For millenia, the deathcult believed above all to the purity of blood as the ground for the justice of their dominion. Blood was passed down, blood was passed on - like an inheritance - one had good or bad blood, and this determined one’s total life outcomes. It follows that the purest blood of all should rule, such blood was the best by pedigree and deserved its rightful place atop the social-genealogical structure or tree.