Inner Erin seems a bit more genuine, kinda like who Erin is trying to be with her somewhat fake seeming snark and almost forced rough personality, notice how little inner Erin's facial expression only changes to the schadenfreude of her physical self. Does that mean the moral of the arc is going to be more "be yourself, not a caricature of yourself." Also, wonder if Tris is a fan of Xiang Yu.
Also Nile McMorrow, all older gamer's inner children are always constantly playing the first NES Mario (Or as in Erin's case, the SNES Mario, both because they came with their respective consoles as the defining moment of when the gamer considers they became a gamer) the game the box everyone started on came with, it's iconic and meaningful in that way, and why most archetypal gamer merch is marked with mushrooms or the like.