The next night, Lev begins Irina's training regimen, including running, physical examination, heat tolerance, G-force tolerance, and parachute training. However, during the parachute training, Lev discovers that Irina is afraid of heights. He also learns that vampires don't need to drink blood but enjoy the taste, though drinking human blood is a great taboo to them and they drink milk instead as a substitute. But during the Great Plague, vampires were made the scapegoats of the disease, which is where all of their negative stereotypes stemmed from...