Dragon King: Back for Blood

Three years ago men came to the Rojas house at night and killed everyone in it. They tracked Emiliano down and put a bullet through his heart, and that should have been the end of the family. He comes back with another heart in his chest, the Dragon Heart, and starts pulling the massacre apart from the bottom. The trail runs through the Celestial Brotherhood, past the King of the Northern Desert, into the old families and the men they hire for this kind of work. He makes allies where he can, gets treatment for the people of his who survived, and takes over what the guilty were holding. Payment comes due one by one. What he does not get is quiet, because taking the top of that structure puts him where the next fight starts.