6 decades books

hundreds of years ago there was an empire that ruled the continent. that empire used sacred rituals done with blood to gain the strength of their ancestors and cemented the royal family with the blood of a legendary being as its eternal ruler. that empire fell and so with it did their flying cities and miracles of magic and technology. Aodd heir to a family with a dodgy past dealing as the hunting dogs of the emperor must strive for the betterment of his territory and the world. working towards claiming what is rightfully his. the boy must also grapple with the changes brought on by the blood rituals as he progresses on his journey to strength.