The most crucial reason why the Four Heavens and Nine Sects value Bloodline Warriors is the Blood of Gods and Demons within them!
Some pure Bloods of Gods and Demons make people go insane. Because the possessors of this blood have the potential to manifest phantoms of the Three Thousand Ancient Gods and Demons from their blood, using these phantoms to amplify their powers of enlightenment.
Although the Three Thousand Ancient Gods and Demons have mostly fallen, they were beings born from the derivatives of the Three Thousand Great Dao.
Each God and Demon is essentially the favored child of a Great Dao remaining in the heavens.
If an ordinary mortal comprehends a Divine Prohibition, the power of Heaven and Earth they can wield is one; however, the power that these bloodline Divine Prohibition experts can exhibit through the phantoms of Ancient Gods and Demons is three, five, or even ten!