[He is quiet for a moment, thinking about how he wants to explain. His eyes don't leave Sasuke, though.]

No, not where I'm from.

Pure-blooded vampires who have lived a long time are more powerful than humans who have been changed. They have the Kiss of the Nobility. Usually, a bite from them will turn a human into a vampire. Anything else, and the probability is higher the human will become a vampire's zombie. A thrall.