Permission granted by @Reiner04
Here is my personal opinion on this matter: the fundamental concepts that shape reality are not bound by the dimensional system, and this is something we all know because concepts, by their nature, are part of reality itself and encompass all possible dimensions. This is their nature. For example, a concept like Death applies to all beings in reality regardless of their level, even if they are L1A. The same applies to other concepts because their scope operates on a universal level of reality, independent of the dimensional system. This is their nature, and they inherently possess an L1A range on a universal level of reality.
I think that in this case, granting them range is better than giving them higher-dimensional existence in my view. Some have agreed with this, and matters related to concepts especially stir debate here. It seems the issue has gotten out of control. Characters that are themselves one of the fundamental concepts of reality should inherently have an L1A range.
Instead of granting higher-dimensional existence, giving full universal range (L1A) to characters that are themselves one of the concepts shaping reality seems logical to me