Well, that's a big ol' crock of horseshit right there.
Well then...
Can you withstand this in your physical form?Wha...?Your weaknesses have been thoroughly researched by now.I've given you a specially treated hemolysis drug. How does it taste?It's the year XXXX.How long do you vampires plan to keep living in the 14th century?With this you're temporarily no different from an ordinary girl.Your strength is tied to blood. That is your curse.So destroying that blood works out for you, right?