How do Blood Bonds work?
(From the book) One of the most wondrous and terrible properties of Kindred vitae is its ability to enslave nearly any being who drinks of it three times. Each sip of a particular Kindred’s blood gives the Kindred in question a greater emotional hold over the drinker. If a being drinks three times, on three separate nights, from the same Kindred, she falls victim to a state known as the blood bond. A vampire who holds a blood bond over another being is said to be that victim’s regnant, while the being subordinate to the bond is called the thrall. Put simply, blood bond is one of the most potent emotional sensations known. A blood bound victim is absolutely devoted to her regnant and will do nearly anything for him. Even the most potent uses of Dominate cannot overcome the thrall’s feelings for her regnant; only true love stands a chance against the bond, and even that is not a sure thing. The blood bond is most commonly used to ensnare mortals and ghouls, but Kindred can bind each othe