Water or Blood
This newly (re-)founded order acts as personal enforcers of the Emperor, to enact his will, and to persecute and destroy all threats to the empire.
They have sole license to learn and use Blood Magic, granted by the New Emperor.
There exist rumors that those in command of these new Avowed have been around for a long time practicing Blood Magic in the shadows, before the Emperor brought them into the light of his reign. While unconfirmed these rumors seem to be true.
The creation of this order was instrumental in the destruction of another, the Sovengers Opposed to the new Emperor fought him at every turn and thus insured their destruction at his hands and then eventually their complete annihilation and replacement by the Blood Dragons.