Psychomaster35 said:
So... Mimi lacks the range to damage a star sized body...
The profile seems to have a lack of information. Her ability to launch rubee projectiles could be about tens of meters. The only reference to the rubees in the profile seems to be "Crystal Manipulation", and it doesn't even bother to mention the rubees under standard equipment or notable attacks/techniques. There are several different moves she can do with them, one of which seems to be only melee or extended melee because she grows rubees on the four sides of her head before spinning it like a blade, while the longest range ability seems to be about tens of meters where she creates a "wave" made of rubees that flows along the floor from one side of the room to the other. That, however, is a grounded attack and probably won't be able to hit Zeus. The next best choice for range is that she can simply shoot a rubee forward, but it only seems to travel about a couple meters in front of her. Regardless of what attacks she goes for, she will have to get very close to Zeus (which is feasible considering they start 4 KM apart in Central Park and she can close that distance on the ground).
However, whatever happens, it seems she cannot be damaged by Zeus as long as she flips into 2D and/or has the barrier (even if it's not low 2-C). Zeus is supposedly 3D (although he comes from a cartoon that is 2D animated, but art style and method of portrayal are noncanonical unless otherwise stated, in which case that would usually be fourth wall breaking). The way the dimensions work in SPM is that, when it comes to characters and objects with flat (paper-like) bodies, characters and objects in the third dimension are usually intangible and invisible towards characters/objects in the second dimension, and vice versa. However, there are some flat characters who have the ability to flip between the dimensions at will. Then there are non-flat characters who have fully 3D bodies, such as Francis, who are supposedly able to interact with both the second and third dimension simultaneously. The thing with Mimi is that although she is a flatlander who is capable of dimension flipping, her attacks can still interact with the other dimension.
That's what I thought and typed until I realized... What if Zeus doesn't count as a flatlander residing in the third dimension, but instead has a completely 3D body? In that case, going to the second dimension would not protect Mimi, and Zeus would still be able to interact with 2D flatlanders. However, her wincon still lies in the barrier, which a 4-A Zeus supposedly can't dispel. But whether the barrier itself is 4-A or low 2-C is still unknown.