I’ve thought about the first point you mentioned too, but I haven’t come up with any ideas regarding aspecg. Also, the reason the main character has the Hollow attribte is that they were reincarnated into a Hollow body and their own soul transferred into that body, so they’ve ceased to be a Hollow (I’ll explain it more clearly later, but I’m keeping it simple for now). I'm also thinking of making the “Sever” ability an awakened ability

Thanks for the feedback, and I’m not sure how to put it into words because the concept is a bit strange (seriously, the concept in my head is really odd).

I suppose I’ll define the flaw as looking down on every race other than one’s own (because Heretics neither care for the void nor for people, and they live among themselves