The ninth death

There is a society where everyone is sorted out into nine different categories of death rankings. 1 being the most weak and 9 being the most powerful, so far the most powerful rank is death 8 because nobody has with the ninth rank. Until now, 17 year old Rayne is the first person to ever gain the rank of death 9 making him the most powerful ranking death. Nobody ever in this society has received the rank of death nine not even the most powerful of people have only gotten rank 8 at best. So now let's see how society will function knowing the ninth death walks upon them.