"It's too much to think about. I, I don't think Rin would be very kind in a war environment. She spoke that she came from a war and seems to know how to handle a scary looking gun."

Which means she would be a high threat between the Chosen if a war did break out. "She's done what she can to make everyone dislike her too... that was before all of this. Now she has no one other than myself who checks up on her."