o_o

It's... Not a natural ability? It was given to her through surgery? o_o

If you think that any character is undefeatable, you are sorely mistaken. Every character can be killed. Ra is no exception - even if she was fighting, it is not difficult to kill her. I don't see how I'm "bending logic" at all. She is /not that powerful/. She is also certainly not a Mary Sue. o_o

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o_______o

That makes no sense. It isn't impossible to be immune to genjutsu, and your follow up to that statement does nothing to back up your claim. o_o