The bloodline will survive because Arika and Terena will get pregnant, but only that, bc the ending, at least seeing it from our perspective, is going to be horrible, the empire will become something similar to Sodom and Gomorrah and there will be no one who can stop it.
Talking about the lore, now that I have had the opportunity to play the demo I have begun to appreciate the girls' falls more, I suppose it will be much better when we have access not only to the Main events, but also to the Sub events which willl give us even more context about the girls and their corruption.
