I'm not sure I understand, but

if Claire were to die (as of chapter 74), it would be very bad for the situation of the survivors. The ranks of the survivors are

Miria and Claire=aces; Helen and Deneve=elite; Cynthia, Tabetha, Yuma=average

Speaking of voice acting, I really don't like the voices for many of the characters introduced in episode 18. Of course, I had concieved their voices in my head before hearing them, so...