Sacrificed To The Vampire King (Role Play)

This is an alternate universe of my normal; but the character you would be in this mess with would be Mortis Salvatore. He is featured a lot in a few of my books. This is a dystopia world where the famous Mortis has lost everything he loved by the hands of a new governing power called the Syndicate. They killed his Queen, his children, and his family. But the men of the Syndicate were slaughtered by Mortis.
He has now isolated himself with all the residents of England becoming his ward. But many people believe there is no real peace with Mortis' darkest turn yet.
Mortis has made known to many people now that he demmands a sacrifice... every month to keep protecting everyone in England. Families get 7 days in the beginning of every month to choose and on the 8th day there's a warning, and on the 9th day his representatives take someone. But if they are faced with resistance from those are losing their child will cause the country to lose their protection from the Syndicate.