie's route) and this power even allows him to bring back the Throne itself (a place where no form of time exists) after it is destroyed (ex. his fight against Reinhard) and those whose entire existences were wiped out completely with no chance of recovery (as this was able to bring back Re, Reinhard, and Marie after they died and won fighting against Hajun), albeit the butterfly effect that his changes produce is out of his control.
Again, 1-A beings are beyond all time and causality and non-time. This move is irrelevant to them
I could list more, these abilities are things dimensioned characters use.
3.
"Also, stop saying that "We cannot comprehend 1-A characters", you have no idea how Suggs that sounds."
Not an argument
"They are characters written by human beings. Ergo, they have limits, definitions, and are capable of being understood."
Which is where they fall off from 1-A standards. They are 1-A, but the fact that they are written by us means it is not 100% like how dimensional beings work. We cannot write it to be incomprehensable because if we do, what's the point of the story? That is no different from having a weaker character beat a much stronger character for the sake of plot. They are 1-A, but they are made doing dimensioned actions so we can grasp it, for the sake of plot.
4.
"Which is why I assume there are 1-As faster than other 1-As in-verse. Which is why I assume we don't rank 1-A strength as "Irrelevant" but "Outerversal", and one Outeversal can be stronger than another. And I assume this is why Ren Fuuji's Time Manipulation works on 1-As."
Again, comparing 1-A analogs to "speed" to what we consider the rules for speed is like comparing a pinecone to an apple. What we are comparing is so different and abstract, that the writers have it in a way that dimensioned beings use it. Once again, for the sake of us actually understanding it.
"And I assume the reason why 1-As are so alien and incomprehensible is why we have 1-As with relatable family dramas / highschool romances in Lucifer and I/O, respectively."
"If you think the only way to write a 1-A is doing it like H.P. Lovecraft does with the Outer Gods, that's fine, but please don't generalize all of fiction saying that all 1-As are like that, and are thus completely immeasurable and incomprehensible."
Again, if the writer truly is somehow able to write it with true 1-A abiltiies and characteristics. I would not understand it, you would not understand it, the living tribunal wouldn't understand it, literally pre-retcon beyonder wouldn't understand it. Even Cthulhu Mythos takes liberties at times. These are written with plot at the forefront, and so they take liberties that ignore 1-A tiering.
