"A secret symbol left by Caryll, runesmith of Byrgenwerth.
Several runes contain a nuance of "Blood," including the rune of "Corruption," associated with the oath of the corrupt.Pledgers to this oath are Cainhurst Vilebloods, hunters of blood who find dregs for their Queen in coldblood, particularly in that of hunters.
Yet the corrupt are heretics in the eyes of the Church, and thus subject to the wrath of the Executioners"