Protocol are the rules and manners that guide the Blood .
It determines how every rank is to be addressed, how to handle guests, both welcome and unwelcome, and most importantly how to keep members of the Warlord Prince caste from potentially harming those around him. Protocol is what helps the Queens keep control of their courts and is the delicate system of checks and balances that keep the Blood the ruling but respected caste, although it was largely discarded by Terreille until after the Witch Storms that cleansed the land from Dorothea and Hekatah.
Rule One: Honor, Cherish, and Protect
Rule Two: Serve
Rule Three: Obey
Often times, the males of the Dark Court will sidestep or even ignore the third rule entirely when it comes to fulfilling the first two rules.