The hematoi descend from the unions of gods and mortals, and the children of two hematoi pure bloods have godlike powers. Children of hematoi and mortals--well, not so much. Half-bloods only have two options: become trai...The hematoi descend from the unions of gods and mortals, and the children of two hematoi pure bloods have godlike powers. Children of hematoi and mortals--well, not so much. Half-bloods only have two options: become trained sentinels who hunt and kill daimons or become servants in the homes of the pures.