It was mostly as August expected.
The emblems were indeed involved in a scheme. It wasn't that hard to figure it out just by knowing how the noble dragons felt about commoners.
Every single emblem would be and could be bound with mana. The matter about dropping blood into it was only mentioned to the common geniuses who entered the heir wars through the elimination around.
As for what it was for?
It would provide the noble clans with all of the information on the emblem. The genius' blood lineage, power, talent, laws, techniques, and bodily constitution would all be transmitted to those who had access to it.
With that kind of information, the noble clan geniuses wouldn't struggle against any of them. It was already enough to remove the chance for a common genius to win the heir wars.
However, that wasn't all.